extjs_struts2登陆

js代码

/**
 * ext js 登录
 */


var LoginWindow = Ext.extend(Ext.Window, {
			title : "系统登陆",
			width : 265,
			height : 178,
			collapsible : true,
			defaults : {
				border : false
			},
			buttonAlign : "center",
			createFormPanel : function() {
				return new Ext.form.FormPanel({
					bodyStyle : "padding-top:6px",
					defaultType : "textfield",
					labelAlign : "right",
					labelWidth : 55,
					labelPad : 0,
					frame : true,
					defaults : {
						allowBlank : false,
						width : 158
					},
					items : [{
								cls : "user",
								name : "username",
								fieldLabel : "用户名",
								blankText : "用户名不能为空",
								msgTarget:"side"
							}, {
								cls : "key",
								name : "password",
								fieldLabel : "密码",
								blankText : "密码不能为空",
								inputType : "password",
								msgTarget:"side"
							}, {
								cls : "rand",
								name : "randCode",
								id : "randCode",
								fieldLabel : "验证码",
								width : "80",
								blankText : "验证码不能为空"
							}]
				});
			},
			login : function() {
				this.fp.form.submit({
					waitMsg : "正在登陆......",
					url : "./sys/login/Login.action",
					success : function(form, action) {
						window.location.href = "";
					},
					failure : function(form, action) {
						form.reset();
						if (action.failureType == Ext.form.Action.SERVER_INVALID) {
							Ext.MessageBox
									.alert("警告", action.result.errors.msg);
						}else{
							Ext.MessageBox
									.alert("登陆失败", action.result.message);
						}
					}
				}
				);
			},
			initComponent : function() {
				LoginWindow.superclass.initComponent.call(this);
				this.fp = this.createFormPanel();
				this.add(this.fp);
				this.addButton("登陆", this.login, this);
				this.addButton("重置", function() {
							this.fp.form.reset();
						}, this);
			}
		});

Ext.onReady(function() {

	var win = new LoginWindow();

	win.show();
	var bd = Ext.getDom("randCode");
	var bd2 = Ext.get(bd.parentNode);
	bd2.createChild({
		tag : "img",
		src : "./common/image.jsp",
		align : "absmiddle"
	});

});

struts配置文件

	<constant name="struts.i18n.encoding" value="UTF-8"/>
	<package name="sys" namespace="/sys/login" extends="json-default">
		<action name="Login" class="com.mng.sys.login.LoginAction">
			<result type="json" />
		</action>
	</package>