@RequestMapping(value = "updateInvestorApplyAccountNo", method = RequestMethod.POST)
@ResponseBody
public void updateInvestorApplyAccountNo(HttpServletRequest request,
HttpServletResponse response,
@RequestBody String requestBody) {
int num = 0;
String result = "";
//下面是把拿到的json字符串轉成 json對象
 

JSONObject jsStr = JSONObject.parseObject(requestBody); //將字符串{“id”：1}
//int jsID = Integer.parseInt(jsStr.getString("id"));//獲取id的值


/** 
* json對象轉換成java對象 
*/ 
InvestorApplyModel stud = (InvestorApplyModel) JSONObject.toJavaObject(jsStr,InvestorApplyModel.class);

}

json字符串轉json對象，json對象轉換成java對象