$.fn.serializeObject = function(){    var o = {};    var a = this.serializeArray();    $.each(a, function() {        if (o[this.name] !== undefined) {            if (!o[this.name].push) {                o[this.name] = [o[this.name]];            }            o[this.name].push(this.value || ‘‘);        } else {            o[this.name] = this.value || ‘‘;        }    });    return o;};


var jsonObj = $("#form").serializeObject();  //json对象

var jsonStr = JSON.stringify($("#form").serializeObject());  //json字符串

jQuery序列化后的表单值转换成Json