ajax提交url与ajax提交表单的详细比较

                   {
                    alert("必填参数不能为空!")
                   }
                   else if(responseText == 'timeError')
                   {
                     alert("出发时间不能大于报销时间!");
                   }
                   else{ 
                        alert('操作失败！'); 
                     //   window.location.reload();
                    } 
                }catch(e){alert(e.message);} 
        }