HTML5已原生支持json的解析,window.JSON.parse()将json格式字符串转换为json对象,window.JSON.stringify()将json对象转换为json格式字符串。
示例:
Html代码
- <!DOCTYPE HTML>
- <html>
- <head>
- <title>Window.JSON</title>
- <meta charset="gb18030">
- </head>
- <body>
- <button type="button" id="btn1">解析json字符串</button>
- <button type="button" id="btn2">json对象转换为json字符串</button>
- <div id="res">
- </div>
- <script language="JavaScript">
- <!--
- var jsonStr = "{\"total\":100,\"data\":[{\"id\":10001,\"name\":\"scott\"},{\"id\":10002,\"name\":\"tiger\"}]}";
- var jsonObj = window.JSON.parse(jsonStr);
- document.getElementById("btn1").onclick = function() {
- var str = "json字符串解析为json对象<br>";
- str += "<span>Total:"+jsonObj.total+"</span><br><span>Data:";
- for (var i=0;i<jsonObj.data.length ; i++)
- {
- str += "id:" + jsonObj.data[i].id + ",name:" + jsonObj.data[i].name+"<br>";
- }
- str += "</span><br>";
- document.querySelector("#res").innerHTML = str;
- }
- document.getElementById("btn2").onclick = function() {
- var jsonObj = {total:100,data:[{id:10001,name:"scott"},{id:10002,name:"tiger"}]};
- var jsonStr = window.JSON.stringify(jsonObj);
- var str = "转为json字符串:<br>" + jsonStr;
- document.querySelector("#res").innerHTML = str;
- }
- //-->
- </script>
- </body>
- </html>
单击“解析json字符串”按钮,结果:
json字符串解析为json对象
Total:100
Data:id:10001,name:scott
id:10002,name:tiger
单击“json对象转换为json字符串”按钮,结果:
转为json字符串:
{"total":100,"data":[{"id":10001,"name":"scott"},{"id":10002,"name":"tiger"}]}
时间: 2024-09-20 05:51:34