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刚刚学习extjs,求解

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[已关闭问题] 关闭于 2015-07-21 10:03

<!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>
    <title>无废话ExtJs 入门教程七[登陆窗体Demo:Login] - 李林峰的园子 - 博客园_files</title>
    <!--ExtJs框架开始-->
    <script type="text/javascript" src="../js/ext-base.js"></script>
    <script type="text/javascript" src="../js/ext-all.js"></script>
    <link rel="stylesheet" type="text/css" href="../css/ext-all.css" />
    <style type="text/css">
        .loginicon
        {
            background-image: url(../images/login.gif) !important;
        }
    </style>
    <!--ExtJs框架结束-->
    <script type="text/javascript">
        Ext.onReady(function () {
            //初始化标签中的Ext:Qtip属性。
            Ext.QuickTips.init();
            Ext.form.Field.prototype.msgTarget = 'side';
            //提交按钮处理方法
            var btnsubmitclick = function () {
                if (form.getForm().isValid()) {
                    //通常发送到服务器端获取返回值再进行处理,我们在以后的教程中再讲解表单与服务器的交互问题。
                    Ext.Msg.alert("提示", "登陆成功!");
                }
            }
            //重置按钮"点击时"处理方法
            var btnresetclick = function () {
                form.getForm().reset();
            }
            //提交按钮
            var btnsubmit = new Ext.Button({
                text: '提 交',
                handler: btnsubmitclick
            });
            //重置按钮
            var btnreset = new Ext.Button({
                text: '重 置',
                handler: btnresetclick
            });
            //用户名input
            var txtusername = new Ext.form.TextField({
                width: 140,
                allowBlank: false,
                maxLength: 20,
                name: 'username',
                fieldLabel: '用户名',
                blankText: '请输入用户名',
                maxLengthText: '用户名不能超过20个字符'
            });
            //密码input
            var txtpassword = new Ext.form.TextField({
                width: 140,
                allowBlank: false,
                maxLength: 20,
                inputType: 'password',
                name: 'password',
                fieldLabel: '密 码',
                blankText: '请输入密码',
                maxLengthText: '密码不能超过20个字符'
            });
            //验证码input
            var txtcheckcode = new Ext.form.TextField({
                fieldLabel: '验证码',
                id: 'checkcode',
                allowBlank: false,
                width: 76,
                blankText: '请输入验证码!',
                maxLength: 4,
                maxLengthText: '验证码不能超过4个字符!'
            });
            //表单
            var form = new Ext.form.FormPanel({
                url: '******',
                labelAlign: 'right',
                labelWidth: 45,
                frame: true,
                cls: 'loginform',
                buttonAlign: 'center',
                bodyStyle: 'padding:6px 0px 0px 15px',
                items: [txtusername, txtpassword, txtcheckcode],
                buttons: [btnsubmit, btnreset]
            });
            //窗体
            var win = new Ext.Window({
                title: '用户登陆',
                iconCls: 'loginicon',
                plain: true,
                width: 276,
                height: 174,
                resizable: false,
                shadow: true,
                modal: true,
                closable: false,
                animCollapse: true,
                items: form
            });
            win.show();
            //创建验证码
            var checkcode = Ext.getDom('checkcode');
            var checkimage = Ext.get(checkcode.parentNode);
            checkimage.createChild({
                tag: 'img',
                src: '../images/checkcode.gif',
                align: 'absbottom',
                style: 'padding-left:23px;cursor:pointer;'
            });
        });
    </script>
</head>
<body>
<!--
说明:
(1)88行,iconCls: 'loginicon':给窗体加上小图标,样式在第12行定义。
(2)Ext.getDom('checkcode'):根据ID获取Dom。
(3)Ext.get(checkcode.parentNode):根据Dom获取父节点。
(4)checkimage.createChild():创建子节点,标签为<img src='image/checkcode.gif'..../>。
(5)form.getForm().isValid():校验表单的验证项是否全部通过。
(6)form.getForm().reset():重置表单。
-->
</body>
</html>

 

应该是有提示的,可是不出来

雪夜舞者J的主页 雪夜舞者J | 初学一级 | 园豆:45
提问于:2015-07-17 14:10
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所有回答(1)
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自己已经解决了

雪夜舞者J | 园豆:45 (初学一级) | 2015-07-21 10:02
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