任务需求
创建struts2项目，创建用户登陆实例，朴素版
代码
java类
LoginActon
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{
/*
System.out.println("execute is called");
System.out.println("execute is called" +username);
System.out.println("execute is called"+password);
*/
if("root".equals(username)&&"123".equals(password)){
return "success";
}else{
return "error";
}
}
}
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>
<package name="struct2" extends="struts-default">
<action name="login" class="com.first.action.LoginAction">
<result name="success">/login_success.jsp</result>
<result name="error">/login_error.jsp</result>
</action>
</package>
</struts>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<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>
</web-app>
login.jsp
<%--
Created by IntelliJ IDEA.
User: 长风
Date: 2019/10/24
Time: 21:20
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>用户登陆</title>
</head>
<body>
<form action="login.action">
用户：<input type="text" name= "username"><br>
密码：<input type="password" name="password"><br>
<input type="submit" value="登陆">
</form>
</body>
</html>
login_success.jsp
<%@ taglib prefix="s" uri="/struts-tags" %>
<%--
Created by IntelliJ IDEA.
User: 长风
Date: 2019/10/24
Time: 21:48
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>成功！</title>
</head>
<body>
<s:property value="username"/> 登陆成功
</body>
</html>
login_error.jsp
<%--
Created by IntelliJ IDEA.
User: 长风
Date: 2019/10/24
Time: 21:48
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>失败！</title>
</head>
<body>
登陆失败<a href="login.jsp">返回</a>
</body>
</html>
