Struts 版本号 struts-2.3.16.3
web.xml 配置
<?xml version=”1.0″ encoding=”UTF-8″?>
<web-app version=”3.0″
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_3_0.xsd”> <display-name>Struts Blank</display-name> <filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
<init-param>
<param-name>struts.custom.i18n.resources</param-name>
<param-value>mess</param-value>
</init-param>
</filter> <filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>login.jsp</welcome-file>
</welcome-file-list> </web-app>
structs.xml 配置
<?xml version=”1.0″ encoding=”UTF-8″ ?>
<!DOCTYPE struts PUBLIC
“-//Apache Software Foundation//DTD Struts Configuration 2.3//EN”
“http://struts.apache.org/dtds/struts-2.3.dtd”> <struts>
<constant name=”struts.custom.i18n.resources” value=”mess”></constant> <constant name=”struts.i18n.encoding” value=”UTF-8″></constant>
<package name=”ge” namespace=”/” extends=”struts-default”>
<action name=”login” class=”ge.LoginAction”>
<result name=”input”>/login.jsp</result>
<result name=”error”>/error.jsp</result>
<result name=”success”>/welcome.jsp</result>
</action>
</package> </struts>
mess.properties 配置
loginPage=登陆页面
errorpage=错误页面
succPage=成功页面
failTip=对不起，您不能登陆
succTip=欢迎，{0},您已登陆
user=用户名
pass=密码
login=登陆
LoginAction 类
package ge; import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport; public class LoginAction extends ActionSupport { 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{
if(getUsername().equals(“ge”) && getPassword().equals(“1″)){
ActionContext.getContext().getSession().put(“user”, getUsername());
return SUCCESS;
}else{
return ERROR;
}
}
}
welcome.jsp
<%@ page language=”java” contentType=”text/html; charset=UTF-8″
pageEncoding=”UTF-8″%>
<%@taglib prefix=”s” uri=”/struts-tags”%>
<!DOCTYPE html PUBLIC “-//W3C//DTD HTML 4.01 Transitional//EN” “http://www.w3.org/TR/html4/loose.dtd”>
<html>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=UTF-8″>
<title><s:text name=”succPage”></s:text></title>
</head>
<body>
登陆成功
</body>
</html>
login.jsp
<%@page language=”java” contentType=”text/html; charset=UTF-8″ pageEncoding=”UTF-8″%>
<%@taglib prefix=”s” uri=”/struts-tags”%>
<!DOCTYPE html PUBLIC “-//W3C//DTD HTML 4.01 Transitional//EN” “http://www.w3.org/TR/html4/loose.dtd”>
<html>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=UTF-8″>
<title><s:text name=”loginPage”/></title>
</head>
<body>
<s:form action=”login” method=”post” namespace=”/”>
<s:textfield name=”username” key=”user”/>
<s:textfield name=”password” key=”pass”/>
<s:submit key=”login”/>
</s:form>
</body>
</html>
error.jsp
<%@ page language=”java” contentType=”text/html; charset=UTF-8″
pageEncoding=”UTF-8″%>
<%@taglib prefix=”s” uri=”/struts-tags”%>
<!DOCTYPE html PUBLIC “-//W3C//DTD HTML 4.01 Transitional//EN” “http://www.w3.org/TR/html4/loose.dtd”>
<html>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=UTF-8″>
<title><s:text name=”errorpage”></s:text></title>
</head>
<body>
登陆失败了，哈哈哈
</body>
</html>