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關(guān)于Spring Boot對jdbc的支持問題

瀏覽:4日期:2023-07-18 10:50:57
項目結(jié)構(gòu)

關(guān)于Spring Boot對jdbc的支持問題

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類庫 --><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-啟動器, 默認的數(shù)據(jù)源 HikariCP --><dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-jdbc</artifactId></dependency><!-- JDBC-啟動器, 默認的數(shù)據(jù)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: 80spring: datasource: url: jdbc:mysql://127.0.0.1:3306/ssm-java1?useSSL=false driver-class-name: com.mysql.jdbc.Driver username: root password: 18044229

啟動類

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層

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;/** * Keafmd * * @ClassName: UserDao * @Description: * @author: 牛哄哄的柯南 * @Date: 2021-04-08 11:47 * @Blog: https://keafmd.blog.csdn.net/ */@Repositorypublic class UserDao { @Autowired JdbcTemplate jdbcTemplate; public List userList(){String sql ='select * from user';return jdbcTemplate.queryForList(sql); }}

Service層

IUserService :

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:

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/ */@Servicepublic class UserServiceImpl implements IUserService { @Autowired UserDao userDao; @Override public List list() {return userDao.userList(); }}

Controller層

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;/** * Keafmd * * @ClassName: UserController * @Description: * @author: 牛哄哄的柯南 * @Date: 2021-04-08 18:04 * @Blog: https://keafmd.blog.csdn.net/ */@RestControllerpublic class UserController { @Autowired IUserService userService; /** * http://127.0.0.1/userlist * @return */ @RequestMapping('userlist') List UserList(){return userService.list(); }}測試類測試

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);} }}

運行test方法的效果:

關(guān)于Spring Boot對jdbc的支持問題

運行啟動類,測試效果

運行啟動類,訪問:http://127.0.0.1/userlist

關(guān)于Spring Boot對jdbc的支持問題

到此這篇關(guān)于Spring Boot對jdbc的支持的文章就介紹到這了,更多相關(guān)Spring Boot支持jdbc內(nèi)容請搜索好吧啦網(wǎng)以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持好吧啦網(wǎng)!

標簽: Spring
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