Mybatis整合达梦数据库的完整步骤记录

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

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

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
        </dependency>
        
		<!--达梦数据库驱动-->
        <dependency>
            <groupId>com.dameng</groupId>
            <artifactId>Dm8JdbcDriver18</artifactId>
            <version>8.1.1.49</version>
        </dependency>

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

    </dependencies>

spring:
  datasource:
    url: jdbc:dm://127.0.0.1:5236?schema=ZY
    username: ZY
    password: 123456789
    driver-class-name: dm.jdbc.driver.DmDriver
mybatis:
#  注意这里按自己的mapper文件位置进行更改
  mapper-locations: classpath*:mapper/*Mapper.xml

@Data
public class TestDB1 {
    private Integer id;
    private String name;
}

@Mapper
public interface TestDB1Mapper {
    List<TestDB1> select (Integer id);
    void save(String name);
    void update(@Param("id") Integer id,@Param("name") String name);
    void delete(Integer id);
}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<!--这里表名大写小写都可以，字段大小写都可以-->
<mapper namespace="com.sql.mybatisdm.mapper.TestDB1Mapper">
    <insert id="save">
        insert into testdb1(name) values(#{name});
    </insert>

    <select id="select" resultType="com.sql.mybatisdm.domain.TestDB1">
        select id,name from testdb1 where id = #{id}
    </select>

    <update id="update" >
        update TESTDB1  set NAME = #{name} where id = #{id};
    </update>

    <delete id="delete">
        delete from TESTDB1 where id = #{id};
    </delete>
</mapper>

@SpringBootTest
class MybatisdmApplicationTests {

    @Autowired
    private TestDB1Mapper testDB1Mapper;

    /**
     * 保存
     */
    @Test
    void save() {
       testDB1Mapper.save("clllb");

        List<TestDB1> select = testDB1Mapper.select(1);
        System.out.println(select);
    }

    /**
     * 查询
     */
    @Test
    void select(){
        List<TestDB1> select = testDB1Mapper.select(2);
        System.out.println(select);
    }

    /**
     * 修改
     */
    @Test
    void update() {
        testDB1Mapper.update(1,"CLLLB");

        List<TestDB1> select = testDB1Mapper.select(1);
        System.out.println(select);
    }

    /**
     * 删除
     */
    @Test
    void delete(){
        testDB1Mapper.delete(1);

        List<TestDB1> select = testDB1Mapper.select(1);
        System.out.println(select);

    }
}