SpringBoot整合第三方技术的实现

@SpringBootTest(classes = Springboot07JunitApplication.class)
class Springboot07TestApplicationTests {}

import com.ityc.service.BookService;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;

@SpringBootTest
class Springboot07TestApplicationTests {

    @Autowired
    private BookService bookService;

    @Test
    public void testService() {
    bookService.save();
    }

}

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/ssm_db?serverTimezone=UTC
    username: root
    password: lyc
    type: com.alibaba.druid.pool.DruidDataSource

@Mapper
public interface BookDao {
    @Select("select * from tbl_book where id = #{id}")
    public Book getById(Integer id);
}

@SpringBootTest
class Springboot08MybatisApplicationTests {

   @Autowired
   private BookDao bookDao;

   @Test
   void testGetById() {
      Book book = bookDao.getById(10);
      System.out.println(book);
   }

}