Jquery解析json字符串及json数组的方法
本文实例讲述了Jquery解析json字符串及json数组的方法。分享给大家供大家参考。具体如下：
<!doctypehtml>
<html>
<head>
<metacharset="utf-8">
<scriptsrc="js/jquery-1.6.2.min.js"></script>
</head>
<body>
<hr/>
<h3>解析json字符串、json数组</h3>
<inputtype="button"id="jsonBtn"name="jsonBtn"value="jsonArray"/>
<inputtype="button"id="jsonArray2"name="jsonArray2"value="jsonArray2"/>
<inputtype="button"id="jsonStr"name="jsonStr"value="jsonStr"/>
<inputtype="button"id="jsonStr2"name="jsonStr2"value="jsonStr2"/>
<hr/>
<divclass="jsonText">
{"ret":0,"msg":"","is_lost":0,"nickname":"小米","gender":"男","province":"广东","city":"广州","year":"1990","figureurl":"http:\/\/qzapp.qlogo.cn\/qzapp\/101152201\/D87BF108B19279F31587CE96E5648A98\/30","figureurl_1":"http:\/\/qzapp.qlogo.cn\/qzapp\/101152201\/D87BF108B19279F31587CE96E5648A98\/50","figureurl_2":"http:\/\/qzapp.qlogo.cn\/qzapp\/101152201\/D87BF108B19279F31587CE96E5648A98\/100","figureurl_qq_1":"http:\/\/q.qlogo.cn\/qqapp\/101152201\/D87BF108B19279F31587CE96E5648A98\/40","figureurl_qq_2":"http:\/\/q.qlogo.cn\/qqapp\/101152201\/D87BF108B19279F31587CE96E5648A98\/100","is_yellow_vip":"0","vip":"0","yellow_vip_level":"0","level":"0","is_yellow_year_vip":"0"}
</div>
<hr/>
<divclass="jsonArray">
{root:
[
{name:'1',value:'0'},
{name:'6101',value:'西安市'},
{name:'6102',value:'铜川市'},
{name:'6103',value:'宝鸡市'},
{name:'6104',value:'咸阳市'},
{name:'6105',value:'渭南市'},
{name:'6106',value:'延安市'},
{name:'6107',value:'汉中市'},
{name:'6108',value:'榆林市'},
{name:'6109',value:'安康市'},
{name:'6110',value:'商洛市'}
],
json:
[
{name:'6103',value:'宝鸡市'},
{name:'6104',value:'咸阳市'},
{name:'6107',value:'汉中市'},
{name:'6108',value:'榆林市'},
{name:'6110',value:'商洛市'}
]
}
</div>
<hr/>
<divclass="jsonArray2">
[
{name:'1',value:'0'},
{name:'6101',value:'西安市'},
{name:'6102',value:'铜川市'},
{name:'6103',value:'宝鸡市'},
{name:'6104',value:'咸阳市'},
{name:'6105',value:'渭南市'},
{name:'6106',value:'延安市'},
{name:'6107',value:'汉中市'},
{name:'6108',value:'榆林市'},
{name:'6109',value:'安康市'},
{name:'6110',value:'商洛市'}
]
</div>
</body>
</html>
<scripttype="text/javascript">
///jQuery解析json字符串
//解析复杂的json数组
$("#jsonBtn").click(function(){
vardata=$(".jsonArray").html();
alert("-----"+data);
vardataObj=eval("("+data+")");//转换为json对象
alert(dataObj.root.length);//输出root的子对象数量
alert(dataObj.json.length);//输出json的子对象数量
//遍历json数组
$.each(dataObj.root,function(i,item){
alert(item.name+"-----root-------"+item.value);
});
//遍历json数组
$.each(dataObj.json,function(i,item){
alert(item.name+"-----json-------"+item.value);
});
});
//解析单个的json数组
$("#jsonArray2").click(function(){
vardata=$(".jsonArray2").html();
alert("-----"+data);
vardataObj=eval("("+data+")");//转换为json对象
alert(dataObj.length);//输出root的子对象数量
//遍历json数组
$.each(dataObj,function(i,item){
alert(item.name+"-----jsonArray-------"+item.value);
});
});
///解析标准的Json串方法一
$("#jsonStr").click(function(){
varjson=$(".jsonText").html();
alert("---2--"+json);
varitem=jQuery.parseJSON(json);
alert(item.nickname);
alert(item.ret);
alert(item.figureurl);
});
///解析标准的Json串，方法二
$("#jsonStr2").click(function(){
varjson=$(".jsonText").html();
alert("---2--"+json);
varobj=eval("("+json+")");
alert(obj.nickname);
alert(obj.ret);
alert(obj.figureurl);
});
</script>
希望本文所述对大家的jQuery程序设计有所帮助。