js将form表单转成json 

<!DOCTYPE html>
<head></head>
<body>
    <form id="register">
        <input type="text" name="user" value="hpc"><br>
        <input type="text" name="pwd" value="123"><br>
        <input type="text" name="sex" value="M"><br>
        <input type="text" name="age" value="100"><br>
        <input type="text" name="phone" value="13011112222"><br>
        <input type="text" name="email" value="xxx@xxx.com"><br>
    </form><br>
    Jquery 的serialize()方法
    <div id="show">
        
    </div><br>
    Jquery 的serializeArray()方法
    <div id="show2">
        
    </div><br>
    Jquery serializeArray()方法的数据转json
    <div id="show3">
        
    </div>
</body>
<script type="text/javascript" src="jquery-1.7.1.min.js"></script>
<script type="text/javascript">
    var register =$("#register");
    //返回字符串xxx=xxx&yyy=yyy;
    var formData = register.serialize();
    $("#show").html(formData);
    // 返回的是json数组[{xxx:xxx},{yyy:yyy}]
    formData = register.serializeArray();
    $("#show2").html(JSON.stringify(formData));

    //将json数组转为json 对象
    var jsons = transformToJson(formData);
    $("#show3").html(JSON.stringify(jsons));

    // 转为json数据格式
    function transformToJson(formData){
        var obj={}
        for (var i in formData) {
            /*[{"name":"user","value":"hpc"},{"name":"pwd","value":"123"},{"name":"sex","value":"M"},{"name":"age","value":"100"},{"name":"phone","value":"13011112222"},{"name":"email","value":"xxx@xxx.com"}]
            */
            //下标为的i的name做为json对象的key，下标为的i的value做为json对象的value
            obj[formData[i].name]=formData[i]['value'];
        }
        return obj;
    }
</script>

 

posted @ 2018-01-23 12:51  墨.荷  阅读(11426)  评论(0)    收藏  举报