我想用EXTJS请求1.txt,请求成功则输出“成功”,请求失败则输出“失败”,但不知怎么的,最近一直在输出“失败”。大家能不能帮我看下这段代码有什么问题?谢谢了!1.txt,是与本文件处于同一目录下的文件,里面的内容为空。表单提交测试1.aspx.cs里面没有加代码<%@ Page Language="C#" AutoEventWireup="true" CodeFile="表单提交测试1.aspx.cs" Inherits="表单提交测试1" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>表单提交测试1</title>
    <link rel="Stylesheet" type="text/css" href="Ext/resources/css/ext-all.css" />
    <script language="javascript" type="text/javascript" src="Ext/adapter/ext/ext-base.js"></script>
    <script language="javascript" type="text/javascript" src="Ext/ext-all.js"></script>
    <script language="javascript" type="text/javascript">
        Ext.onReady(function () {
            var form1 = new Ext.form.FormPanel({
                defaultType: "textfield",
                labelAlign: "right",
                title: "表单测试",
                labelWidth: 50,
                buttonAlign: "center",
                frame: true,
                width: 220,
                items: [{ fieldLabel: "文本框", xtype: "textfield", id: "tttt" },
                        { xtype: "button", text: "点击", id: "bbbb",
                            listeners: { "click": function () {
                                Ext.Ajax.request({
                                    url: "1.txt",
                                    success: function (response,aaa) { alert("成功"); },
                                    failure: function () { alert("失败"); }
                                });
                            } 
                            }
                        }                ]            });
            form1.render("formaa");
        });
    </script>
</head>
<body>
    <div id="formaa">
    
    </div>
</body>
</html>