struts2中struts.xml配置文件详解【未整理】
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<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<!-- struts2的action必须放在一个指定的包空间下定义 -->
<package name="default" extends="struts-default">
<!-- 定义处理请求URL为login.action的Action -->
<action name="login" class="org.qiujy.web.struts.action.LoginAction">
<!-- 定义处理结果字符串和资源之间的映射关系 -->
<result name="success">/success.jsp</result>
<result name="error">/error.jsp</result>
</action>
</package>
</struts>
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<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<!-- struts2的action必须放在一个指定的包空间下定义 -->
<package name="qiujy" extends="struts-default">
<!-- 定义处理请求URL为login.action的Action -->
<action name="login" class="org.qiujy.web.struts2.action.LoginAction">
<!-- 定义处理结果字符串和资源之间的映射关系 -->
<result name="success">/success.jsp</result>
<result name="error">/error.jsp</result>
</action>
</package>
<package name="my" extends="struts-default" namespace="/manage">
<!-- 定义处理请求URL为login.action的Action -->
<action name="backLogin" class="org.qiujy.web.struts2.action.LoginAction">
<!-- 定义处理结果字符串和资源之间的映射关系 -->
<result name="success">/success.jsp</result>
<result name="error">/error.jsp</result>
</action>
</package></struts>
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<struts>
<include file="struts-default.xml"/>
<include file="struts-user.xml"/>
<include file="struts-book.xml"/>
<include file="struts-shoppingCart.xml"/>
......
</struts>
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<struts>
......
<constant name="struts.custom.i18n.resources" value="messages"/>
</struts>
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package org.qiujy.web.struts2.action;
import com.opensymphony.xwork2.ActionSupport;
/**
*@authorqiujy
*@version1.0
*/
publicclass LoginAction extends ActionSupport{
private String userName;
private String password;
private String msg; //结果信息属性
/**
*@returnthemsg
*/
public String getMsg() {
returnmsg;
}
/**
*@parammsgthemsgtoset
*/
publicvoid setMsg(String msg) {
this.msg = msg;
}
/**
*@returntheuserName
*/
public String getUserName() {
returnuserName;
}
/**
*@paramuserNametheuserNametoset
*/
publicvoid setUserName(String userName) {
this.userName = userName;
}
/**
*@returnthepassword
*/
public String getPassword() {
returnpassword;
}
/**
*@parampasswordthepasswordtoset
*/
publicvoid setPassword(String password) {
this.password = password;
}
/**
*处理用户请求的excute()方法
*@return结果导航字符串
*@throwsException
*/
public String execute() throws Exception{
if("test".equals(this.userName) &&
"test".equals(this.password)){
msg = "登录成功,欢迎" + this.userName;
returnthis.SUCCESS;
}else{
msg = "登录失败,用户名或密码错";
returnthis.ERROR;
}
}
}
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public String execute() throws Exception{
if("test".equals(this.userName) && "test".equals(this.password)){
msg = "登录成功,欢迎" + this.userName;
//获取ActionContext实例,通过它来访问Servlet API
ActionContext context = ActionContext.getContext();
//看session中是否已经存放了用户名,如果存放了:说明已经登录了;
//否则说明是第一次登录成功
if(null != context.getSession().get("uName")){
msg = this.userName + ":你已经登录过了!!!";
}else{
context.getSession().put("uName", this.userName);
}
returnthis.SUCCESS;
}else{
msg = "登录失败,用户名或密码错";
returnthis.ERROR;
}
}
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| <form method="post" action="userOpt!login.action"> |
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package org.qiujy.web.struts2.action;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
/**
*@authorqiujy
*@version1.0
*/
publicclass LoginAction extends ActionSupport{
private String userName;
private String password;
private String msg; //结果信息属性
/**
*@returnthemsg
*/
public String getMsg() {
returnmsg;
}
/**
*@parammsgthemsgtoset
*/
publicvoid setMsg(String msg) {
this.msg = msg;
}
/**
*@returntheuserName
*/
public String getUserName() {
returnuserName;
}
/**
*@paramuserNametheuserNametoset
*/
publicvoid setUserName(String userName) {
this.userName = userName;
}
/**
*@returnthepassword
*/
public String getPassword() {
returnpassword;
}
/**
*@parampasswordthepasswordtoset
*/
publicvoid setPassword(String password) {
this.password = password;
}
/**
*处理用户请求的login()方法
*@return结果导航字符串
*@throwsException
*/
public String login() throws Exception{
if("test".equals(this.userName) && "test".equals(this.password)){
msg = "登录成功,欢迎" + this.userName;
//获取ActionContext实例,通过它来访问Servlet API
ActionContext context = ActionContext.getContext();
//看session中是否已经存放了用户名,如果存放了:说明已经登录了;
//否则说明是第一次登录成功
if(null != context.getSession().get("uName")){
msg = this.userName + ":你已经登录过了!!!";
}else{
context.getSession().put("uName", this.userName);
}
returnthis.SUCCESS;
}else{
msg = "登录失败,用户名或密码错";
returnthis.ERROR;
}
}
public String regist() throws Exception{
//将用户名,密码添加到数据库中
//...
msg = "注册成功。";
returnthis.SUCCESS;
}
}
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<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="my" extends="struts-default" namespace="/manage">
<!-- 定义处理请求URL为login.action的Action -->
<action name="userOpt" class="org.qiujy.web.struts2.action.LoginAction">
<!-- 定义处理结果字符串和资源之间的映射关系 -->
<result name="success">/success.jsp</result>
<result name="error">/error.jsp</result>
</action>
</package>
</struts>
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<%@ page language="java" pageEncoding="UTF-8"%>
<html>
<head>
<title>用户登录页面</title>
</head>
<body>
<h2>用户入口</h2>
<hr>
<form action="manage/userOpt!login.action" method="post">
<table border="1">
<tr>
<td>用户名:</td>
<td><input type="text" name="userName"/></td>
</tr>
<tr>
<td>密码:</td>
<td><input type="password" name="password"/></td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value=" 确定 "/>
</td>
</tr>
</table>
</form>
</body>
</html>
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<%@ page language="java" pageEncoding="UTF-8"%>
<html>
<head>
<title>用户注册页面</title>
</head>
<body>
<h2>用户注册</h2>
<hr>
<form action="manage/userOpt!regist.action" method="post">
<table border="1">
<tr>
<td>用户名:</td>
<td><input type="text" name="userName"/></td>
</tr>
<tr>
<td>密码:</td>
<td><input type="password" name="password"/></td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value=" 注册 "/>
</td>
</tr>
</table>
</form>
</body>
</html>
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<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="my" extends="struts-default" namespace="/manage">
<action name="userLogin" class="org.qiujy.web.struts2.action.LoginAction" method="login">
<result name="success">/success.jsp</result>
<result name="error">/error.jsp</result>
</action>
<action name="userRegist" class="org.qiujy.web.struts2.action.LoginAction"method="regist">
<result name="success">/success.jsp</result>
<result name="error">/error.jsp</result>
</action>
</package>
</struts>
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<action name="user_*"
class="org.qiujy.web.struts2.action.UserAction" method="{1}">
<result name="success">/success.jsp</result>
<result name="error">/error.jsp</result>
</action>
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<global-results>
<result name="error">/Error.jsp</result>
<result name="invalid.token">/Error.jsp</result>
<result name="login" type="redirect-action">Logon!input</result>
</global-results>
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| 名字 | 说明 |
| chain | 用来处理Action链 |
| dispatcher | 用来转向页面,通常处理JSP,这是默认的结果类型 |
| freeMarker | 处理FreeMarker模板 |
| httpHeader | 用来控制特殊的Http行为 |
| redirect | 重定向到一个URL |
| redirect-action | 重定向到一个Action |
| stream | 向浏览器发送InputSream对象,通常用来处理文件下载 |
| velocity | 处理Velocity模板 |
| xslt | 处理XML/XLST模板 |
| plaintext | 显示原始文件内容,例如文件源代码 |
| tiles | 结合Tile使用 |
|
private String nextAction;
public String getNextAction() {
return nextAction;
}
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<action name="fragment" class="FragmentAction">
<result name="next" type="redirect-action">${nextAction}</result>
</action>
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package org.qiujy.domain;
publicclass User {
private String userName;
private String password;
/**
*@returntheuserName
*/
public String getUserName() {
returnuserName;
}
/**
*@paramuserNametheuserNametoset
*/
publicvoid setUserName(String userName) {
this.userName = userName;
}
/**
*@returnthepassword
*/
public String getPassword() {
returnpassword;
}
/**
*@parampasswordthepasswordtoset
*/
publicvoid setPassword(String password) {
this.password = password;
}
}
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package org.qiujy.web.struts2.action;
import org.qiujy.domain.User;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
publicclass UserAction extends ActionSupport{
//定义用于封装请求参数的模型对象
private User user = new User();
private String msg; //结果信息属性
/**
*@returntheuser
*/
public User getUser() {
returnuser;
}
/**
*@paramusertheusertoset
*/
publicvoid setUser(User user) {
this.user = user;
}
/**
*@returnthemsg
*/
public String getMsg() {
returnmsg;
}
/**
*@parammsgthemsgtoset
*/
publicvoid setMsg(String msg) {
this.msg = msg;
}
/**
*处理用户请求的login()方法
*@return结果导航字符串
*@throwsException
*/
public String login() throws Exception{
String userName = user.getUserName();
String password = user.getPassword();
if("test".equals(userName) && "test".equals(password)){
msg = "登录成功,欢迎" + userName;
//获取ActionContext实例,通过它来访问Servlet API
ActionContext context = ActionContext.getContext();
//看session中是否已经存放了用户名,如果存放了:说明已经登录了;否则说明是第一次登录成功
if(null != context.getSession().get("uName")){
msg = userName + ":你已经登录过了!!!";
}else{
context.getSession().put("uName", userName);
}
returnthis.SUCCESS;
}else{
msg = "登录失败,用户名或密码错";
returnthis.ERROR;
}
}
public String regist() throws Exception{
//将用户名,密码添加到数据库中
//...
msg = "注册成功。";
returnthis.SUCCESS;
}
}
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|
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="my" extends="struts-default" namespace="/manage">
<action name="userOpt" class="org.qiujy.web.struts2.action.UserAction">
<result name="success">/success.jsp</result>
<result name="error">/error.jsp</result>
</action>
</package>
</struts>
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<%@ page language="java" pageEncoding="UTF-8"%>
<html>
<head>
<title>用户登录页面</title>
</head>
<body>
<h2>用户入口</h2>
<hr>
<form action="manage/userOpt!login.action" method="post">
<table border="1">
<tr>
<td>用户名:</td>
<td><input type="text" name="user.userName"/></td>
</tr>
<tr>
<td>密码:</td>
<td><input type="password" name="user.password"/></td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value=" 确定 "/>
</td>
</tr>
</table>
</form>
</body>
</html>
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public String regist() throws Exception{
//将用户名,密码添加到数据库中
//...
//msg = "注册成功。";
if(true){
throw new java.sql.SQLException("没有数据库驱动程序");
}
return this.SUCCESS;
}
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<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="my" extends="struts-default" namespace="/manage">
<!-- 定义全局处理结果 -->
<global-results>
<!-- 逻辑名为sql的结果,映射到/exception.jsp页面 -->
<result name="sql">/exception.jsp</result>
</global-results>
<global-exception-mappings>
<!-- 当Action抛出SQLException异常时,转入名为sql的结果 -->
<exception-mapping exception="java.sql.SQLException" result="sql"/>
</global-exception-mappings>
<action name="userOpt" class="org.qiujy.web.struts2.action.UserAction">
<result name="success">/success.jsp</result>
<result name="error">/error.jsp</result>
</action>
</package>
</struts>
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<%@ page language="java" pageEncoding="utf-8"%>
<%@ taglib uri="/struts-tags" prefix="s" %>
<html>
<head>
<title>异常信息</title>
</head>
<body>
<h2>
出现异常啦
</h2>
<hr/>
<h3 style="color:red">
<!-- 获得异常对象 -->
<s:property value="exception.message"/>
</h3>
<br/>
<!-- 异常堆栈信息 -->
<s:property value="exceptionStack"/>
</html>
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