String dataId = "0000000000003000-0001"; String baisc= " { " + " "SIZE":"0"," + " "UPDATE":"2014-12-01 23:01:23.98765"," + " "ERR":"ssss"" + " }"; // JSONObject obj = JSONObject.fromObject(baisc); // System.out.println(obj.toString()); JSONObject returnStr=new JSONObject(); returnStr.put("DATAID", dataId); JSONObject bas = new JSONObject(); bas.put("SIZE", "1");
bas.put("UPDATE", new SimpleDataFormat("yyyy-MM-dd HH:mm:ss.SSS"));//当前时间
bas.put("ERR", "");
//如果直接放入baisc参数,得到的是错误的json字符串
returnStr.put("BAISC", bas);
System.out.println(returnStr.toString());