吴裕雄--天生自然SPRINGBOOT开发实战--连接MYSQL数据库

创建数据库
create database springbootdb;

create table user(
id int not null auto_increment,
name varchar(100),
email varchar(100),
PRIMARY KEY ( id )
)ENGINE=InnoDB DEFAULT CHARSET=utf8;
commit;

insert user(name,email) values('aa','dd');
insert user(name,email) values('天生自然','天空');
commit;

<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.dd</groupId>
    <artifactId>dd</artifactId>
    <version>0.0.1-SNAPSHOT</version>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.0.RELEASE</version>
        <relativePath /> <!-- lookup parent from repository -->
    </parent>

    <dependencies>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
            <version>8.0.13</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

server.port =8089

spring.datasource.url=jdbc:mysql://localhost:3306/springbootdb?serverTimezone=UTC&autoReconnect=true
spring.datasource.username=root
spring.datasource.password=admin
spring.jpa.hibernate.ddl-auto=create-drop
##spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

package com.lidihuo;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class SpringBootJdbcApplication {
    public static void main(String[] args) {
        SpringApplication.run(SpringBootJdbcApplication.class, args);
    }
}

package com.lidihuo;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class SpringBootJdbcController {
    @Autowired
    JdbcTemplate jdbc;  
    @RequestMapping("/insert")
    public String index(){
        jdbc.execute("insert into user(name,email)values('天黑了','java@lidihuo.com')");
        return"data inserted Successfully";
    }
}