function query(){

          var startDate=$("#startDate").text();//2015-09-30

          var endDate=$("#endDate").text();

          if( startDate<=endDate ){//时间合法

            $.ajax({

                type: "post",

                dataType: "text",

                url:"PayMonthGet.action",

                data: {"startMonthStr":startDate+" 00:00:00","endMonthStr":endDate+" 00:00:00"},

                success: function (msg) {

                },

                error: function(data) {

                    alert("error");

                 }

            });

          }

          else{

            alert("结束时间必须大于开始时间！");

          }

      }//query

Timestamp startMonth = new Timestamp(System.currentTimeMillis()); 
startMonth=Timestamp.valueOf(startMonthStr);//startMonthStr为request传进来的参数

JSONArray jsonArray=new JSONArray();

               for( PayMonth ut:list ){

                    JSONObject json=new JSONObject();

                    json.put("date",ut.getPayDate().toString());//转化为字符串

                    json.put("pay",ut.getPayFinal());

                    jsonArray.add(json);

                }    

var date=new Date(data[i-1].date);//data为传来的jsonArray