form表单转Json提交的方法(推荐)

var formArray = $("#form").serializeArray();

function arrayToJson(formArray){  var dataArray = {};  $.each(formArray,function(){    if(dataArray[this.name]){      if(!dataArray[this.name].push){        dataArray[this.name] = [dataArray[this.name]];      }      dataArray[this.name].push(this.value || '');    }else{      dataArray[this.name] = this.value || '';    }  });  return JSON.stringify(dataArray);}