Ext与Struts2结合使用
Ext js2.2登陆（struts2+json）方法
1、struts2类包
Commons-logging-1.0.4.jar
Freemarker-2.3.12.jar
Ognl-2.6.11.jar
Struts2-core-2.1.2.jar
Xwork-2.1.1.jar
Commons-fileupload-1.2.1.jar
Commons-io-1.3.2.jar
2、web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.FilterDispatcher
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
3、struts.xml
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="user" extends="struts-default">
<action name="login" class="org.ext.service.loginAction">
<result name="success">jsondate.jsp</result>
</action>
</package>
</struts>
4、login.jsp
<%@ page language="java" pageEncoding="gbk"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>wayfoon</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<link rel="stylesheet" type="text/css" href="./ext/css/ext-all.css">
<script type="text/javascript" src="./ext/js/ext-base.js"></script>
<script type="text/javascript" src="./ext/js/ext-all.js"></script>
<script type="text/javascript" src="./ext/js/ext-lang-zh_CN.js"></script>
<style type="text/css">
.user {
background: url(./images/user.gif) no-repeat 1px 2px;
}
.key {
background: url(images/key.gif) no-repeat 1px 2px;
}
.key,.user {
background-color: #FFFFFF;
padding-left: 20px;
font-weight: bold;
color: #000033;
}
</style>
<script type="text/javascript">
Ext.onReady(function() {
// 开启表单提示
Ext.QuickTips.init();
// 设置提示信息位置为边上
Ext.form.Field.prototype.msgTarget = 'side';
var win = new Ext.Window({
id : 'login-win',
title : '登陆',
iconCls : 'tabs',
width : 300,
height : 120,
collapsible : true,
plain : true,
// 初始化表单面板
items : new Ext.form.FormPanel({
id : 'login-form',
labelWidth : 50, // 默认标签宽度板
labelAlign : 'right',
buttonAlign : 'center',
// 不设置该值，表单将保持原样，设置后表单与窗体完全融合
baseCls : 'header',
layout : 'form',
defaults : {
width : 200
},
// 默认字段类型
defaultType : 'textfield',
items : [{
name: 'username',
cls: 'user',
fieldLabel : '账号',
allowBlank : false,
blankText:'帐户不能为空'//错误提示内容
// 禁止为空
}, {
name : 'password',
inputType : 'password',
fieldLabel : '密码',
cls:'key',
allowBlank : false,
blankText:'密码不能为空'
}],
// 初始化按钮
buttons : [{
text : '登陆',
type : 'submit',
handler : function() {
var but = this;
but.setDisabled(true);
this.setText('正在登陆');
Ext.getCmp('login-form').getForm().submit({
waitMsg : '正在登录 ',
url : 'login.action',
method : 'POST',
success : function(form, action) {
Ext.Msg.alert('信息','成功');
but.setDisabled(false);
},
failure : function() {
Ext.Msg.alert('信息','失败');
but.setText("登陆");
but.setDisabled(false);
}
});
}
},{
text: '取消',
handler:function(){Ext.getCmp('login-form').getForm().reset();}//重置表单
}]
})
});
// 将窗口显示出来
win.show();
});
</script>
</head>
<body>
</body>
</html>
4.1 html、js分离模式
Login.jsp源码
<%@ page language="java" pageEncoding="gbk"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>wayfoon</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<link rel="stylesheet" type="text/css" href="./ext/css/ext-all.css">
<script type="text/javascript" src="./ext/js/ext-base.js"></script>
<script type="text/javascript" src="./ext/js/ext-all.js"></script>
<script type="text/javascript" src="./ext/js/ext-lang-zh_CN.js"></script>
<script type="text/javascript" src="./js/login.js"></script>
<style type="text/css">
.user {
background: url(./images/user.gif) no-repeat 1px 2px;
}
.key {
background: url(images/key.gif) no-repeat 1px 2px;
}
.key,.user {
background-color: #FFFFFF;
padding-left: 20px;
font-weight: bold;
color: #000033;
}
</style>
</head>
<body>
</body>
</html>
Login.js源码
Ext.onReady(function() {
// 开启表单提示
Ext.QuickTips.init();
// 设置提示信息位置为边上
Ext.form.Field.prototype.msgTarget = 'side';
var win = new Ext.Window({
id : 'login-win',
title : '登陆',
iconCls : 'tabs',
width : 300,
height : 120,
collapsible : true,
plain : true,
// 初始化表单面板
items : new Ext.form.FormPanel({
id : 'login-form',
labelWidth : 50, // 默认标签宽度板
labelAlign : 'right',
buttonAlign : 'center',
// 不设置该值，表单将保持原样，设置后表单与窗体完全融合
baseCls : 'header',
layout : 'form',
defaults : {
width : 200
},
// 默认字段类型
defaultType : 'textfield',
items : [{
name: 'username',
cls: 'user',
fieldLabel : '账号',
allowBlank : false,
blankText:'帐户不能为空'//错误提示内容
// 禁止为空
}, {
name : 'password',
inputType : 'password',
fieldLabel : '密码',
cls:'key',
allowBlank : false,
blankText:'密码不能为空'
}],
// 初始化按钮
buttons : [{
text : '登陆',
type : 'submit',
handler : function() {
var but = this;
but.setDisabled(true);
this.setText('正在登陆');
Ext.getCmp('login-form').getForm().submit({
waitMsg : '正在登录 ',
url : 'login.action',
method : 'POST',
success : function(form, action) {
Ext.Msg.alert('信息','成功');
window.location.href ='main.jsp';
but.setDisabled(false);
},
failure : function() {
Ext.Msg.alert('信息','失败');
but.setText("登陆");
but.setDisabled(false);
}
});
}
},{
text: '取消',
handler:function(){Ext.getCmp('login-form').getForm().reset();}//重置表单
}]
})
});
// 将窗口显示出来
win.show();
});
5、jsondate.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<s:property value="jsondate" escape="false"/>
6、loginAction.java
package org.ext.service;
public class loginAction {
private String username;
private String password;
private String jsondate="";
public String getUsername() {
return username;
}
public String getJsondate() {
return jsondate;
}
public void setJsondate(String jsondate) {
this.jsondate = jsondate;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String execute() throws Exception
{
if(username.equals("zjw") && password.equals("1234"))
{
this.jsondate="{success:true}";
}
else {
this.jsondate="{failure : true}";
}
return "success";
}
}
1、struts2类包
Commons-logging-1.0.4.jar
Freemarker-2.3.12.jar
Ognl-2.6.11.jar
Struts2-core-2.1.2.jar
Xwork-2.1.1.jar
Commons-fileupload-1.2.1.jar
Commons-io-1.3.2.jar
2、web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.FilterDispatcher
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
3、struts.xml
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="user" extends="struts-default">
<action name="login" class="org.ext.service.loginAction">
<result name="success">jsondate.jsp</result>
</action>
</package>
</struts>
4、login.jsp
<%@ page language="java" pageEncoding="gbk"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>wayfoon</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<link rel="stylesheet" type="text/css" href="./ext/css/ext-all.css">
<script type="text/javascript" src="./ext/js/ext-base.js"></script>
<script type="text/javascript" src="./ext/js/ext-all.js"></script>
<script type="text/javascript" src="./ext/js/ext-lang-zh_CN.js"></script>
<style type="text/css">
.user {
background: url(./images/user.gif) no-repeat 1px 2px;
}
.key {
background: url(images/key.gif) no-repeat 1px 2px;
}
.key,.user {
background-color: #FFFFFF;
padding-left: 20px;
font-weight: bold;
color: #000033;
}
</style>
<script type="text/javascript">
Ext.onReady(function() {
// 开启表单提示
Ext.QuickTips.init();
// 设置提示信息位置为边上
Ext.form.Field.prototype.msgTarget = 'side';
var win = new Ext.Window({
id : 'login-win',
title : '登陆',
iconCls : 'tabs',
width : 300,
height : 120,
collapsible : true,
plain : true,
// 初始化表单面板
items : new Ext.form.FormPanel({
id : 'login-form',
labelWidth : 50, // 默认标签宽度板
labelAlign : 'right',
buttonAlign : 'center',
// 不设置该值，表单将保持原样，设置后表单与窗体完全融合
baseCls : 'header',
layout : 'form',
defaults : {
width : 200
},
// 默认字段类型
defaultType : 'textfield',
items : [{
name: 'username',
cls: 'user',
fieldLabel : '账号',
allowBlank : false,
blankText:'帐户不能为空'//错误提示内容
// 禁止为空
}, {
name : 'password',
inputType : 'password',
fieldLabel : '密码',
cls:'key',
allowBlank : false,
blankText:'密码不能为空'
}],
// 初始化按钮
buttons : [{
text : '登陆',
type : 'submit',
handler : function() {
var but = this;
but.setDisabled(true);
this.setText('正在登陆');
Ext.getCmp('login-form').getForm().submit({
waitMsg : '正在登录 ',
url : 'login.action',
method : 'POST',
success : function(form, action) {
Ext.Msg.alert('信息','成功');
but.setDisabled(false);
},
failure : function() {
Ext.Msg.alert('信息','失败');
but.setText("登陆");
but.setDisabled(false);
}
});
}
},{
text: '取消',
handler:function(){Ext.getCmp('login-form').getForm().reset();}//重置表单
}]
})
});
// 将窗口显示出来
win.show();
});
</script>
</head>
<body>
</body>
</html>
4.1 html、js分离模式
Login.jsp源码
<%@ page language="java" pageEncoding="gbk"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>wayfoon</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<link rel="stylesheet" type="text/css" href="./ext/css/ext-all.css">
<script type="text/javascript" src="./ext/js/ext-base.js"></script>
<script type="text/javascript" src="./ext/js/ext-all.js"></script>
<script type="text/javascript" src="./ext/js/ext-lang-zh_CN.js"></script>
<script type="text/javascript" src="./js/login.js"></script>
<style type="text/css">
.user {
background: url(./images/user.gif) no-repeat 1px 2px;
}
.key {
background: url(images/key.gif) no-repeat 1px 2px;
}
.key,.user {
background-color: #FFFFFF;
padding-left: 20px;
font-weight: bold;
color: #000033;
}
</style>
</head>
<body>
</body>
</html>
Login.js源码
Ext.onReady(function() {
// 开启表单提示
Ext.QuickTips.init();
// 设置提示信息位置为边上
Ext.form.Field.prototype.msgTarget = 'side';
var win = new Ext.Window({
id : 'login-win',
title : '登陆',
iconCls : 'tabs',
width : 300,
height : 120,
collapsible : true,
plain : true,
// 初始化表单面板
items : new Ext.form.FormPanel({
id : 'login-form',
labelWidth : 50, // 默认标签宽度板
labelAlign : 'right',
buttonAlign : 'center',
// 不设置该值，表单将保持原样，设置后表单与窗体完全融合
baseCls : 'header',
layout : 'form',
defaults : {
width : 200
},
// 默认字段类型
defaultType : 'textfield',
items : [{
name: 'username',
cls: 'user',
fieldLabel : '账号',
allowBlank : false,
blankText:'帐户不能为空'//错误提示内容
// 禁止为空
}, {
name : 'password',
inputType : 'password',
fieldLabel : '密码',
cls:'key',
allowBlank : false,
blankText:'密码不能为空'
}],
// 初始化按钮
buttons : [{
text : '登陆',
type : 'submit',
handler : function() {
var but = this;
but.setDisabled(true);
this.setText('正在登陆');
Ext.getCmp('login-form').getForm().submit({
waitMsg : '正在登录 ',
url : 'login.action',
method : 'POST',
success : function(form, action) {
Ext.Msg.alert('信息','成功');
window.location.href ='main.jsp';
but.setDisabled(false);
},
failure : function() {
Ext.Msg.alert('信息','失败');
but.setText("登陆");
but.setDisabled(false);
}
});
}
},{
text: '取消',
handler:function(){Ext.getCmp('login-form').getForm().reset();}//重置表单
}]
})
});
// 将窗口显示出来
win.show();
});
5、jsondate.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<s:property value="jsondate" escape="false"/>
6、loginAction.java
package org.ext.service;
public class loginAction {
private String username;
private String password;
private String jsondate="";
public String getUsername() {
return username;
}
public String getJsondate() {
return jsondate;
}
public void setJsondate(String jsondate) {
this.jsondate = jsondate;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String execute() throws Exception
{
if(username.equals("zjw") && password.equals("1234"))
{
this.jsondate="{success:true}";
}
else {
this.jsondate="{failure : true}";
}
return "success";
}
}