项目结构
pom.xml
pom.xml:
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<? 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" > < parent > < artifactId >spring-boot-02</ artifactId > < groupId >com.keafmd</ groupId > < version >1.0-SNAPSHOT</ version > </ parent > < modelVersion >4.0.0</ modelVersion > < artifactId >spring-boot-08</ artifactId > < dependencies > < dependency > < groupId >org.springframework.boot</ groupId > < artifactId >spring-boot-starter-web</ artifactId > </ dependency > <!-- 解析jsp类库 --> < dependency > < groupId >org.apache.tomcat.embed</ groupId > < artifactId >tomcat-embed-jasper</ artifactId > </ dependency > < dependency > < groupId >jstl</ groupId > < artifactId >jstl</ artifactId > < version >1.2</ version > </ dependency > <!-- JDBC-启动器, 默认的数据源 HikariCP --> < dependency > < groupId >org.springframework.boot</ groupId > < artifactId >spring-boot-starter-jdbc</ artifactId > </ dependency > <!-- JDBC-启动器, 默认的数据源 HikariCP --> < dependency > < groupId >mysql</ groupId > < artifactId >mysql-connector-java</ artifactId > < version >5.1.46</ version > </ dependency > < dependency > < groupId >org.springframework.boot</ groupId > < artifactId >spring-boot-starter-test</ artifactId > </ dependency > < dependency > < groupId >org.springframework.boot</ groupId > < artifactId >spring-boot-devtools</ artifactId > </ dependency > </ dependencies > </ project > |
application.yml
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server: port: 80 spring: datasource: url: jdbc:mysql: //127.0.0.1:3306/ssm-java1?useSSL=false driver- class -name: com.mysql.jdbc.Driver username: root password: 18044229 |
启动类
package com.keafmd;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;/** * Keafmd * * @ClassName: App08 * @Description: * @author: 牛哄哄的柯南 * @Date: 2021-04-08 11:48 * @Blog: https://keafmd.blog.csdn.net/ */@SpringBootApplicationpublic class App08 { public static void main(String[] args) { SpringApplication.run(App08.class, args); }}
Dao层
UserDao:
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package com.keafmd; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; /** * Keafmd * * @ClassName: App08 * @Description: * @author: 牛哄哄的柯南 * @Date: 2021-04-08 11:48 * @Blog: https://keafmd.blog.csdn.net/ */ @SpringBootApplication public class App08 { public static void main(String[] args) { SpringApplication.run(App08. class , args); } } |
Service层
IUserService :
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package com.keafmd.service; import java.util.List; /** * Keafmd * * @ClassName: IUserService * @Description: * @author: 牛哄哄的柯南 * @Date: 2021-04-08 11:59 * @Blog: https://keafmd.blog.csdn.net/ */ public interface IUserService { List list(); } |
UserServiceImpl:
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package com.keafmd.service.impl; import com.keafmd.dao.UserDao; import com.keafmd.service.IUserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.util.List; /** * Keafmd * * @ClassName: UserServiceImpl * @Description: * @author: 牛哄哄的柯南 * @Date: 2021-04-08 12:00 * @Blog: https://keafmd.blog.csdn.net/ */ @Service public class UserServiceImpl implements IUserService { @Autowired UserDao userDao; @Override public List list() { return userDao.userList(); } } |
Controller层
UserController:
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package com.keafmd.controller; import com.keafmd.service.IUserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import java.util.List; /** * Keafmd * * @ClassName: UserController * @Description: * @author: 牛哄哄的柯南 * @Date: 2021-04-08 18:04 * @Blog: https://keafmd.blog.csdn.net/ */ @RestController public class UserController { @Autowired IUserService userService; /** * http://127.0.0.1/userlist * @return */ @RequestMapping ( "userlist" ) List UserList(){ return userService.list(); } } |
测试类测试
UserDaoTest:
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package com.keafmd.dao; import com.keafmd.App08; import org.junit.jupiter.api.Test; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import java.util.List; import static org.junit.jupiter.api.Assertions.*; @SpringBootTest (classes = App08. class ) class UserDaoTest { @Autowired UserDao userDao; @Test public void test(){ List userlist = userDao.userList(); for (Object o : userlist) { System.out.println(o); } } } |
运行test方法的效果:
运行启动类,测试效果
运行启动类,访问:http://127.0.0.1/userlist
总结
本篇文章就到这里了,希望能给你带来帮助,也希望您能够多多关注服务器之家的更多内容!
原文链接:https://blog.csdn.net/weixin_43883917/article/details/115511007