SpringBoot快速配置数据源的方法

<!-- dbcp2数据库连接池 -->
<dependency>
  <groupId>org.apache.commons</groupId>
  <artifactId>commons-dbcp2</artifactId>
  <version>2.7.0</version>
</dependency>
<!--数据库驱动-->
<dependency>
  <groupId>mysql</groupId>
  <artifactId>mysql-connector-java</artifactId>
  <version>8.0.18</version>
</dependency>
<!-- 提供操作数据库的标准口径 -->
<dependency>
  <groupId>org.springframework</groupId>
  <artifactId>spring-jdbc</artifactId>
  <version>5.2.2.RELEASE</version>
  <scope>compile</scope>
</dependency>

customize.datasource.url=jdbc:mysql://localhost:3306/blue?serverTimezone=UTC
customize.datasource.username=root
customize.datasource.password=wan4380797
customize.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

import org.apache.commons.dbcp2.BasicDataSource;
@Configuration
public class Dbcp2DataSource {
  @Bean("myDbcp2DataSource")
  @ConfigurationProperties(prefix = "customize.datasource")
  public DataSource getDataSource(){
    return DataSourceBuilder.create().type(BasicDataSource.class).build();
  }
}

@SpringBootTest
@RunWith(SpringRunner.class)
public class JdbcCustomizeDatasourceApplicationTests {
 
  @Autowired
  @Qualifier("myDbcp2DataSource")
  private DataSource dataSource;
 
  @Test
  public void springJdbcTemplateTest(){
    try{
      JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
      String queryStr = "select * from student";
      List<Student> resultList = new ArrayList<>();
      jdbcTemplate.query(queryStr, (ResultSet resultSet)->{
        Student student = new Student();
        student.setId(resultSet.getString("id"));
        student.setStudentId(resultSet.getString("student_id"));
        student.setStudentName(resultSet.getString("student_name"));
        student.setAge(resultSet.getInt("age"));
        resultList.add(student);
      });
      resultList.forEach((Student student) -> System.out.println(student));
    }catch (Exception exception){
      exception.printStackTrace();
    }
  }
}