third_codes/mybatis-plus-join
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admin 2021-01-28 11:31:21 +08:00
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@ -2,8 +2,6 @@
支持连表查询的[mybatis-plus](https://gitee.com/baomidou/mybatis-plus)
[goto gitee](https://gitee.com/best_handsome/mybatis-plus-join)
## 运行环境
* mysql8
@ -27,9 +25,12 @@
```java
class test {
@Resource
private UserMapper userMapper;
void testJoin() {
List<UserDTO> list = userMapper.selectJoinList(new MyLambdaQueryWrapper<UserEntity>()
.select(UserEntity::getHeadImg, UserEntity::getHeadImg)
.select(UserEntity::getHeadImg, UserEntity::getName)
.leftJoin(UserEntity::getId, UserAddressEntity::getUserId,
right -> right.select(UserAddressEntity::getAddress, UserAddressEntity::getTel))
, UserDTO.class);
@ -42,7 +43,7 @@ class test {
```sql
SELECT
t0.head_img,
t0.head_img,
t0.name,
t1.address,
t1.tel
FROM