content: package com.ruoyi.generator.controller;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import javax.servlet.http.HttpServletResponse;
  import org.apache.commons.io.IOUtils;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.security.access.prepost.PreAuthorize;
  import org.springframework.validation.annotation.Validated;
  import org.springframework.web.bind.annotation.DeleteMapping;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.PostMapping;
  import org.springframework.web.bind.annotation.PutMapping;
  import org.springframework.web.bind.annotation.RequestBody;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RestController;
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLStatement;
  import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlCreateTableStatement;
  import com.ruoyi.common.annotation.Log;
  import com.ruoyi.common.core.controller.BaseController;
  import com.ruoyi.common.core.domain.AjaxResult;
  import com.ruoyi.common.core.page.TableDataInfo;
  import com.ruoyi.common.core.text.Convert;
  import com.ruoyi.common.enums.BusinessType;
  import com.ruoyi.common.utils.SecurityUtils;
  import com.ruoyi.common.utils.sql.SqlUtil;
  import com.ruoyi.generator.domain.GenTable;
  import com.ruoyi.generator.domain.GenTableColumn;
  import com.ruoyi.generator.service.IGenTableColumnService;
  import com.ruoyi.generator.service.IGenTableService;
  
  /**
   * 代码生成 操作处理
   * 
   * @author ruoyi
   */
  @RestController
  @RequestMapping("/tool/gen")
  public class GenController extends BaseController
  {
      @Autowired
      private IGenTableService genTableService;
  
      @Autowired
      private IGenTableColumnService genTableColumnService;
  
      /**
       * 查询代码生成列表
       */
      @PreAuthorize("@ss.hasPermi('tool:gen:list')")
      @GetMapping("/list")
      public TableDataInfo genList(GenTable genTable)
      {
          startPage();
          List<GenTable> list = genTableService.selectGenTableList(genTable);
          return getDataTable(list);
      }
  
      /**
       * 修改代码生成业务
       */
      @PreAuthorize("@ss.hasPermi('tool:gen:query')")
      @GetMapping(value = "/{tableId}")
      public AjaxResult getInfo(@PathVariable Long tableId)
      {
          GenTable table = genTableService.selectGenTableById(tableId);
          List<GenTable> tables = genTableService.selectGenTableAll();
          List<GenTableColumn> list = genTableColumnService.selectGenTableColumnListByTableId(tableId);
          Map<String, Object> map = new HashMap<String, Object>();
          map.put("info", table);
          map.put("rows", list);
          map.put("tables", tables);
          return success(map);
      }
  
      /**
       * 查询数据库列表
       */
      @PreAuthorize("@ss.hasPermi('tool:gen:list')")
      @GetMapping("/db/list")
      public TableDataInfo dataList(GenTable genTable)
      {
          startPage();
          List<GenTable> list = genTableService.selectDbTableList(genTable);
          return getDataTable(list);
      }
  
      /**
       * 查询数据表字段列表
       */
      @PreAuthorize("@ss.hasPermi('tool:gen:list')")
      @GetMapping(value = "/column/{tableId}")
      public TableDataInfo columnList(Long tableId)
      {
          TableDataInfo dataInfo = new TableDataInfo();
          List<GenTableColumn> list = genTableColumnService.selectGenTableColumnListByTableId(tableId);
          dataInfo.setRows(list);
          dataInfo.setTotal(list.size());
          return dataInfo;
      }
  
      /**
       * 导入表结构（保存）
       */
      @PreAuthorize("@ss.hasPermi('tool:gen:import')")
      @Log(title = "代码生成", businessType = BusinessType.IMPORT)
      @PostMapping("/importTable")
      public AjaxResult importTableSave(String tables)
      {
          String[] tableNames = Convert.toStrArray(tables);
          // 查询表信息
          List<GenTable> tableList = genTableService.selectDbTableListByNames(tableNames);
          genTableService.importGenTable(tableList, SecurityUtils.getUsername());
          return success();
      }
  
      /**
       * 创建表结构（保存）
       */
      @PreAuthorize("@ss.hasRole('admin')")
      @Log(title = "创建表", businessType = BusinessType.OTHER)
      @PostMapping("/createTable")
      public AjaxResult createTableSave(String sql)
      {
          try
          {
              SqlUtil.filterKeyword(sql);
              List<SQLStatement> sqlStatements = SQLUtils.parseStatements(sql, DbType.mysql);
              List<String> tableNames = new ArrayList<>();
              for (SQLStatement sqlStatement : sqlStatements)
              {
                  if (sqlStatement instanceof MySqlCreateTableStatement)
                  {
                      MySqlCreateTableStatement createTableStatement = (MySqlCreateTableStatement) sqlStatement;
                      if (genTableService.createTable(createTableStatement.toString()))
                      {
                          String tableName = createTableStatement.getTableName().replaceAll("`", "");
                          tableNames.add(tableName);
                      }
                  }
              }
              List<GenTable> tableList = genTableService.selectDbTableListByNames(tableNames.toArray(new String[tableNames.size()]));
              String operName = SecurityUtils.getUsername();
              genTableService.importGenTable(tableList, operName);
              return AjaxResult.success();
          }
          catch (Exception e)
          {
              logger.error(e.getMessage(), e);
              return AjaxResult.error("创建表结构异常");
          }
      }
  
      /**
       * 修改保存代码生成业务
       */
      @PreAuthorize("@ss.hasPermi('tool:gen:edit')")
      @Log(title = "代码生成", businessType = BusinessType.UPDATE)
      @PutMapping
      public AjaxResult editSave(@Validated @RequestBody GenTable genTable)
      {
          genTableService.validateEdit(genTable);
          genTableService.updateGenTable(genTable);
          return success();
      }
  
      /**
       * 删除代码生成
       */
      @PreAuthorize("@ss.hasPermi('tool:gen:remove')")
      @Log(title = "代码生成", businessType = BusinessType.DELETE)
      @DeleteMapping("/{tableIds}")
      public AjaxResult remove(@PathVariable Long[] tableIds)
      {
          genTableService.deleteGenTableByIds(tableIds);
          return success();
      }
  
      /**
       * 预览代码
       */
      @PreAuthorize("@ss.hasPermi('tool:gen:preview')")
      @GetMapping("/preview/{tableId}")
      public AjaxResult preview(@PathVariable("tableId") Long tableId) throws IOException
      {
          Map<String, String> dataMap = genTableService.previewCode(tableId);
          return success(dataMap);
      }
  
      /**
       * 生成代码（下载方式）
       */
      @PreAuthorize("@ss.hasPermi('tool:gen:code')")
      @Log(title = "代码生成", businessType = BusinessType.GENCODE)
      @GetMapping("/download/{tableName}")
      public void download(HttpServletResponse response, @PathVariable("tableName") String tableName) throws IOException
      {
          byte[] data = genTableService.downloadCode(tableName);
          genCode(response, data);
      }
  
      /**
       * 生成代码（自定义路径）
       */
      @PreAuthorize("@ss.hasPermi('tool:gen:code')")
      @Log(title = "代码生成", businessType = BusinessType.GENCODE)
      @GetMapping("/genCode/{tableName}")
      public AjaxResult genCode(@PathVariable("tableName") String tableName)
      {
          genTableService.generatorCode(tableName);
          return success();
      }
  
      /**
       * 同步数据库
       */
      @PreAuthorize("@ss.hasPermi('tool:gen:edit')")
      @Log(title = "代码生成", businessType = BusinessType.UPDATE)
      @GetMapping("/synchDb/{tableName}")
      public AjaxResult synchDb(@PathVariable("tableName") String tableName)
      {
          genTableService.synchDb(tableName);
          return success();
      }
  
      /**
       * 批量生成代码
       */
      @PreAuthorize("@ss.hasPermi('tool:gen:code')")
      @Log(title = "代码生成", businessType = BusinessType.GENCODE)
      @GetMapping("/batchGenCode")
      public void batchGenCode(HttpServletResponse response, String tables) throws IOException
      {
          String[] tableNames = Convert.toStrArray(tables);
          byte[] data = genTableService.downloadCode(tableNames);
          genCode(response, data);
      }
  
      /**
       * 生成zip文件
       */
      private void genCode(HttpServletResponse response, byte[] data) throws IOException
      {
          response.reset();
          response.addHeader("Access-Control-Allow-Origin", "*");
          response.addHeader("Access-Control-Expose-Headers", "Content-Disposition");
          response.setHeader("Content-Disposition", "attachment; filename=\"ruoyi.zip\"");
          response.addHeader("Content-Length", "" + data.length);
          response.setContentType("application/octet-stream; charset=UTF-8");
          IOUtils.write(data, response.getOutputStream());
      }
  }