JQuery 发送Json格式数据-CSDN博客

本文链接：https://blog.csdn.net/iteye_2903/article/details/82619522

简述：

需要封装一组Json格式的数据到服务器

知识点：

1. 调用jquery.json的库

2. AJAX Post 请求

Jquery下载地址

http://jquery.com/download/

Jquery.json

http://code.google.com/p/jquery-json/


<%@ page contentType="text/html;charset=UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<c:set var="ctx" value="${pageContext.request.contextPath}" />

<html>
<head>
<title>发送Json格式数据</title>

<script type="text/javascript" src="./lib/js/jquery-1.8.3.js" ></script>
<script type="text/javascript" src="./lib/js/jquery.json-2.4.min.js"></script>

<script type="text/javascript">
function sendJson() {
	var requestStr = {
			reqStr:  'test parameter'
	};
	var request = { 
			requestId: 'asdfasdfa',
			sessionId: 'asdfasdfasdf',
			userName: 'Jeremy',
			password:'123',
			request: requestStr
	};
	//调用了jquery.json 库
	var encoded = $.toJSON( request );
	var jsonStr = encoded;
	var actionStr = $("#actionPath").val();
	$.ajax({
		url : "${ctx}/" + actionStr,
		type : 'POST',
		data : jsonStr,
		dataType : 'json',
		//contentType : 'application/json',
		success : function(data, status, xhr) {
//         Do Anything After get Return data
//			$.each(data.payload, function(index){
//				$("#result").append("</br>" + data.payload[index].beanStr);
//			});
		},
		Error : function(xhr, error, exception) {
			// handle the error.  
			alert(exception.toString());
		}
	});
}
</script>
</head>
<body>
	<!-- Send JSON -->
	<B>Action Path:   </B><input id="actionPath"  type="text"  style="width: 300px;"/>
    <button class="button" id="buttonUpload" style="margin-left:10px;"
				onclick="return sendJson();">Send</button>
	<div id="result" >result: </div>
</body>
</html>