content: package com.ruoyi.common.utils;
  
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.Map;
  import java.util.Map.Entry;
  import javax.servlet.http.HttpServletRequest;
  
  /**
   * Map通用处理方法
   * 
   * @author ruoyi
   */
  public class MapDataUtil
  {
      public static Map<String, Object> convertDataMap(HttpServletRequest request)
      {
          Map<String, String[]> properties = request.getParameterMap();
          Map<String, Object> returnMap = new HashMap<String, Object>();
          Iterator<?> entries = properties.entrySet().iterator();
          Map.Entry<?, ?> entry;
          String name = "";
          String value = "";
          while (entries.hasNext())
          {
              entry = (Entry<?, ?>) entries.next();
              name = (String) entry.getKey();
              Object valueObj = entry.getValue();
              if (null == valueObj)
              {
                  value = "";
              }
              else if (valueObj instanceof String[])
              {
                  String[] values = (String[]) valueObj;
                  for (int i = 0; i < values.length; i++)
                  {
                      value = values[i] + ",";
                  }
                  value = value.substring(0, value.length() - 1);
              }
              else
              {
                  value = valueObj.toString();
              }
              returnMap.put(name, value);
          }
          return returnMap;
      }
  }
  