如何序列化表单数据

    $.fn.serializeObject = function()    
    {    
       var o = {};    
       var a = this.serializeArray();    
       $.each(a, function() {    
           if (o[this.name]) {    
               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;    
    };

dataArray = $("form").serializeObject();