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Several ways to convert a JS string into a JSON object

Source: Internet
Author: User
Tags eval json tojson
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Instance one,

In JS, the JSON-formatted string is converted to a JSON object, and the key code

The code is as follows Copy Code

JSON = eval (' (' +str+ ') ');

The method is as follows:

The code is as follows Copy Code

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 "/>
<title>json Application </title>
<script type= "Text/javascript" >
function Strtojson (str) {
JSON = eval (' (' +str+ ') ');
return JSON;
}
function Tojson (data) {
JSON = eval (data);
return JSON;
}

JSON data
str = ' {id:1,title: Hello, friend ', Addtime: ' 2010-05-03 '} ';
Strjson = Strtojson (str);
data = {id:2,title: "Hello, haha", addtime: "2010-05-04"};
Json = Tojson (data);

document.write (strjson.id+ "," +strjson.title+ "" +strjson.addtime+ "<br/>");
document.write (json.id+ "," +json.title+ "" +json.addtime+ "<br/>");
</script>
<body>
</body>

Example 2

Using the new function form

The code is as follows Copy Code

function Strtojson (str) {
var json = (new Function ("return" + str)) ();
return JSON;
}

Example 3, using the relevant Json2 plug-in example

  code is as follows copy code

 

<script src=" ... /jquery/jquery-1.5.2.min.js "type=" Text/javascript "></SCRIPT>
    <script src=". /json2.js "type=" Text/javascript ></script>
        var a = ' {' name ' : "Tom", "Sex": "Male", "Age": "a";   //String used to compose JSON;
        alert ("string used to compose JSON:" "+a+" "");
        var b = Json2.parse (a);  //convert string A to JSON format B
         var c = json2.stringify (a); Converts JSON format B to string C
        alert ("Converted string:" "+c+" "");

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Related Keywords:
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