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项目结构 pom.xml pom.xml: <?xml version="1.0" encoding="UTF-8"?> <project x
pom.xml
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">
<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
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;
@SpringBootApplication
public class App08 {
public static void main(String[] args) {
SpringApplication.run(App08.class, args);
}
}
Dao层
UserDao:
package com.keafmd.dao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Repository;
import java.util.List;
@Repository
public class UserDao {
@Autowired
JdbcTemplate jdbcTemplate;
public List userList(){
String sql ="select * from user";
return jdbcTemplate.queryForList(sql);
}
}
Service层
IUserService :
package com.keafmd.service;
import java.util.List;
public interface IUserService {
List list();
}
UserServiceImpl:
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;
@Service
public class UserServiceImpl implements IUserService {
@Autowired
UserDao userDao;
@Override
public List list() {
return userDao.userList();
}
}
Controller层
UserController:
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;
@RestController
public class UserController {
@Autowired
IUserService userService;
@RequestMapping("userlist")
List UserList(){
return userService.list();
}
}
UserDaoTest:
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
到此这篇关于Spring Boot对jdbc的支持的文章就介绍到这了,更多相关Spring Boot支持jdbc内容请搜索编程网以前的文章或继续浏览下面的相关文章希望大家以后多多支持编程网!
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