1.web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<display-name>StrutsDemo</display-name>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter
</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>
2.struts.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
"http://struts.apache.org/dtds/struts-2.5.dtd">
<struts>
<!--bean 標籤用於創建一個JavaBean實例 -->
<!--constant 標籤用於默認行爲 -->
<!--package 包標籤用於區分不同的請求，比如網站前臺請求、網站後臺請求 -->
<!--配置web默認編碼集，相當於HttpServletRequest.setChartacterEncoding用法 -->
<constant name="struts.i18n.encoding" value="UTF-8"></constant>
<!--默認我們struts2的請求後綴是.action，也就是說我們不配置該元素，action/do都可以 -->
<constant name="struts.action.extension" value="action,do"></constant>
<!--設置瀏覽器是否緩存靜態內容，默認值是true，在我們開發階段建議關閉，防止修改後測試失敗 -->
<constant name="struts.serve.static.browserCache" value="false"></constant>
<!--當struts配置文件修改後，系統是否自動重新加載該文件，默認爲false -->
<constant name="struts.configuration.xml.reload" value="true"></constant>
<!--開發模式下使用，這樣可以打印出更加詳細的錯誤信息 -->
<constant name="struts.devMode" value="true"></constant>
<!--默認視圖主題 -->
<constant name="struts.ui.theme" value="simple"></constant>
<!-- 是否開啓動態方法調用 -->
<constant name="struts.enable.DynamicMethodInvocation" value="true" />
<!--name包名，用於被別的包調用或繼承 namespace="" -->
<package name="uweb" extends="struts-default">
<!--action相當於以前的servlet的概念，對應一個請求name爲請求地址的url地址 localhost:8080/項目名/user/login.do -->
<action name="login" class="com.jike.action.LoginAction"> <result
name="success">/index.jsp</result> <result name="error">/login.jsp</result>
</action>
</package>
</struts>
3.login.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Insert title here</title>
</head>
<body>
<form action="<%=path%>/login.action" method="post">
username: <input type="text" name="username" /><br /> password: <input
type="password" name="password" /><br /> <input type="submit"
value="submit" /> <input type="reset" value="reset" />
</form>
</body>
</html>
4.LoginAction.java
package com.jike.action;
import com.opensymphony.xwork2.ActionSupport;
public class LoginAction extends ActionSupport {
private static final long serialVersionUID = 1L;
private String username;
private String password;
public String execute() throws Exception {
if (username.equals("admin") && password.equals("123456")) {
return "success";
} else {
return "error";
}
}
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;
}
}