pre {outline: 1px solid #ccc; padding: 5px; margin: 5px; }
    .string { color: green; }
    .number { color: darkorange; }
    .boolean { color: blue; }
    .null { color: magenta; }
    .key { color: red; }

    .showinfo{
        position: absolute;
        background-color: #eef1f8;
        width: 200px;
        padding: 5px;
        border-radius: 4px;
        border: 1px solid #ccc;
        display: none;
    }
    .showinfo pre{
        padding: 5px;
        border: 1px solid #ccc;
        margin:0;
    }
    table,th,td{
        border:1px solid blue;
    }


    $(document).ready(function(){
        $(".show-rough").mouseover(function(){
            var left = $(this).offset().left + $(this).width() +20;//计算div显示位置
            var top = $(this).offset().top + 20;
            var _jsonDate = $.parseJSON($(this).text());
            var showJson = syntaxHighlight(_jsonDate);
            $("#show-info").css({"left":left,"top":top}).show();
            $("#show-pre").html(showJson);
        });
        $(".show-rough").mouseout(function(){
            $("#show-info").hide().html();
            $("#show-pre").html();
        })
    });
    //处理json数据，采用正则过滤出不同类型参数
	function syntaxHighlight(json) {
    if (typeof json != 'string') {
        json = JSON.stringify(json, undefined, 2);
    }
    json = json.replace(/&/g, '&').replace(/, '/g, '>');
    return json.replace(/("(\u[a-zA-Z0-9]{4}|\[^u]|[^\"])*"(s*:)?|b(true|false|null)b|-?d+(?:.d*)?(?:[eE][+-]?d+)?)/g, function(match) {
        var cls = 'number';
        if (/^"/.test(match)) {
            if (/:$/.test(match)) {
                cls = 'key';
            } else {
                cls = 'string';
            }
        } else if (/true|false/.test(match)) {
            cls = 'boolean';
        } else if (/null/.test(match)) {
            cls = 'null';
        }
        return '' + match + '';
    });
};