Struts2入门实例

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Struts JavaEE JSP XML Web

web.xml

<?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">

<filter-name>struts2</filter-name>

<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>

</filter>

<filter-mapping>

<filter-name>struts2</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>

</web-app>

srtuts.xml (WEB-INF/classes下)

<?xml version="1.0" encoding="GBK" ?>

<!DOCTYPE struts PUBLIC

"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"

"http://struts.apache.org/dtds/struts-2.0.dtd">

<result name="success">/helloworld/welcome.jsp</result>

<result name="error">/helloworld/error.jsp</result>

</action>

</package>

</struts>

Action：

package HelloWorld;

import com.opensymphony.xwork2.Action;

import com.opensymphony.xwork2.ActionContext;

public class LoginAction implements Action{

private String username;

private String password;

private String[] books;

public String[] getBooks() {

return books;

}

public void setBooks(String[] books) {

this.books = books;

}

public String execute() throws Exception{

if(this.getUsername().equals("admin")&&this.getPassword().equals("1234")){

ActionContext.getContext().getSession().put("user", this.getUsername());

BookService bs=new BookService();

this.setBooks(bs.getBooks());

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;

}

BookService.java

package HelloWorld;

public class BookService {

private String[] books=new String[]{

"Spring 2.0",

"Hibernate 3.2",

"Struts 2.0"

};

public String[] getBooks(){

return books;

}

index.jsp

<%@ page language="java" contentType="text/html; charset=gb2312"

pageEncoding="gb2312"%>

<%@ taglib prefix="s" uri="/struts-tags" %>

<html>

<head>

</head>

<body>

<s:form action="Login">

<s:textfield name="username" label="用户名"></s:textfield>

<s:password name="password" label="密码"></s:password>

<s:submit value="login"></s:submit>

</s:form>

</body>

</html>

welcome.jsp

<%@ page language="java" contentType="text/html; charset=gb2312"

pageEncoding="gb2312"%>

<%@ page isELIgnored="false" %>

<%@ taglib prefix="s" uri="/struts-tags" %>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<html>

<head>

</head>

<body>

欢迎${sessionScope.user}登陆

<c:out value="${requestScope.now}"></c:out>

<br>

<s:iterator value="books" status="index">

<s:if test="#index.odd==true">

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Struts2输入校验实例 | 使用window对象实现弹出窗口

2008-02-19 09:07
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1 楼 yinghuayu1324117 2011-04-18

不错，要是有对每个模块的注释就更好了

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