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Java学习路线-63：maven整合ssm-spring+struts+mybatis

彭世瑜发表于 2021/08/13 23:11:48 2021/08/13

【摘要】项目结构 . ├── pom.xml └── src ├── main │ ├── java │ │ └── com │ │ └── pengshiyu │ │ ├── action │ │ │ └── UserAction.java │ │ ├── bean │ │ │ └── User.java │ │ ├── dao ...

项目结构

.
├── pom.xml
└── src ├── main │   ├── java │   │   └── com │   │ └── pengshiyu │   │ ├── action │   │ │   └── UserAction.java │   │ ├── bean │   │ │   └── User.java │   │ ├── dao │   │ │   ├── UserDao.java │   │ │   └── impl │   │ │ └── UserDaoImpl.java │   │ └── service │   │ ├── UserService.java │   │ └── impl │   │ └── UserServiceImpl.java │   ├── resources │   │   ├── beans.xml │   │   ├── config │   │   │   ├── mybatis │   │   │   │   └── user.mapper.xml │   │   │   ├── spring │   │   │   │   └── user.xml │   │   │   └── struts │   │   │ └── user.xml │   │   ├── mybatis-config.xml │   │   └── struts.xml │   └── webapp │ ├── WEB-INF │ │   └── web.xml │ ├── index.html │ └── list.jsp └── test └── java


  
 
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一、配置

1、Maven

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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>org.example</groupId> <artifactId>spring-mybatis-struts-demo</artifactId> <version>1.0-SNAPSHOT</version> <build> <finalName>maven-springmvc</finalName> <resources> <!--表示把java目录下的有关xml文件,properties文件编译/打包的时候放在resource目录下--> <resource> <directory>${basedir}/src/main/java</directory> <includes> <include>**/*.properties</include> <include>**/*.xml</include> </includes> </resource> <resource> <directory>${basedir}/src/main/resources</directory> </resource> </resources> <plugins> <!-- tomcat7插件 maven 命令 tomcat7:run 启动项目--> <plugin> <groupId>org.apache.tomcat.maven</groupId> <artifactId>tomcat7-maven-plugin</artifactId> <version>2.2</version> <configuration> <port>8080</port> <path>/</path> <uriEncoding>UTF-8</uriEncoding> <!--添加忽略war包检查标签，则可以让tomcat7：run指令正常启动tomcat--> <ignorePackaging>true</ignorePackaging> <contextFile>src/main/webapp/WEB-INF/web.xml</contextFile> <contextReloadable>true</contextReloadable> </configuration> </plugin> </plugins> </build> <dependencies> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.18</version> </dependency> <dependency> <groupId>org.apache.struts</groupId> <artifactId>struts2-core</artifactId> <version>2.5.22</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>4.0.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.5.4</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>2.0.4</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>5.2.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>5.2.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>5.2.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>5.2.6.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.apache.struts/struts2-spring-plugin --> <dependency> <groupId>org.apache.struts</groupId> <artifactId>struts2-spring-plugin</artifactId> <version>2.5.22</version> </dependency> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>taglibs</groupId> <artifactId>standard</artifactId> <version>1.1.2</version> </dependency> </dependencies>
</project>

  
 
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2、Tomcat

src/main/webapp/WEB-INF/web.xml

<?xml version="1.0" encoding="utf-8" ?>

<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" version = "4.0"> <!-- 配置spring --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:beans.xml</param-value> </context-param> <listener> <listener-class> org.springframework.web.context.ContextLoaderListener </listener-class> </listener> <!-- 配置 struts2 --> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>*.action</url-pattern> </filter-mapping> <welcome-file-list> <welcome-file>index.html</welcome-file> </welcome-file-list>
</web-app>

  
 
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3、Spring

src/main/resources/beans.xml

<?xml version="1.0" encoding="utf-8" ?>

<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> <!-- 配置数据源--> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="com.mysql.cj.jdbc.Driver"/> <property name="url" value="jdbc:mysql://127.0.0.1:3306/data"/> <property name="username" value="root"/> <property name="password" value="123456"/> </bean> <!-- 配置 sqlSessionFactory--> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource"/> <property name="configLocation" value="classpath:mybatis-config.xml"/> </bean> <import resource="config/spring/user.xml" />
</beans>


  
 
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4、MyBatis

src/main/resources/mybatis-config.xml

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">

<configuration> <settings> <!-- 打印sql日志 --> <setting name="logImpl" value="STDOUT_LOGGING"/> </settings> <mappers> <mapper resource="config/mybatis/user.mapper.xml"/> </mappers>

</configuration>

  
 
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5、Struts2

src/main/resources/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> <include file="config/struts/user.xml"/>
</struts>

  
 
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6、Spring/User

src/main/resources/config/spring/user.xml

<?xml version="1.0" encoding="utf-8" ?>

<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> <bean id="userDao" class="com.pengshiyu.dao.impl.UserDaoImpl"> <property name="sqlSessionFactory" ref="sqlSessionFactory"/> </bean> <bean id="userService" class="com.pengshiyu.service.impl.UserServiceImpl"> <property name="userDao" ref="userDao"/> </bean> <bean id="userAction" class="com.pengshiyu.action.UserAction"> <property name="userService" ref="userService"/> </bean>
</beans>


  
 
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7、Mybatis/User

src/main/resources/config/mybatis/user.mapper.xml

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<mapper namespace="com.pengshiyu.bean.user.mapper">
<!--
创建users表
create table users(
	id int PRIMARY key auto_increment,
	name varchar(20),
	password varchar(20)
)

插入测试数据

insert into users(name, `password`) values("小明", "123456");
insert into users(name, `password`) values("小王", "123457");
insert into users(name, `password`) values("小赵", "123458");
insert into users(name, `password`) values("小四", "123459");
--> <select id="getAll" resultType="com.pengshiyu.bean.User"> select * from users </select>
</mapper>

  
 
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8、Struts/User

src/main/resources/config/struts/user.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="default" namespace="/" extends="struts-default"> <action name="list" class="userAction" method="list"> <result>/list.jsp</result> </action> </package>

</struts>

  
 
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Java 类

1、User

src/main/java/com/pengshiyu/bean/User.java

package com.pengshiyu.bean;

public class User { private int id; private String name; private String password; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; }
}


  
 
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2、UserDao

src/main/java/com/pengshiyu/dao/UserDao.java

package com.pengshiyu.dao;

import com.pengshiyu.bean.User;

import java.util.List;

public interface UserDao { List<User> getAll();
}


  
 
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3、UserDaoImpl

src/main/java/com/pengshiyu/dao/impl/UserDaoImpl.java

package com.pengshiyu.dao.impl;

import com.pengshiyu.bean.User;
import com.pengshiyu.dao.UserDao;
import org.mybatis.spring.support.SqlSessionDaoSupport;

import java.util.List;

public class UserDaoImpl extends SqlSessionDaoSupport implements UserDao { public List<User> getAll() { return this.getSqlSession().selectList( "com.pengshiyu.bean.user.mapper.getAll"); }
}


  
 
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4、UserService

src/main/java/com/pengshiyu/service/UserService.java

package com.pengshiyu.service;

import com.pengshiyu.bean.User;

import java.util.List;

public interface UserService { List<User> getAll();
}


  
 
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5、UserServiceImpl

src/main/java/com/pengshiyu/service/impl/UserServiceImpl.java

package com.pengshiyu.service.impl;

import com.pengshiyu.bean.User;
import com.pengshiyu.dao.UserDao;
import com.pengshiyu.service.UserService;

import java.util.List;

public class UserServiceImpl implements UserService { private UserDao userDao; public void setUserDao(UserDao userDao) { this.userDao = userDao; } public List<User> getAll() { return userDao.getAll(); }
}


  
 
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6、UserAction

src/main/java/com/pengshiyu/action/UserAction.java

package com.pengshiyu.action;

import com.opensymphony.xwork2.ActionSupport;
import com.pengshiyu.bean.User;
import com.pengshiyu.service.UserService;

import java.util.List;

public class UserAction extends ActionSupport { private List<User> users; private UserService userService; public String list(){ System.out.println("list"); users = userService.getAll(); System.out.println(users); return SUCCESS; } public List<User> getUsers() { return users; } public void setUsers(List<User> users) { this.users = users; } public UserService getUserService() { return userService; } public void setUserService(UserService userService) { this.userService = userService; }
}


  
 
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页面

1、index

src/main/webapp/index.html

hello spring

  
 
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2、list

src/main/webapp/list.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<table>
<tr> <th>编号</th> <th>姓名</th> <th>密码</th>
</tr>

<c:forEach items="${users}" var="item"> <tr> <td>${item.id}</td> <td>${item.name}</td> <td>${item.password}</td> </tr>
</c:forEach>

</table>

  
 
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访问测试

GET http://localhost:8080/list.action

编号	姓名	密码
1	小明	123456
2	小王	123457
3	小赵	123458
4	小四	123459

  
 
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源码地址：
https://github.com/mouday/spring-struts-mybatis-demo

文章来源: pengshiyu.blog.csdn.net，作者：彭世瑜，版权归原作者所有，如需转载，请联系作者。

原文链接：pengshiyu.blog.csdn.net/article/details/106909803

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