导入Struts2

Struts2个人资料验证示例

最新推荐文章于 2024-04-06 20:17:29 发布

原创最新推荐文章于 2024-04-06 20:17:29 发布 · 206 阅读

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#Struts #JavaEE #Windows #Web #JSP

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src:

struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
	<constant name="struts.enable.DynamicMethodInvocation"  value="true" />
</struts>

src\chap09:

CheckAction.java

package chap09;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.apache.struts2.config.Result;
import org.apache.struts2.interceptor.ServletRequestAware;

@Result("/result.jsp")
public class CheckAction implements ServletRequestAware{
	private String name;
	private String age;
	private String sex;
	
	private HttpServletRequest request;
	
    public String checkPersonalInfo() {
		String new_name;

		if( "male".equals( sex ) == true ){
			new_name = "Mr." + name;
		}else{
			new_name = "Ms." + name;
		}
		
		// 新しい(Mr./Ms.がついた)名前をAttributeで追加
		request.setAttribute( "new_name", new_name );
		
		// HttpSessionの作成
		HttpSession session = request.getSession( true );
		session.setAttribute( "prev_name", name );

        return "success";
    }
    
	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getAge() {
		return age;
	}

	public void setAge(String age) {
		this.age = age;
	}

	public String getSex() {
		return sex;
	}

	public void setSex(String sex) {
		this.sex = sex;
	}

	public void setServletRequest(HttpServletRequest request) {
		this.request = request;
	}
}

WebContent:

index.jsp

<%@ page language="java" contentType="text/html; charset=windows-31j"
    pageEncoding="windows-31j"%>
<%@ taglib prefix="s" uri="/struts-tags" %>

<!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=windows-31j">
<title></title>
</head>
<body>

<%
String prev_name;
if( session != null ){
	prev_name = (String)session.getAttribute( "prev_name" );
	if( prev_name != null ){
%>
	<font color="red">
		以前、あなたはアクセスしたことがあります<br>
	</font>
	お久しぶりです　<%= prev_name %> さん<br>
<%
	}
}
%>
<br>

名前、性別、年齢を入力してください。<br>
<br>
<s:form action="check"  method="post">
    <s:textfield key="name" label="氏名" /> <br>
	<s:radio list="#{'male':'男性','female':'女性'}" name="sex" label="性別"/><br>
	<s:textfield key="age" label="年齢"/> <br>
    <s:submit value="submit" method="checkPersonalInfo" />
</s:form>
</body>
</html>

result.jsp

<%@ page language="java" contentType="text/html; charset=windows-31j"
    pageEncoding="windows-31j"%>
<!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=windows-31j">
<title></title>
</head>
<body>
あなたは、 <br>
氏名: <%= request.getParameter( "name" ) %> <br>
<%
	String sex_string;
	if( "male".equals( request.getParameter( "sex" ) ) ){
		sex_string = "男性";
	}else{
		sex_string = "女性";
	}

	int age = Integer.parseInt(request.getParameter( "age" ));
	String drink;
	if( age >= 20 ){
		drink = "あなたはお酒が飲めますね。";
	}else{
		drink = "あなたはお酒を飲んではいけません。";
	}
	
%>
性別: <%= sex_string %> <br>
年齢: <%= request.getParameter( "age" ) %>歳<br>

<br>
こんにちは <%= (String)request.getAttribute( "new_name" ) %> さん<br>

<br>

<%= drink %> <br>

<a href="/Chap09/index.jsp">トップ</a>へ戻る。
</body>

</html>

WebContent\WEB-INF:

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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" 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>Chap09</display-name>
	
	<filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
        <init-param>
        	<param-name>actionPackages</param-name>
        	<param-value>
        		chap09
        	</param-value>
        </init-param>
    </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>

WebContent\WEB-INF\lib:

commons-logging-1.0.4.jar

freemarker-2.3.8.jar

ognl-2.6.11.jar

struts2-core-2.0.11.2.jar

xwork-2.0.5.jar

代码来自日本的技术图书：http://www.shuwasystem.co.jp/products/7980html/2197.html