content: package com.us.example.util;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Set;
  
  import javax.servlet.http.HttpServletRequest;
  
  import org.apache.commons.lang3.StringUtils;
  
  
  
  public  class CommonUtil {
  
      /**
       * 从request中获得参数Map，并返回可读的Map.
       *
       * @param request the request
       * @return the parameter map
       */
      public static Map<String, Object> getParameterMap(HttpServletRequest request) {
          // 参数Map
          Map<String, String[]> properties = request.getParameterMap();
          //返回值Map
          Map<String, Object> returnMap = new HashMap<String, Object>();
          Set<String> keySet = properties.keySet();
          for(String key: keySet){
              String[] values = properties.get(key);
              String value = "";
              if(values != null && (values.length==1&&StringUtils.isNotBlank(values[0]))?true:false){
                  for(int i=0;i<values.length;i++){
                      if(values[i] != null && !"".equals(values[i])){
  //							value = new String(values[i].getBytes("ISO-8859-1"),"UTF-8") + ",";
                          value += values[i] + ",";
                      }
                  }
                  if(value != null && !"".equals(value)){
                      value = value.substring(0, value.length()-1);
                  }
                  if(key.equals("keywords")){//关键字特殊查询字符转义
                      value =  value.replace("_", "\\_").replace("%", "\\%");
                  }
                  returnMap.put(key, value);
              }
          }
          return returnMap;
      }
  
  }
  