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struts1--helloworld

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1. 增加必要的jar包

    antlr-2.7.2.jar
    commons-beanutils-1.7.0.jar
    commons-chain-1.1.jar
    commons-digester-1.8.jar
    commons-logging-1.0.4.jar
    commons-validator-1.3.1.jar
    oro-2.0.8.jar
    struts-core-1.3.8.jar
    struts-taglib-1.3.8.jar
    struts-tiles-1.3.8.jar

 

2. 编写相应的视图页面

   

    login.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>用户登录</title>
	</head>
	<body>
		<form id="form1" action="login.do" method="post">
			Username: <input type="text" name="username"><br>
			Password: <input type="text" name="password"><br>
			<input type="submit" value="Submit">
		</form>
	</body>
</html>

   

    success.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"	pageEncoding="UTF-8"%>
<%@page import="ch01.formbean.UserForm"%>
<!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>登录成功</title>
	</head>
	<body>
		<%
			UserForm userForm = (UserForm)request.getAttribute("userForm");
		%>
		用户名:<%=userForm.getUsername()%>
		密码:<%=userForm.getPassword()%>
	</body>
</html>

   

    error.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>系统错误</title>
	</head>
	<body>
		登录失败!!!
	</body>
</html>

 

3. 编写ActionForm用于封装页面信息,内容如下:

package ch01.formbean;
import org.apache.struts.action.ActionForm;
public class UserForm extends ActionForm {
	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;
	}
}

 

4. 编写处理用户请求的Action,内容如下:

package ch01.action;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import ch01.formbean.UserForm;
public class LoginAction extends Action {
	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		System.out.println(this.getClass().getName() + " 正在处理用户请求...");
		UserForm userForm = (UserForm)form;
		if(null == userForm.getUsername() || "".equals(userForm.getUsername())){
			return mapping.findForward("error");
		}else{
			return mapping.findForward("success");
		}
	}
}

 

5. 在web.xml增加Struts1核心控制器,内容如下:

<?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">
	<servlet>
		<servlet-name>action</servlet-name>
		<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
		<init-param>
			<param-name>config</param-name>
			<param-value>/WEB-INF/struts-config.xml</param-value>
		</init-param>
	</servlet>
	<servlet-mapping>
		<servlet-name>action</servlet-name>
		<url-pattern>*.do</url-pattern>
	</servlet-mapping>
	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
</web-app>

 

6. 在WEB-INF下创建Struts1的配置文件struts-config.xml,内容如下:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC 
	"-//Apache Software Foundation//DTD Struts Configuration 1.3//EN" 
	"http://struts.apache.org/dtds/struts-config_1_3.dtd">
<struts-config>
	<form-beans>
		<form-bean name="userForm" type="ch01.formbean.UserForm"/>
	</form-beans>
	<action-mappings>
		<action path="/login" type="ch01.action.LoginAction" name="userForm" scope="request">
			<forward name="success" path="/success.jsp"/>
			<forward name="error" path="/error.jsp"/>
		</action>
	</action-mappings>
</struts-config>

 

4. 编写完成,发布即可测试。

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