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  • json字符串、json对象、数组 三者之间的转换

     

    json字符串转化成json对象

    // jquery的方法
    var jsonObj = $.parseJSON(jsonStr)
    //js 的方法
    var jsonObj =  JSON.parse(jsonStr)

    json对象转化成json字符串

    //js方法
    var jsonStr1 = JSON.stringify(jsonObj)

    例如

    例如:

    <script type="text/javascript">
            var jsonStr = '[{"id":"01","open":false,"pId":"0","name":"A部门"},{"id":"01","open":false,"pId":"0","name":"A部门"},{"id":"011","open":false,"pId":"01","name":"A部门"},{"id":"03","open":false,"pId":"0","name":"A部门"},{"id":"04","open":false,"pId":"0","name":"A部门"}, {"id":"05","open":false,"pId":"0","name":"A部门"}, {"id":"06","open":false,"pId":"0","name":"A部门"}]';
          //  var jsonObj = $.parseJSON(jsonStr);
          var jsonObj =  JSON.parse(jsonStr)
            console.log(jsonObj)
         var jsonStr1 = JSON.stringify(jsonObj)
         console.log(jsonStr1+"jsonStr1")
        </script>

    json对象转化成数组

    <script type="text/javascript">
            var jsonStr = '[{"id":"01","open":false,"pId":"0","name":"A部门"},{"id":"01","open":false,"pId":"0","name":"A部门"},{"id":"011","open":false,"pId":"01","name":"A部门"},{"id":"03","open":false,"pId":"0","name":"A部门"},{"id":"04","open":false,"pId":"0","name":"A部门"}, {"id":"05","open":false,"pId":"0","name":"A部门"}, {"id":"06","open":false,"pId":"0","name":"A部门"}]';
          //  var jsonObj = $.parseJSON(jsonStr);
          var jsonObj =  JSON.parse(jsonStr)
            console.log(jsonObj)
         var jsonStr1 = JSON.stringify(jsonObj)
         console.log(jsonStr1+"jsonStr1")
         var jsonArr = [];
         for(var i =0 ;i < jsonObj.length;i++){
                jsonArr[i] = jsonObj[i];
         }
         console.log(typeof(jsonArr))
        </script>
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  • 原文地址:https://www.cnblogs.com/xzzzys/p/7567719.html
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