struts2基本配置（登录页面）
1、新建web项目TestStruts2。
2、添加5个核心依赖
commons-logging-1.0.4.jar；
freemarker-2.3.15.jar；
ognl-2.7.3.jar；
struts2-core-2.1.8.1.jar；
xwork-core-2.1.6.jar；
commons-fileupload-1.2.1.jar(非核心，但必须不引人启动报错);
3、src目录下增加struts2.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="struts2" extends="struts-default">
<action name="login" class="com.limf.action.LoginAction">
<result name="success">/main.jsp</result>
</action>
</package>
</struts>
4、web.xml增加filter
<?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>
</web-app>
5、src下增加com.limf.action包，添加LoginAction.java
package com.limf.actin;
public class LoginAction
{
private String userName;
private String password;
public String getUserName() {
return userName;
}
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
{
return "success";
}
}
6、WebRoot下增加login.jsp
<%@ page language="java" pageEncoding="gbk"%>
<html>
<body>
<form action="login.action" method="post">
<p>userName <input type="text" name="userName"/><p>
<p>password <input type="password" name="password"/><p>
<p><input type="submit" value="提交"/></p>
</form>
</body>
</html>
7、WebRoot下增加main.jsp(登录成功后转向的页面)
<%@ page language="java" pageEncoding="ISO-8859-1"%>
<html>
<body>
<div>userName:<%=request.getParameter("userName") %></div>
<div>password:<%=request.getParameter("password") %></div>
</body>
</html>
8、输入http://localhost:8080/TestStruts2/login.jsp
2、添加5个核心依赖
commons-logging-1.0.4.jar；
freemarker-2.3.15.jar；
ognl-2.7.3.jar；
struts2-core-2.1.8.1.jar；
xwork-core-2.1.6.jar；
commons-fileupload-1.2.1.jar(非核心，但必须不引人启动报错);
3、src目录下增加struts2.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="struts2" extends="struts-default">
<action name="login" class="com.limf.action.LoginAction">
<result name="success">/main.jsp</result>
</action>
</package>
</struts>
4、web.xml增加filter
<?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>
</web-app>
5、src下增加com.limf.action包，添加LoginAction.java
package com.limf.actin;
public class LoginAction
{
private String userName;
private String password;
public String getUserName() {
return userName;
}
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
{
return "success";
}
}
6、WebRoot下增加login.jsp
<%@ page language="java" pageEncoding="gbk"%>
<html>
<body>
<form action="login.action" method="post">
<p>userName <input type="text" name="userName"/><p>
<p>password <input type="password" name="password"/><p>
<p><input type="submit" value="提交"/></p>
</form>
</body>
</html>
7、WebRoot下增加main.jsp(登录成功后转向的页面)
<%@ page language="java" pageEncoding="ISO-8859-1"%>
<html>
<body>
<div>userName:<%=request.getParameter("userName") %></div>
<div>password:<%=request.getParameter("password") %></div>
</body>
</html>
8、输入http://localhost:8080/TestStruts2/login.jsp