var json = {"@odata.context":"$metadata#AddTableOne_466281s","value":[{"NAME":"李四","BIRTHDAY":"2018-10-03T11:33:50+08:00","AGE":"0","ID":"111111"}]} JSON.stringify(json, null, "\t")
2.
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>js格式化json</title> <script> var formatJson = function (json) { var outStr = ‘‘, //转换后的json字符串 padIdx = 0, //换行后是否增减PADDING的标识 space = ‘ ‘; //4个空格符 if (typeof json !== ‘string‘) { json = JSON.stringify(json); } debugger json = json.replace(/([\{\}\[\]])/g, ‘\r\n$1\r\n‘) .replace(/(\,)/g, ‘$1\r\n‘) .replace(/(\r\n\r\n)/g, ‘\r\n‘); (json.split(‘\r\n‘)).forEach(function (node, index) { var indent = 0, padding = ‘‘; if (node.match(/[\{\[]/)){ indent = 1; }else if (node.match(/[\}\]]/)){ padIdx = padIdx !== 0 ? --padIdx : padIdx; }else{ indent = 0; } for (var i = 0; i < padIdx; i++){ padding += space; } outStr += padding + node + ‘\r\n‘; padIdx += indent; }); return outStr; }; //引用示例部分 //var originalJson = {‘name‘:‘ccy‘,‘age‘:18,‘info‘:[{‘address‘:‘wuhan‘},{‘interest‘:‘playCards‘}]}; var showJson = function(){ var originalJson = document.getElementById(‘inputJson‘).value; console.log(originalJson); //(2)调用formatJson函数,将json格式进行格式化 var resultJson = formatJson(originalJson); document.getElementById(‘out‘).innerHTML = resultJson; } </script> </head> <body> <span style="position:absolute;left:0px;top:20px;font-size: 20px;font-family: ‘微软雅黑‘;color: #2F4F4F;">输入json</span> <textarea style="position:absolute;left:0px;top:80px;width:40%;height:80%;" cols="50" rows="20" id="inputJson"></textarea> <span style="position:absolute;left:55%;top:20px;font-size: 20px;font-family: ‘微软雅黑‘;color: #2F4F4F;">查看结果</span> <textarea style="position:absolute;left:55%;top:80px;width:40%;height:80%;display: " id="out"></textarea> <div style="position:absolute;left:45%;top:12%;width:6%;height:4%;"> <input type="button" value="提交" onclick="showJson();"> </div> </body> </html>
原文：https://www.cnblogs.com/justSmile2/p/11279951.html
