Struts2 maven项目简单案例

• 案例--步骤

1. 创建Maven web项目
2. 在pom.xml导入相关jar包
3. 配置web.xml
4. 编写action代码
5. 配置struts.xml
6. 访问方式

• 案例步骤图解

• 详细代码及配置

• 导入jar包：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/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.xxxx</groupId>
    <artifactId>Struts2Test0809</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>

    <dependencies>
        <!-- https://mvnrepository.com/artifact/org.apache.struts/struts2-core -->
        <dependency>
            <groupId>org.apache.struts</groupId>
            <artifactId>struts2-core</artifactId>
            <version>2.2.3</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
            <scope>provided</scope>
        </dependency>


    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

• 配置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"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    version="2.5">
    <display-name>Struts2Test0809</display-name>
    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.htm</welcome-file>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>default.html</welcome-file>
        <welcome-file>default.htm</welcome-file>
        <welcome-file>default.jsp</welcome-file>
    </welcome-file-list>

    <filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>struts2</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

• 编写action代码

package com.xxxx.action;

import com.opensymphony.xwork2.ActionSupport;

public class TestAction extends ActionSupport {

    public String sayHello(){
        
        System.out.println(">>>>test Ok");
        
        return SUCCESS;
    }
}

• 配置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>
    <!-- 启用动态方法加载 -->
    <constant name="struts.enable.DynamicMethodInvocation" value="true" />

    <package name="hell" namespace ="/hello" extends="struts-default">
        <action name="test" class="com.xxxx.action.TestAction">
            <result name="success">/Hello.jsp</result>
        </action>
    </package>
</struts>

• 在URL访问

http://localhost:8080/Struts2Test0809/hello/test!sayHello
                     /项目名称/package_namespace/action_name!action_functionName