JOSN反串行化

JOSN编码的数据可以使用eval函数生产操作的类型。
<%@ Page Language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <script type="text/javascript">
        var JSONstring = '{' +
            '"artist" : "Phish",' +
            '"title" : "A Picture of Nectar",' +
            '"releaseYear" : 1992,' +
            '"tracks" :  [' +
            ' "Llama",' +
            ' "Eliza",' +
            ' "Cavern",' +
            ' "Poor Heart",' +
            ' "Stash",' +
            ' "Manteca",' +
            ' "Guelah Papyrus",' +
            ' "Magilla",' +
            ' "The Landlady",' +
            ' "Glide",' +
            ' "Tweezer",' +
            ' "The Mango Song",' +
            ' "Chalk Dust Torture",' +
            ' "Faht",' +
            ' "Catapult",' +
            ' "Tweezer Reprise",' +
            ']' +
        '}';

        function pageLoad() {
            var album = eval("(" + JSONstring + ")");
            var innerHTML = "artist = " + album.artist + "<br />" +
                "title = " + album.title + "<br />" +
                "releaseYear = " + album.releaseYear;
            $get('placeholder').innerHTML = innerHTML;

            var tracks = "";
            for (var i = 0; i < album.tracks.length; i++) {
                tracks += "tracks #" + i + " = " + album.tracks[i] + "<br />";
            }

            $get('placeholder2').innerHTML = tracks;
        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:ScriptManager ID="ScriptManager1" runat="server">
        </asp:ScriptManager>
        <div id="placeholder"></div>
        <div id="placeholder2"></div>
    </div>
    </form>
</body>
</html>