struts2的详细配置

逃离我推掉我的手 2022-07-15 00:22 136阅读 0赞

1.新建web工程  
2.导入jar包![这里写图片描述][20161026153500529]  
项目结构图：![这里写图片描述][20161026153637237]

直接来源码吧

package zh.struts.action;
    
    import org.apache.struts2.convention.annotation.Action;
    import org.apache.struts2.convention.annotation.Namespace;
    import org.apache.struts2.convention.annotation.Result;
    import org.apache.struts2.convention.annotation.Results;
    
    import com.opensymphony.xwork2.ActionSupport;
    
    @Namespace("/user")
    @Results({ @Result(name = "success", location = "/welcome.jsp"), @Result(name = "login", location = "/login.jsp") })
    public class LoginAction extends ActionSupport { 
    
        /** * */
        private static final long serialVersionUID = -8275633865217677525L;
        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;
        }
    
        @Action("/login")
        @Override
        public String execute() throws Exception {
            if ("haha".equals(username) && "hehe".equals(password))// 如果登录的用户名=haha并且密码=hehe，就返回SUCCESS；否则，返回LOGIN
                return "success";
            return "login";
        }
    
    }

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>
        
        <constant name="struts.action.extension" value="do" />
    
        
        
        
        
        
        
        
        
    </struts>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
    <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
      <display-name>sshDemo</display-name>
        <welcome-file-list>
            <welcome-file>login.jsp</welcome-file>
        </welcome-file-list>
         <filter>
            <filter-name>action2</filter-name>
            <filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class>
        </filter>
    
        <filter-mapping>
            <filter-name>action2</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>
    </web-app>

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
        <%@ taglib uri="/struts-tags" prefix="s" %>
    <!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>Insert title here</title>
    </head>
    <body>
       <s:form action="/user/login.do" method="post">
        <s:label value="系统登陆"></s:label>
        <s:textfield name="username" label="账号" />
        <s:password name="password" label="密码" />
        <s:submit value="登录" />
       </s:form>
    </body>
    </html>

welcome.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
    <!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>Insert title here</title>
    </head>
    <body>
    欢迎${username}
    </body>
    </html>

[20161026153500529]: /images/20220715/ae48dc00c84f4de0b950247adf9dbc58.png
[20161026153637237]: /images/20220715/3eee0d1405794666ae9b9e8626693104.png