json数据与字符串的相互转化示例

json转成string[需要引用json2.js文件]：

复制代码 代码如下:

var arr=[{id:'id',name:'Spring'},{id:'id2',name:'Jane'}];
var str=JSON.stringify(arr);

结果："[{id:'id',name:'Spring'},{id:'id2',name:'Jane'}]"

string转化为json:

复制代码 代码如下:

var str="[{id:'id',name:'Spring'},{id:'id2',name:'Jane'}]";
var json=$.parseJSON(str);

结果：[{id:'id',name:'Spring'},{id:'id2',name:'Jane'}]

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