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Struts2后缀
- Struts2默认后缀是action
- Struts2使用默认后缀时*.action和*都是同一个请求
- Struts2自定义后缀后只能使用自定义的后缀访问（eg.*.c和*不再是同一个请求）
- Struts2自定义后缀方式
- 方式一：在struts.xml中配置struts.action.extension常量
- 方式二：在web.xml中配置struts.action.extension
- 方式三：在struts.properties中配置struts.action.extension
实例
1.项目结构
2.pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.struts</groupId>
<artifactId>Struts2-CustomSuffix</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>Struts2-CustomSuffix Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<struts.version>2.5.10</struts.version>
</properties>
<dependencies>
<!-- junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!-- struts2 -->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>${struts.version}</version>
</dependency>
</dependencies>
<build>
<finalName>Struts2-CustomSuffix</finalName>
</build>
</project>
3.web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app 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_3_0.xsd"
version="3.0" metadata-complete="true">
<!-- struts2过滤器 -->
<filter>
<filter-name>struts</filter-name>
<filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class>
<!-- 方式二 -->
<!-- <init-param>
<param-name>struts.action.extension</param-name>
<param-value>cc</param-value>
</init-param> -->
</filter>
<filter-mapping>
<filter-name>struts</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
4.HelloAction.java
package org.struts.action;
import com.opensymphony.xwork2.ActionSupport;
public class HelloAction extends ActionSupport {
private static final long serialVersionUID = 1L;
@Override
public String execute() throws Exception {
return SUCCESS;
}
}
5.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="hello" extends="struts-default" namespace="/">
<action name="hello" class="org.struts.action.HelloAction">
<result>/index.jsp</result>
</action>
</package>
<!-- 方式一 -->
<constant name="struts.action.extension" value="c"/>
</struts>
6.struts.properties
#指定action后缀（方式三) #struts.action.extension=ccc
7.index.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>index.jsp</title>
</head>
<body>
访问成功了。。。
</body>
</html>
8.效果预览
8.1 方式一
8.2 方式二
8.3 方式三
