@RequestMapping("/rcbchart")
  @ResponseBody
  private String dwcb(@RequestParam("scrq1") String scrq1,@RequestParam("scrq2") String scrq2,
            @RequestParam("dwmc") String dwmc) throws ParseException {
    List category = new ArrayList();   //存放Echart柱状图的category
    List value = new ArrayList();     //存放Echart柱状图的data
 
    List list = rcbService.findSearchRcb(scrq1,scrq2,dwmc);
    for(ViewNyDwrcb item : list){
      category.add(item.getScrq());
      value.add(item.getRcb());
    }
 
    String categorydata = JSON.toJSONString(category); //将list集合转换为json数组
    String valuedata = JSON.toJSONString(value);
    JSONObject jsonObject = new JSONObject();
    jsonObject.put("categorydata",categorydata);
    jsonObject.put("valuedata",valuedata);
    jsonObject.put("dwmc",dwmc);
 
    String result = JSON.toJSONString(jsonObject);
 
    return result;
  }