content: package com.ruoyi.common.utils.poi;
  
  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.lang.reflect.Field;
  import java.lang.reflect.Method;
  import java.lang.reflect.ParameterizedType;
  import java.math.BigDecimal;
  import java.text.DecimalFormat;
  import java.time.LocalDate;
  import java.time.LocalDateTime;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Comparator;
  import java.util.Date;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  import java.util.UUID;
  import java.util.stream.Collectors;
  import javax.servlet.http.HttpServletResponse;
  import org.apache.commons.lang3.ArrayUtils;
  import org.apache.commons.lang3.RegExUtils;
  import org.apache.commons.lang3.reflect.FieldUtils;
  import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
  import org.apache.poi.hssf.usermodel.HSSFPicture;
  import org.apache.poi.hssf.usermodel.HSSFPictureData;
  import org.apache.poi.hssf.usermodel.HSSFShape;
  import org.apache.poi.hssf.usermodel.HSSFSheet;
  import org.apache.poi.hssf.usermodel.HSSFWorkbook;
  import org.apache.poi.ooxml.POIXMLDocumentPart;
  import org.apache.poi.ss.usermodel.BorderStyle;
  import org.apache.poi.ss.usermodel.Cell;
  import org.apache.poi.ss.usermodel.CellStyle;
  import org.apache.poi.ss.usermodel.CellType;
  import org.apache.poi.ss.usermodel.ClientAnchor;
  import org.apache.poi.ss.usermodel.DataFormat;
  import org.apache.poi.ss.usermodel.DataValidation;
  import org.apache.poi.ss.usermodel.DataValidationConstraint;
  import org.apache.poi.ss.usermodel.DataValidationHelper;
  import org.apache.poi.ss.usermodel.DateUtil;
  import org.apache.poi.ss.usermodel.Drawing;
  import org.apache.poi.ss.usermodel.FillPatternType;
  import org.apache.poi.ss.usermodel.Font;
  import org.apache.poi.ss.usermodel.HorizontalAlignment;
  import org.apache.poi.ss.usermodel.IndexedColors;
  import org.apache.poi.ss.usermodel.Name;
  import org.apache.poi.ss.usermodel.PictureData;
  import org.apache.poi.ss.usermodel.Row;
  import org.apache.poi.ss.usermodel.Sheet;
  import org.apache.poi.ss.usermodel.VerticalAlignment;
  import org.apache.poi.ss.usermodel.Workbook;
  import org.apache.poi.ss.usermodel.WorkbookFactory;
  import org.apache.poi.ss.util.CellRangeAddress;
  import org.apache.poi.ss.util.CellRangeAddressList;
  import org.apache.poi.util.IOUtils;
  import org.apache.poi.xssf.streaming.SXSSFWorkbook;
  import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
  import org.apache.poi.xssf.usermodel.XSSFDataValidation;
  import org.apache.poi.xssf.usermodel.XSSFDrawing;
  import org.apache.poi.xssf.usermodel.XSSFPicture;
  import org.apache.poi.xssf.usermodel.XSSFShape;
  import org.apache.poi.xssf.usermodel.XSSFSheet;
  import org.apache.poi.xssf.usermodel.XSSFWorkbook;
  import org.openxmlformats.schemas.drawingml.x2006.spreadsheetDrawing.CTMarker;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import com.ruoyi.common.annotation.Excel;
  import com.ruoyi.common.annotation.Excel.ColumnType;
  import com.ruoyi.common.annotation.Excel.Type;
  import com.ruoyi.common.annotation.Excels;
  import com.ruoyi.common.config.RuoYiConfig;
  import com.ruoyi.common.core.domain.AjaxResult;
  import com.ruoyi.common.core.text.Convert;
  import com.ruoyi.common.exception.UtilException;
  import com.ruoyi.common.utils.DateUtils;
  import com.ruoyi.common.utils.DictUtils;
  import com.ruoyi.common.utils.StringUtils;
  import com.ruoyi.common.utils.file.FileTypeUtils;
  import com.ruoyi.common.utils.file.FileUtils;
  import com.ruoyi.common.utils.file.ImageUtils;
  import com.ruoyi.common.utils.reflect.ReflectUtils;
  
  /**
   * Excel相关处理
   * 
   * @author ruoyi
   */
  public class ExcelUtil<T>
  {
      private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
  
      public static final String FORMULA_REGEX_STR = "=|-|\\+|@";
  
      public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
  
      /**
       * 用于dictType属性数据存储，避免重复查缓存
       */
      public Map<String, String> sysDictMap = new HashMap<String, String>();
  
      /**
       * Excel sheet最大行数，默认65536
       */
      public static final int sheetSize = 65536;
  
      /**
       * 工作表名称
       */
      private String sheetName;
  
      /**
       * 导出类型（EXPORT:导出数据；IMPORT：导入模板）
       */
      private Type type;
  
      /**
       * 工作薄对象
       */
      private Workbook wb;
  
      /**
       * 工作表对象
       */
      private Sheet sheet;
  
      /**
       * 样式列表
       */
      private Map<String, CellStyle> styles;
  
      /**
       * 导入导出数据列表
       */
      private List<T> list;
  
      /**
       * 注解列表
       */
      private List<Object[]> fields;
  
      /**
       * 当前行号
       */
      private int rownum;
  
      /**
       * 标题
       */
      private String title;
  
      /**
       * 最大高度
       */
      private short maxHeight;
  
      /**
       * 合并后最后行数
       */
      private int subMergedLastRowNum = 0;
  
      /**
       * 合并后开始行数
       */
      private int subMergedFirstRowNum = 1;
  
      /**
       * 对象的子列表方法
       */
      private Method subMethod;
  
      /**
       * 对象的子列表属性
       */
      private List<Field> subFields;
  
      /**
       * 统计列表
       */
      private Map<Integer, Double> statistics = new HashMap<Integer, Double>();
  
      /**
       * 数字格式
       */
      private static final DecimalFormat DOUBLE_FORMAT = new DecimalFormat("######0.00");
  
      /**
       * 实体对象
       */
      public Class<T> clazz;
  
      /**
       * 需要显示列属性
       */
      public String[] includeFields;
  
      /**
       * 需要排除列属性
       */
      public String[] excludeFields;
  
      public ExcelUtil(Class<T> clazz)
      {
          this.clazz = clazz;
      }
  
      /**
       * 仅在Excel中显示列属性
       *
       * @param fields 列属性名 示例[单个"name"/多个"id","name"]
       */
      public void showColumn(String... fields)
      {
          this.includeFields = fields;
      }
  
      /**
       * 隐藏Excel中列属性
       *
       * @param fields 列属性名 示例[单个"name"/多个"id","name"]
       */
      public void hideColumn(String... fields)
      {
          this.excludeFields = fields;
      }
  
      public void init(List<T> list, String sheetName, String title, Type type)
      {
          if (list == null)
          {
              list = new ArrayList<T>();
          }
          this.list = list;
          this.sheetName = sheetName;
          this.type = type;
          this.title = title;
          createExcelField();
          createWorkbook();
          createTitle();
          createSubHead();
      }
  
      /**
       * 创建excel第一行标题
       */
      public void createTitle()
      {
          if (StringUtils.isNotEmpty(title))
          {
              int titleLastCol = this.fields.size() - 1;
              if (isSubList())
              {
                  titleLastCol = titleLastCol + subFields.size() - 1;
              }
              Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0);
              titleRow.setHeightInPoints(30);
              Cell titleCell = titleRow.createCell(0);
              titleCell.setCellStyle(styles.get("title"));
              titleCell.setCellValue(title);
              sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), 0, titleLastCol));
          }
      }
  
      /**
       * 创建对象的子列表名称
       */
      public void createSubHead()
      {
          if (isSubList())
          {
              Row subRow = sheet.createRow(rownum);
              int column = 0;
              int subFieldSize = subFields != null ? subFields.size() : 0;
              for (Object[] objects : fields)
              {
                  Field field = (Field) objects[0];
                  Excel attr = (Excel) objects[1];
                  if (Collection.class.isAssignableFrom(field.getType()))
                  {
                      Cell cell = subRow.createCell(column);
                      cell.setCellValue(attr.name());
                      cell.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
                      if (subFieldSize > 1)
                      {
                          CellRangeAddress cellAddress = new CellRangeAddress(rownum, rownum, column, column + subFieldSize - 1);
                          sheet.addMergedRegion(cellAddress);
                      }
                      column += subFieldSize;
                  }
                  else
                  {
                      Cell cell = subRow.createCell(column++);
                      cell.setCellValue(attr.name());
                      cell.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
                  }
              }
              rownum++;
          }
      }
  
      /**
       * 对excel表单默认第一个索引名转换成list
       * 
       * @param is 输入流
       * @return 转换后集合
       */
      public List<T> importExcel(InputStream is)
      {
          return importExcel(is, 0);
      }
  
      /**
       * 对excel表单默认第一个索引名转换成list
       * 
       * @param is 输入流
       * @param titleNum 标题占用行数
       * @return 转换后集合
       */
      public List<T> importExcel(InputStream is, int titleNum)
      {
          List<T> list = null;
          try
          {
              list = importExcel(StringUtils.EMPTY, is, titleNum);
          }
          catch (Exception e)
          {
              log.error("导入Excel异常{}", e.getMessage());
              throw new UtilException(e.getMessage());
          }
          finally
          {
              IOUtils.closeQuietly(is);
          }
          return list;
      }
  
      /**
       * 对excel表单指定表格索引名转换成list
       * 
       * @param sheetName 表格索引名
       * @param titleNum 标题占用行数
       * @param is 输入流
       * @return 转换后集合
       */
      public List<T> importExcel(String sheetName, InputStream is, int titleNum) throws Exception
      {
          this.type = Type.IMPORT;
          this.wb = WorkbookFactory.create(is);
          List<T> list = new ArrayList<T>();
          // 如果指定sheet名,则取指定sheet中的内容 否则默认指向第1个sheet
          Sheet sheet = StringUtils.isNotEmpty(sheetName) ? wb.getSheet(sheetName) : wb.getSheetAt(0);
          if (sheet == null)
          {
              throw new IOException("文件sheet不存在");
          }
          boolean isXSSFWorkbook = !(wb instanceof HSSFWorkbook);
          Map<String, PictureData> pictures;
          if (isXSSFWorkbook)
          {
              pictures = getSheetPictures07((XSSFSheet) sheet, (XSSFWorkbook) wb);
          }
          else
          {
              pictures = getSheetPictures03((HSSFSheet) sheet, (HSSFWorkbook) wb);
          }
          // 获取最后一个非空行的行下标，比如总行数为n，则返回的为n-1
          int rows = sheet.getLastRowNum();
          if (rows > 0)
          {
              // 定义一个map用于存放excel列的序号和field.
              Map<String, Integer> cellMap = new HashMap<String, Integer>();
              // 获取表头
              Row heard = sheet.getRow(titleNum);
              for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++)
              {
                  Cell cell = heard.getCell(i);
                  if (StringUtils.isNotNull(cell))
                  {
                      String value = this.getCellValue(heard, i).toString();
                      cellMap.put(value, i);
                  }
                  else
                  {
                      cellMap.put(null, i);
                  }
              }
              // 有数据时才处理 得到类的所有field.
              List<Object[]> fields = this.getFields();
              Map<Integer, Object[]> fieldsMap = new HashMap<Integer, Object[]>();
              for (Object[] objects : fields)
              {
                  Excel attr = (Excel) objects[1];
                  Integer column = cellMap.get(attr.name());
                  if (column != null)
                  {
                      fieldsMap.put(column, objects);
                  }
              }
              for (int i = titleNum + 1; i <= rows; i++)
              {
                  // 从第2行开始取数据,默认第一行是表头.
                  Row row = sheet.getRow(i);
                  // 判断当前行是否是空行
                  if (isRowEmpty(row))
                  {
                      continue;
                  }
                  T entity = null;
                  for (Map.Entry<Integer, Object[]> entry : fieldsMap.entrySet())
                  {
                      Object val = this.getCellValue(row, entry.getKey());
  
                      // 如果不存在实例则新建.
                      entity = (entity == null ? clazz.newInstance() : entity);
                      // 从map中得到对应列的field.
                      Field field = (Field) entry.getValue()[0];
                      Excel attr = (Excel) entry.getValue()[1];
                      // 取得类型,并根据对象类型设置值.
                      Class<?> fieldType = field.getType();
                      if (String.class == fieldType)
                      {
                          String s = Convert.toStr(val);
                          if (StringUtils.endsWith(s, ".0"))
                          {
                              val = StringUtils.substringBefore(s, ".0");
                          }
                          else
                          {
                              String dateFormat = field.getAnnotation(Excel.class).dateFormat();
                              if (StringUtils.isNotEmpty(dateFormat))
                              {
                                  val = parseDateToStr(dateFormat, val);
                              }
                              else
                              {
                                  val = Convert.toStr(val);
                              }
                          }
                      }
                      else if ((Integer.TYPE == fieldType || Integer.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val)))
                      {
                          val = Convert.toInt(val);
                      }
                      else if ((Long.TYPE == fieldType || Long.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val)))
                      {
                          val = Convert.toLong(val);
                      }
                      else if (Double.TYPE == fieldType || Double.class == fieldType)
                      {
                          val = Convert.toDouble(val);
                      }
                      else if (Float.TYPE == fieldType || Float.class == fieldType)
                      {
                          val = Convert.toFloat(val);
                      }
                      else if (BigDecimal.class == fieldType)
                      {
                          val = Convert.toBigDecimal(val);
                      }
                      else if (Date.class == fieldType)
                      {
                          if (val instanceof String)
                          {
                              val = DateUtils.parseDate(val);
                          }
                          else if (val instanceof Double)
                          {
                              val = DateUtil.getJavaDate((Double) val);
                          }
                      }
                      else if (Boolean.TYPE == fieldType || Boolean.class == fieldType)
                      {
                          val = Convert.toBool(val, false);
                      }
                      if (StringUtils.isNotNull(fieldType))
                      {
                          String propertyName = field.getName();
                          if (StringUtils.isNotEmpty(attr.targetAttr()))
                          {
                              propertyName = field.getName() + "." + attr.targetAttr();
                          }
                          if (StringUtils.isNotEmpty(attr.readConverterExp()))
                          {
                              val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator());
                          }
                          else if (StringUtils.isNotEmpty(attr.dictType()))
                          {
                              if (!sysDictMap.containsKey(attr.dictType() + val))
                              {
                                  String dictValue = reverseDictByExp(Convert.toStr(val), attr.dictType(), attr.separator());
                                  sysDictMap.put(attr.dictType() + val, dictValue);
                              }
                              val = sysDictMap.get(attr.dictType() + val);
                          }
                          else if (!attr.handler().equals(ExcelHandlerAdapter.class))
                          {
                              val = dataFormatHandlerAdapter(val, attr, null);
                          }
                          else if (ColumnType.IMAGE == attr.cellType() && StringUtils.isNotEmpty(pictures))
                          {
                              PictureData image = pictures.get(row.getRowNum() + "_" + entry.getKey());
                              if (image == null)
                              {
                                  val = "";
                              }
                              else
                              {
                                  byte[] data = image.getData();
                                  val = FileUtils.writeImportBytes(data);
                              }
                          }
                          ReflectUtils.invokeSetter(entity, propertyName, val);
                      }
                  }
                  list.add(entity);
              }
          }
          return list;
      }
  
      /**
       * 对list数据源将其里面的数据导入到excel表单
       * 
       * @param list 导出数据集合
       * @param sheetName 工作表的名称
       * @return 结果
       */
      public AjaxResult exportExcel(List<T> list, String sheetName)
      {
          return exportExcel(list, sheetName, StringUtils.EMPTY);
      }
  
      /**
       * 对list数据源将其里面的数据导入到excel表单
       * 
       * @param list 导出数据集合
       * @param sheetName 工作表的名称
       * @param title 标题
       * @return 结果
       */
      public AjaxResult exportExcel(List<T> list, String sheetName, String title)
      {
          this.init(list, sheetName, title, Type.EXPORT);
          return exportExcel();
      }
  
      /**
       * 对list数据源将其里面的数据导入到excel表单
       * 
       * @param response 返回数据
       * @param list 导出数据集合
       * @param sheetName 工作表的名称
       * @return 结果
       */
      public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)
      {
          exportExcel(response, list, sheetName, StringUtils.EMPTY);
      }
  
      /**
       * 对list数据源将其里面的数据导入到excel表单
       * 
       * @param response 返回数据
       * @param list 导出数据集合
       * @param sheetName 工作表的名称
       * @param title 标题
       * @return 结果
       */
      public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title)
      {
          response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
          response.setCharacterEncoding("utf-8");
          this.init(list, sheetName, title, Type.EXPORT);
          exportExcel(response);
      }
  
      /**
       * 对list数据源将其里面的数据导入到excel表单
       * 
       * @param sheetName 工作表的名称
       * @return 结果
       */
      public AjaxResult importTemplateExcel(String sheetName)
      {
          return importTemplateExcel(sheetName, StringUtils.EMPTY);
      }
  
      /**
       * 对list数据源将其里面的数据导入到excel表单
       * 
       * @param sheetName 工作表的名称
       * @param title 标题
       * @return 结果
       */
      public AjaxResult importTemplateExcel(String sheetName, String title)
      {
          this.init(null, sheetName, title, Type.IMPORT);
          return exportExcel();
      }
  
      /**
       * 对list数据源将其里面的数据导入到excel表单
       * 
       * @param sheetName 工作表的名称
       * @return 结果
       */
      public void importTemplateExcel(HttpServletResponse response, String sheetName)
      {
          importTemplateExcel(response, sheetName, StringUtils.EMPTY);
      }
  
      /**
       * 对list数据源将其里面的数据导入到excel表单
       * 
       * @param sheetName 工作表的名称
       * @param title 标题
       * @return 结果
       */
      public void importTemplateExcel(HttpServletResponse response, String sheetName, String title)
      {
          response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
          response.setCharacterEncoding("utf-8");
          this.init(null, sheetName, title, Type.IMPORT);
          exportExcel(response);
      }
  
      /**
       * 对list数据源将其里面的数据导入到excel表单
       * 
       * @return 结果
       */
      public void exportExcel(HttpServletResponse response)
      {
          try
          {
              writeSheet();
              wb.write(response.getOutputStream());
          }
          catch (Exception e)
          {
              log.error("导出Excel异常{}", e.getMessage());
          }
          finally
          {
              IOUtils.closeQuietly(wb);
          }
      }
  
      /**
       * 对list数据源将其里面的数据导入到excel表单
       * 
       * @return 结果
       */
      public AjaxResult exportExcel()
      {
          OutputStream out = null;
          try
          {
              writeSheet();
              String filename = encodingFilename(sheetName);
              out = new FileOutputStream(getAbsoluteFile(filename));
              wb.write(out);
              return AjaxResult.success(filename);
          }
          catch (Exception e)
          {
              log.error("导出Excel异常{}", e.getMessage());
              throw new UtilException("导出Excel失败，请联系网站管理员！");
          }
          finally
          {
              IOUtils.closeQuietly(wb);
              IOUtils.closeQuietly(out);
          }
      }
  
      /**
       * 创建写入数据到Sheet
       */
      public void writeSheet()
      {
          // 取出一共有多少个sheet.
          int sheetNo = Math.max(1, (int) Math.ceil(list.size() * 1.0 / sheetSize));
          for (int index = 0; index < sheetNo; index++)
          {
              createSheet(sheetNo, index);
  
              // 产生一行
              Row row = sheet.createRow(rownum);
              int column = 0;
              // 写入各个字段的列头名称
              for (Object[] os : fields)
              {
                  Field field = (Field) os[0];
                  Excel excel = (Excel) os[1];
                  if (Collection.class.isAssignableFrom(field.getType()))
                  {
                      for (Field subField : subFields)
                      {
                          Excel subExcel = subField.getAnnotation(Excel.class);
                          this.createHeadCell(subExcel, row, column++);
                      }
                  }
                  else
                  {
                      this.createHeadCell(excel, row, column++);
                  }
              }
              if (Type.EXPORT.equals(type))
              {
                  fillExcelData(index, row);
                  addStatisticsRow();
              }
          }
      }
  
      /**
       * 填充excel数据
       * 
       * @param index 序号
       * @param row 单元格行
       */
      @SuppressWarnings("unchecked")
      public void fillExcelData(int index, Row row)
      {
          int startNo = index * sheetSize;
          int endNo = Math.min(startNo + sheetSize, list.size());
          int currentRowNum = rownum + 1; // 从标题行后开始
  
          for (int i = startNo; i < endNo; i++)
          {
              row = sheet.createRow(currentRowNum);
              T vo = (T) list.get(i);
              int column = 0;
              int maxSubListSize = getCurrentMaxSubListSize(vo);
              for (Object[] os : fields)
              {
                  Field field = (Field) os[0];
                  Excel excel = (Excel) os[1];
                  if (Collection.class.isAssignableFrom(field.getType()))
                  {
                      try
                      {
                          Collection<?> subList = (Collection<?>) getTargetValue(vo, field, excel);
                          if (subList != null && !subList.isEmpty())
                          {
                              int subIndex = 0;
                              for (Object subVo : subList)
                              {
                                  Row subRow = sheet.getRow(currentRowNum + subIndex);
                                  if (subRow == null)
                                  {
                                      subRow = sheet.createRow(currentRowNum + subIndex);
                                  }
  
                                  int subColumn = column;
                                  for (Field subField : subFields)
                                  {
                                      Excel subExcel = subField.getAnnotation(Excel.class);
                                      addCell(subExcel, subRow, (T) subVo, subField, subColumn++);
                                  }
                                  subIndex++;
                              }
                              column += subFields.size();
                          }
                      }
                      catch (Exception e)
                      {
                          log.error("填充集合数据失败", e);
                      }
                  }
                  else
                  {
                      // 创建单元格并设置值
                      addCell(excel, row, vo, field, column);
                      if (maxSubListSize > 1 && excel.needMerge())
                      {
                          sheet.addMergedRegion(new CellRangeAddress(currentRowNum, currentRowNum + maxSubListSize - 1, column, column));
                      }
                      column++;
                  }
              }
              currentRowNum += maxSubListSize;
          }
      }
  
      /**
       * 获取子列表最大数
       */
      private int getCurrentMaxSubListSize(T vo)
      {
          int maxSubListSize = 1;
          for (Object[] os : fields)
          {
              Field field = (Field) os[0];
              if (Collection.class.isAssignableFrom(field.getType()))
              {
                  try
                  {
                      Collection<?> subList = (Collection<?>) getTargetValue(vo, field, (Excel) os[1]);
                      if (subList != null && !subList.isEmpty())
                      {
                          maxSubListSize = Math.max(maxSubListSize, subList.size());
                      }
                  }
                  catch (Exception e)
                  {
                      log.error("获取集合大小失败", e);
                  }
              }
          }
          return maxSubListSize;
      }
  
      /**
       * 创建表格样式
       * 
       * @param wb 工作薄对象
       * @return 样式列表
       */
      private Map<String, CellStyle> createStyles(Workbook wb)
      {
          // 写入各条记录,每条记录对应excel表中的一行
          Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
          CellStyle style = wb.createCellStyle();
          style.setAlignment(HorizontalAlignment.CENTER);
          style.setVerticalAlignment(VerticalAlignment.CENTER);
          Font titleFont = wb.createFont();
          titleFont.setFontName("Arial");
          titleFont.setFontHeightInPoints((short) 16);
          titleFont.setBold(true);
          style.setFont(titleFont);
          DataFormat dataFormat = wb.createDataFormat();
          style.setDataFormat(dataFormat.getFormat("@"));
          styles.put("title", style);
  
          style = wb.createCellStyle();
          style.setAlignment(HorizontalAlignment.CENTER);
          style.setVerticalAlignment(VerticalAlignment.CENTER);
          style.setBorderRight(BorderStyle.THIN);
          style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
          style.setBorderLeft(BorderStyle.THIN);
          style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
          style.setBorderTop(BorderStyle.THIN);
          style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
          style.setBorderBottom(BorderStyle.THIN);
          style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
          Font dataFont = wb.createFont();
          dataFont.setFontName("Arial");
          dataFont.setFontHeightInPoints((short) 10);
          style.setFont(dataFont);
          styles.put("data", style);
  
          style = wb.createCellStyle();
          style.setAlignment(HorizontalAlignment.CENTER);
          style.setVerticalAlignment(VerticalAlignment.CENTER);
          Font totalFont = wb.createFont();
          totalFont.setFontName("Arial");
          totalFont.setFontHeightInPoints((short) 10);
          style.setFont(totalFont);
          styles.put("total", style);
  
          styles.putAll(annotationHeaderStyles(wb, styles));
  
          styles.putAll(annotationDataStyles(wb));
  
          return styles;
      }
  
      /**
       * 根据Excel注解创建表格头样式
       * 
       * @param wb 工作薄对象
       * @return 自定义样式列表
       */
      private Map<String, CellStyle> annotationHeaderStyles(Workbook wb, Map<String, CellStyle> styles)
      {
          Map<String, CellStyle> headerStyles = new HashMap<String, CellStyle>();
          for (Object[] os : fields)
          {
              Excel excel = (Excel) os[1];
              String key = StringUtils.format("header_{}_{}", excel.headerColor(), excel.headerBackgroundColor());
              if (!headerStyles.containsKey(key))
              {
                  CellStyle style = wb.createCellStyle();
                  style.cloneStyleFrom(styles.get("data"));
                  style.setAlignment(HorizontalAlignment.CENTER);
                  style.setVerticalAlignment(VerticalAlignment.CENTER);
                  style.setFillForegroundColor(excel.headerBackgroundColor().index);
                  style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
                  Font headerFont = wb.createFont();
                  headerFont.setFontName("Arial");
                  headerFont.setFontHeightInPoints((short) 10);
                  headerFont.setBold(true);
                  headerFont.setColor(excel.headerColor().index);
                  style.setFont(headerFont);
                  // 设置表格头单元格文本形式
                  DataFormat dataFormat = wb.createDataFormat();
                  style.setDataFormat(dataFormat.getFormat("@"));
                  headerStyles.put(key, style);
              }
          }
          return headerStyles;
      }
  
      /**
       * 根据Excel注解创建表格列样式
       * 
       * @param wb 工作薄对象
       * @return 自定义样式列表
       */
      private Map<String, CellStyle> annotationDataStyles(Workbook wb)
      {
          Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
          for (Object[] os : fields)
          {
              Field field = (Field) os[0];
              Excel excel = (Excel) os[1];
              if (Collection.class.isAssignableFrom(field.getType()))
              {
                  ParameterizedType pt = (ParameterizedType) field.getGenericType();
                  Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];
                  List<Field> subFields = FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class);
                  for (Field subField : subFields)
                  {
                      Excel subExcel = subField.getAnnotation(Excel.class);
                      annotationDataStyles(styles, subField, subExcel);
                  }
              }
              else
              {
                  annotationDataStyles(styles, field, excel);
              }
          }
          return styles;
      }
  
      /**
       * 根据Excel注解创建表格列样式
       * 
       * @param styles 自定义样式列表
       * @param field  属性列信息
       * @param excel  注解信息
       */
      public void annotationDataStyles(Map<String, CellStyle> styles, Field field, Excel excel)
      {
          String key = StringUtils.format("data_{}_{}_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor(), excel.cellType(), excel.wrapText());
          if (!styles.containsKey(key))
          {
              CellStyle style = wb.createCellStyle();
              style.setAlignment(excel.align());
              style.setVerticalAlignment(VerticalAlignment.CENTER);
              style.setBorderRight(BorderStyle.THIN);
              style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
              style.setBorderLeft(BorderStyle.THIN);
              style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
              style.setBorderTop(BorderStyle.THIN);
              style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
              style.setBorderBottom(BorderStyle.THIN);
              style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
              style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
              style.setFillForegroundColor(excel.backgroundColor().getIndex());
              style.setWrapText(excel.wrapText());
              Font dataFont = wb.createFont();
              dataFont.setFontName("Arial");
              dataFont.setFontHeightInPoints((short) 10);
              dataFont.setColor(excel.color().index);
              style.setFont(dataFont);
              if (ColumnType.TEXT == excel.cellType())
              {
                  DataFormat dataFormat = wb.createDataFormat();
                  style.setDataFormat(dataFormat.getFormat("@"));
              }
              styles.put(key, style);
          }
      }
  
      /**
       * 创建单元格
       */
      public Cell createHeadCell(Excel attr, Row row, int column)
      {
          // 创建列
          Cell cell = row.createCell(column);
          // 写入列信息
          cell.setCellValue(attr.name());
          setDataValidation(attr, row, column);
          cell.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
          if (isSubList())
          {
              // 填充默认样式，防止合并单元格样式失效
              sheet.setDefaultColumnStyle(column, styles.get(StringUtils.format("data_{}_{}_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor(), attr.cellType(), attr.wrapText())));
              if (attr.needMerge())
              {
                  sheet.addMergedRegion(new CellRangeAddress(rownum - 1, rownum, column, column));
              }
          }
          return cell;
      }
  
      /**
       * 设置单元格信息
       * 
       * @param value 单元格值
       * @param attr 注解相关
       * @param cell 单元格信息
       */
      public void setCellVo(Object value, Excel attr, Cell cell)
      {
          if (ColumnType.STRING == attr.cellType() || ColumnType.TEXT == attr.cellType())
          {
              String cellValue = Convert.toStr(value);
              // 对于任何以表达式触发字符 =-+@开头的单元格，直接使用tab字符作为前缀，防止CSV注入。
              if (StringUtils.startsWithAny(cellValue, FORMULA_STR))
              {
                  cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");
              }
              if (value instanceof Collection && StringUtils.equals("[]", cellValue))
              {
                  cellValue = StringUtils.EMPTY;
              }
              cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
          }
          else if (ColumnType.NUMERIC == attr.cellType())
          {
              if (StringUtils.isNotNull(value))
              {
                  cell.setCellValue(StringUtils.contains(Convert.toStr(value), ".") ? Convert.toDouble(value) : Convert.toInt(value));
              }
          }
          else if (ColumnType.IMAGE == attr.cellType())
          {
              ClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), cell.getRow().getRowNum(), (short) (cell.getColumnIndex() + 1), cell.getRow().getRowNum() + 1);
              String imagePath = Convert.toStr(value);
              if (StringUtils.isNotEmpty(imagePath))
              {
                  byte[] data = ImageUtils.getImage(imagePath);
                  getDrawingPatriarch(cell.getSheet()).createPicture(anchor,
                          cell.getSheet().getWorkbook().addPicture(data, getImageType(data)));
              }
          }
      }
  
      /**
       * 获取画布
       */
      public static Drawing<?> getDrawingPatriarch(Sheet sheet)
      {
          if (sheet.getDrawingPatriarch() == null)
          {
              sheet.createDrawingPatriarch();
          }
          return sheet.getDrawingPatriarch();
      }
  
      /**
       * 获取图片类型,设置图片插入类型
       */
      public int getImageType(byte[] value)
      {
          String type = FileTypeUtils.getFileExtendName(value);
          if ("JPG".equalsIgnoreCase(type))
          {
              return Workbook.PICTURE_TYPE_JPEG;
          }
          else if ("PNG".equalsIgnoreCase(type))
          {
              return Workbook.PICTURE_TYPE_PNG;
          }
          return Workbook.PICTURE_TYPE_JPEG;
      }
  
      /**
       * 创建表格样式
       */
      public void setDataValidation(Excel attr, Row row, int column)
      {
          if (attr.name().indexOf("注：") >= 0)
          {
              sheet.setColumnWidth(column, 6000);
          }
          else
          {
              // 设置列宽
              sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
          }
          if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0 || attr.comboReadDict())
          {
              String[] comboArray = attr.combo();
              if (attr.comboReadDict())
              {
                  if (!sysDictMap.containsKey("combo_" + attr.dictType()))
                  {
                      String labels = DictUtils.getDictLabels(attr.dictType());
                      sysDictMap.put("combo_" + attr.dictType(), labels);
                  }
                  String val = sysDictMap.get("combo_" + attr.dictType());
                  comboArray = StringUtils.split(val, DictUtils.SEPARATOR);
              }
              if (comboArray.length > 15 || StringUtils.join(comboArray).length() > 255)
              {
                  // 如果下拉数大于15或字符串长度大于255，则使用一个新sheet存储，避免生成的模板下拉值获取不到
                  setXSSFValidationWithHidden(sheet, comboArray, attr.prompt(), 1, 100, column, column);
              }
              else
              {
                  // 提示信息或只能选择不能输入的列内容.
                  setPromptOrValidation(sheet, comboArray, attr.prompt(), 1, 100, column, column);
              }
          }
      }
  
      /**
       * 添加单元格
       */
      public Cell addCell(Excel attr, Row row, T vo, Field field, int column)
      {
          Cell cell = null;
          try
          {
              // 设置行高
              row.setHeight(maxHeight);
              // 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列.
              if (attr.isExport())
              {
                  // 创建cell
                  cell = row.createCell(column);
                  if (isSubListValue(vo) && getListCellValue(vo).size() > 1 && attr.needMerge())
                  {
                      if (subMergedLastRowNum >= subMergedFirstRowNum)
                      {
                          sheet.addMergedRegion(new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column));
                      }
                  }
                  cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor(), attr.cellType(), attr.wrapText())));
  
                  // 用于读取对象中的属性
                  Object value = getTargetValue(vo, field, attr);
                  String dateFormat = attr.dateFormat();
                  String readConverterExp = attr.readConverterExp();
                  String separator = attr.separator();
                  String dictType = attr.dictType();
                  if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
                  {
                      cell.setCellValue(parseDateToStr(dateFormat, value));
                  }
                  else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
                  {
                      cell.setCellValue(convertByExp(Convert.toStr(value), readConverterExp, separator));
                  }
                  else if (StringUtils.isNotEmpty(dictType) && StringUtils.isNotNull(value))
                  {
                      if (!sysDictMap.containsKey(dictType + value))
                      {
                          String lable = convertDictByExp(Convert.toStr(value), dictType, separator);
                          sysDictMap.put(dictType + value, lable);
                      }
                      cell.setCellValue(sysDictMap.get(dictType + value));
                  }
                  else if (value instanceof BigDecimal && -1 != attr.scale())
                  {
                      cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).doubleValue());
                  }
                  else if (!attr.handler().equals(ExcelHandlerAdapter.class))
                  {
                      cell.setCellValue(dataFormatHandlerAdapter(value, attr, cell));
                  }
                  else
                  {
                      // 设置列类型
                      setCellVo(value, attr, cell);
                  }
                  addStatisticsData(column, Convert.toStr(value), attr);
              }
          }
          catch (Exception e)
          {
              log.error("导出Excel失败{}", e);
          }
          return cell;
      }
  
      /**
       * 设置 POI XSSFSheet 单元格提示或选择框
       * 
       * @param sheet 表单
       * @param textlist 下拉框显示的内容
       * @param promptContent 提示内容
       * @param firstRow 开始行
       * @param endRow 结束行
       * @param firstCol 开始列
       * @param endCol 结束列
       */
      public void setPromptOrValidation(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow,
              int firstCol, int endCol)
      {
          DataValidationHelper helper = sheet.getDataValidationHelper();
          DataValidationConstraint constraint = textlist.length > 0 ? helper.createExplicitListConstraint(textlist) : helper.createCustomConstraint("DD1");
          CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
          DataValidation dataValidation = helper.createValidation(constraint, regions);
          if (StringUtils.isNotEmpty(promptContent))
          {
              // 如果设置了提示信息则鼠标放上去提示
              dataValidation.createPromptBox("", promptContent);
              dataValidation.setShowPromptBox(true);
          }
          // 处理Excel兼容性问题
          if (dataValidation instanceof XSSFDataValidation)
          {
              dataValidation.setSuppressDropDownArrow(true);
              dataValidation.setShowErrorBox(true);
          }
          else
          {
              dataValidation.setSuppressDropDownArrow(false);
          }
          sheet.addValidationData(dataValidation);
      }
  
      /**
       * 设置某些列的值只能输入预制的数据,显示下拉框（兼容超出一定数量的下拉框）.
       * 
       * @param sheet 要设置的sheet.
       * @param textlist 下拉框显示的内容
       * @param promptContent 提示内容
       * @param firstRow 开始行
       * @param endRow 结束行
       * @param firstCol 开始列
       * @param endCol 结束列
       */
      public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol)
      {
          String hideSheetName = "combo_" + firstCol + "_" + endCol;
          Sheet hideSheet = wb.createSheet(hideSheetName); // 用于存储 下拉菜单数据
          for (int i = 0; i < textlist.length; i++)
          {
              hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);
          }
          // 创建名称，可被其他单元格引用
          Name name = wb.createName();
          name.setNameName(hideSheetName + "_data");
          name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);
          DataValidationHelper helper = sheet.getDataValidationHelper();
          // 加载下拉列表内容
          DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetName + "_data");
          // 设置数据有效性加载在哪个单元格上,四个参数分别是：起始行、终止行、起始列、终止列
          CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
          // 数据有效性对象
          DataValidation dataValidation = helper.createValidation(constraint, regions);
          if (StringUtils.isNotEmpty(promptContent))
          {
              // 如果设置了提示信息则鼠标放上去提示
              dataValidation.createPromptBox("", promptContent);
              dataValidation.setShowPromptBox(true);
          }
          // 处理Excel兼容性问题
          if (dataValidation instanceof XSSFDataValidation)
          {
              dataValidation.setSuppressDropDownArrow(true);
              dataValidation.setShowErrorBox(true);
          }
          else
          {
              dataValidation.setSuppressDropDownArrow(false);
          }
  
          sheet.addValidationData(dataValidation);
          // 设置hiddenSheet隐藏
          wb.setSheetHidden(wb.getSheetIndex(hideSheet), true);
      }
  
      /**
       * 解析导出值 0=男,1=女,2=未知
       * 
       * @param propertyValue 参数值
       * @param converterExp 翻译注解
       * @param separator 分隔符
       * @return 解析后值
       */
      public static String convertByExp(String propertyValue, String converterExp, String separator)
      {
          StringBuilder propertyString = new StringBuilder();
          String[] convertSource = converterExp.split(",");
          for (String item : convertSource)
          {
              String[] itemArray = item.split("=");
              if (StringUtils.containsAny(propertyValue, separator))
              {
                  for (String value : propertyValue.split(separator))
                  {
                      if (itemArray[0].equals(value))
                      {
                          propertyString.append(itemArray[1] + separator);
                          break;
                      }
                  }
              }
              else
              {
                  if (itemArray[0].equals(propertyValue))
                  {
                      return itemArray[1];
                  }
              }
          }
          return StringUtils.stripEnd(propertyString.toString(), separator);
      }
  
      /**
       * 反向解析值 男=0,女=1,未知=2
       * 
       * @param propertyValue 参数值
       * @param converterExp 翻译注解
       * @param separator 分隔符
       * @return 解析后值
       */
      public static String reverseByExp(String propertyValue, String converterExp, String separator)
      {
          StringBuilder propertyString = new StringBuilder();
          String[] convertSource = converterExp.split(",");
          for (String item : convertSource)
          {
              String[] itemArray = item.split("=");
              if (StringUtils.containsAny(propertyValue, separator))
              {
                  for (String value : propertyValue.split(separator))
                  {
                      if (itemArray[1].equals(value))
                      {
                          propertyString.append(itemArray[0] + separator);
                          break;
                      }
                  }
              }
              else
              {
                  if (itemArray[1].equals(propertyValue))
                  {
                      return itemArray[0];
                  }
              }
          }
          return StringUtils.stripEnd(propertyString.toString(), separator);
      }
  
      /**
       * 解析字典值
       * 
       * @param dictValue 字典值
       * @param dictType 字典类型
       * @param separator 分隔符
       * @return 字典标签
       */
      public static String convertDictByExp(String dictValue, String dictType, String separator)
      {
          return DictUtils.getDictLabel(dictType, dictValue, separator);
      }
  
      /**
       * 反向解析值字典值
       * 
       * @param dictLabel 字典标签
       * @param dictType 字典类型
       * @param separator 分隔符
       * @return 字典值
       */
      public static String reverseDictByExp(String dictLabel, String dictType, String separator)
      {
          return DictUtils.getDictValue(dictType, dictLabel, separator);
      }
  
      /**
       * 数据处理器
       * 
       * @param value 数据值
       * @param excel 数据注解
       * @return
       */
      public String dataFormatHandlerAdapter(Object value, Excel excel, Cell cell)
      {
          try
          {
              Object instance = excel.handler().newInstance();
              Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class, Cell.class, Workbook.class });
              value = formatMethod.invoke(instance, value, excel.args(), cell, this.wb);
          }
          catch (Exception e)
          {
              log.error("不能格式化数据 " + excel.handler(), e.getMessage());
          }
          return Convert.toStr(value);
      }
  
      /**
       * 合计统计信息
       */
      private void addStatisticsData(Integer index, String text, Excel entity)
      {
          if (entity != null && entity.isStatistics())
          {
              Double temp = 0D;
              if (!statistics.containsKey(index))
              {
                  statistics.put(index, temp);
              }
              try
              {
                  temp = Double.valueOf(text);
              }
              catch (NumberFormatException e)
              {
              }
              statistics.put(index, statistics.get(index) + temp);
          }
      }
  
      /**
       * 创建统计行
       */
      public void addStatisticsRow()
      {
          if (statistics.size() > 0)
          {
              Row row = sheet.createRow(sheet.getLastRowNum() + 1);
              Set<Integer> keys = statistics.keySet();
              Cell cell = row.createCell(0);
              cell.setCellStyle(styles.get("total"));
              cell.setCellValue("合计");
  
              for (Integer key : keys)
              {
                  cell = row.createCell(key);
                  cell.setCellStyle(styles.get("total"));
                  cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key)));
              }
              statistics.clear();
          }
      }
  
      /**
       * 编码文件名
       */
      public String encodingFilename(String filename)
      {
          filename = UUID.randomUUID() + "_" + filename + ".xlsx";
          return filename;
      }
  
      /**
       * 获取下载路径
       * 
       * @param filename 文件名称
       */
      public String getAbsoluteFile(String filename)
      {
          String downloadPath = RuoYiConfig.getDownloadPath() + filename;
          File desc = new File(downloadPath);
          if (!desc.getParentFile().exists())
          {
              desc.getParentFile().mkdirs();
          }
          return downloadPath;
      }
  
      /**
       * 获取bean中的属性值
       * 
       * @param vo 实体对象
       * @param field 字段
       * @param excel 注解
       * @return 最终的属性值
       * @throws Exception
       */
      private Object getTargetValue(T vo, Field field, Excel excel) throws Exception
      {
          field.setAccessible(true);
          Object o = field.get(vo);
          if (StringUtils.isNotEmpty(excel.targetAttr()))
          {
              String target = excel.targetAttr();
              if (target.contains("."))
              {
                  String[] targets = target.split("[.]");
                  for (String name : targets)
                  {
                      o = getValue(o, name);
                  }
              }
              else
              {
                  o = getValue(o, target);
              }
          }
          return o;
      }
  
      /**
       * 以类的属性的get方法方法形式获取值
       * 
       * @param o
       * @param name
       * @return value
       * @throws Exception
       */
      private Object getValue(Object o, String name) throws Exception
      {
          if (StringUtils.isNotNull(o) && StringUtils.isNotEmpty(name))
          {
              Class<?> clazz = o.getClass();
              Field field = clazz.getDeclaredField(name);
              field.setAccessible(true);
              o = field.get(o);
          }
          return o;
      }
  
      /**
       * 得到所有定义字段
       */
      private void createExcelField()
      {
          this.fields = getFields();
          this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList());
          this.maxHeight = getRowHeight();
      }
  
      /**
       * 获取字段注解信息
       */
      public List<Object[]> getFields()
      {
          List<Object[]> fields = new ArrayList<Object[]>();
          List<Field> tempFields = new ArrayList<>();
          tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
          tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
          if (StringUtils.isNotEmpty(includeFields))
          {
              for (Field field : tempFields)
              {
                  if (ArrayUtils.contains(this.includeFields, field.getName()) || field.isAnnotationPresent(Excels.class))
                  {
                      addField(fields, field);
                  }
              }
          }
          else if (StringUtils.isNotEmpty(excludeFields))
          {
              for (Field field : tempFields)
              {
                  if (!ArrayUtils.contains(this.excludeFields, field.getName()))
                  {
                      addField(fields, field);
                  }
              }
          }
          else
          {
              for (Field field : tempFields)
              {
                  addField(fields, field);
              }
          }
          return fields;
      }
  
      /**
       * 添加字段信息
       */
      public void addField(List<Object[]> fields, Field field)
      {
          // 单注解
          if (field.isAnnotationPresent(Excel.class))
          {
              Excel attr = field.getAnnotation(Excel.class);
              if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
              {
                  fields.add(new Object[] { field, attr });
              }
              if (Collection.class.isAssignableFrom(field.getType()))
              {
                  subMethod = getSubMethod(field.getName(), clazz);
                  ParameterizedType pt = (ParameterizedType) field.getGenericType();
                  Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];
                  this.subFields = FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class);
              }
          }
  
          // 多注解
          if (field.isAnnotationPresent(Excels.class))
          {
              Excels attrs = field.getAnnotation(Excels.class);
              Excel[] excels = attrs.value();
              for (Excel attr : excels)
              {
                  if (StringUtils.isNotEmpty(includeFields))
                  {
                      if (ArrayUtils.contains(this.includeFields, field.getName() + "." + attr.targetAttr())
                              && (attr != null && (attr.type() == Type.ALL || attr.type() == type)))
                      {
                          fields.add(new Object[] { field, attr });
                      }
                  }
                  else
                  {
                      if (!ArrayUtils.contains(this.excludeFields, field.getName() + "." + attr.targetAttr())
                              && (attr != null && (attr.type() == Type.ALL || attr.type() == type)))
                      {
                          fields.add(new Object[] { field, attr });
                      }
                  }
              }
          }
      }
  
      /**
       * 根据注解获取最大行高
       */
      public short getRowHeight()
      {
          double maxHeight = 0;
          for (Object[] os : this.fields)
          {
              Excel excel = (Excel) os[1];
              maxHeight = Math.max(maxHeight, excel.height());
          }
          return (short) (maxHeight * 20);
      }
  
      /**
       * 创建一个工作簿
       */
      public void createWorkbook()
      {
          this.wb = new SXSSFWorkbook(500);
          this.sheet = wb.createSheet();
          wb.setSheetName(0, sheetName);
          this.styles = createStyles(wb);
      }
  
      /**
       * 创建工作表
       * 
       * @param sheetNo sheet数量
       * @param index 序号
       */
      public void createSheet(int sheetNo, int index)
      {
          // 设置工作表的名称.
          if (sheetNo > 1 && index > 0)
          {
              this.sheet = wb.createSheet();
              this.createTitle();
              wb.setSheetName(index, sheetName + index);
          }
      }
  
      /**
       * 获取单元格值
       * 
       * @param row 获取的行
       * @param column 获取单元格列号
       * @return 单元格值
       */
      public Object getCellValue(Row row, int column)
      {
          if (row == null)
          {
              return row;
          }
          Object val = "";
          try
          {
              Cell cell = row.getCell(column);
              if (StringUtils.isNotNull(cell))
              {
                  if (cell.getCellType() == CellType.NUMERIC || cell.getCellType() == CellType.FORMULA)
                  {
                      val = cell.getNumericCellValue();
                      if (DateUtil.isCellDateFormatted(cell))
                      {
                          val = DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换
                      }
                      else
                      {
                          if ((Double) val % 1 != 0)
                          {
                              val = new BigDecimal(val.toString());
                          }
                          else
                          {
                              val = new DecimalFormat("0").format(val);
                          }
                      }
                  }
                  else if (cell.getCellType() == CellType.STRING)
                  {
                      val = cell.getStringCellValue();
                  }
                  else if (cell.getCellType() == CellType.BOOLEAN)
                  {
                      val = cell.getBooleanCellValue();
                  }
                  else if (cell.getCellType() == CellType.ERROR)
                  {
                      val = cell.getErrorCellValue();
                  }
  
              }
          }
          catch (Exception e)
          {
              return val;
          }
          return val;
      }
  
      /**
       * 判断是否是空行
       * 
       * @param row 判断的行
       * @return
       */
      private boolean isRowEmpty(Row row)
      {
          if (row == null)
          {
              return true;
          }
          for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++)
          {
              Cell cell = row.getCell(i);
              if (cell != null && cell.getCellType() != CellType.BLANK)
              {
                  return false;
              }
          }
          return true;
      }
  
      /**
       * 获取Excel2003图片
       *
       * @param sheet 当前sheet对象
       * @param workbook 工作簿对象
       * @return Map key:图片单元格索引（1_1）String，value:图片流PictureData
       */
      public static Map<String, PictureData> getSheetPictures03(HSSFSheet sheet, HSSFWorkbook workbook)
      {
          Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
          List<HSSFPictureData> pictures = workbook.getAllPictures();
          if (!pictures.isEmpty())
          {
              for (HSSFShape shape : sheet.getDrawingPatriarch().getChildren())
              {
                  HSSFClientAnchor anchor = (HSSFClientAnchor) shape.getAnchor();
                  if (shape instanceof HSSFPicture)
                  {
                      HSSFPicture pic = (HSSFPicture) shape;
                      int pictureIndex = pic.getPictureIndex() - 1;
                      HSSFPictureData picData = pictures.get(pictureIndex);
                      String picIndex = anchor.getRow1() + "_" + anchor.getCol1();
                      sheetIndexPicMap.put(picIndex, picData);
                  }
              }
              return sheetIndexPicMap;
          }
          else
          {
              return sheetIndexPicMap;
          }
      }
  
      /**
       * 获取Excel2007图片
       *
       * @param sheet 当前sheet对象
       * @param workbook 工作簿对象
       * @return Map key:图片单元格索引（1_1）String，value:图片流PictureData
       */
      public static Map<String, PictureData> getSheetPictures07(XSSFSheet sheet, XSSFWorkbook workbook)
      {
          Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
          for (POIXMLDocumentPart dr : sheet.getRelations())
          {
              if (dr instanceof XSSFDrawing)
              {
                  XSSFDrawing drawing = (XSSFDrawing) dr;
                  List<XSSFShape> shapes = drawing.getShapes();
                  for (XSSFShape shape : shapes)
                  {
                      if (shape instanceof XSSFPicture)
                      {
                          XSSFPicture pic = (XSSFPicture) shape;
                          XSSFClientAnchor anchor = pic.getPreferredSize();
                          CTMarker ctMarker = anchor.getFrom();
                          String picIndex = ctMarker.getRow() + "_" + ctMarker.getCol();
                          sheetIndexPicMap.put(picIndex, pic.getPictureData());
                      }
                  }
              }
          }
          return sheetIndexPicMap;
      }
  
      /**
       * 格式化不同类型的日期对象
       * 
       * @param dateFormat 日期格式
       * @param val 被格式化的日期对象
       * @return 格式化后的日期字符
       */
      public String parseDateToStr(String dateFormat, Object val)
      {
          if (val == null)
          {
              return "";
          }
          String str;
          if (val instanceof Date)
          {
              str = DateUtils.parseDateToStr(dateFormat, (Date) val);
          }
          else if (val instanceof LocalDateTime)
          {
              str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDateTime) val));
          }
          else if (val instanceof LocalDate)
          {
              str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDate) val));
          }
          else
          {
              str = val.toString();
          }
          return str;
      }
  
      /**
       * 是否有对象的子列表
       */
      public boolean isSubList()
      {
          return StringUtils.isNotNull(subFields) && subFields.size() > 0;
      }
  
      /**
       * 是否有对象的子列表，集合不为空
       */
      public boolean isSubListValue(T vo)
      {
          return StringUtils.isNotNull(subFields) && subFields.size() > 0 && StringUtils.isNotNull(getListCellValue(vo)) && getListCellValue(vo).size() > 0;
      }
  
      /**
       * 获取集合的值
       */
      public Collection<?> getListCellValue(Object obj)
      {
          Object value;
          try
          {
              value = subMethod.invoke(obj, new Object[] {});
          }
          catch (Exception e)
          {
              return new ArrayList<Object>();
          }
          return (Collection<?>) value;
      }
  
      /**
       * 获取对象的子列表方法
       * 
       * @param name 名称
       * @param pojoClass 类对象
       * @return 子列表方法
       */
      public Method getSubMethod(String name, Class<?> pojoClass)
      {
          StringBuffer getMethodName = new StringBuffer("get");
          getMethodName.append(name.substring(0, 1).toUpperCase());
          getMethodName.append(name.substring(1));
          Method method = null;
          try
          {
              method = pojoClass.getMethod(getMethodName.toString(), new Class[] {});
          }
          catch (Exception e)
          {
              log.error("获取对象异常{}", e.getMessage());
          }
          return method;
      }
  }
  