32 lines
622 B
Markdown
32 lines
622 B
Markdown
|
### mybatis xxx join 做连接查询
|
||
|
|
引入以下依赖
|
||
|
|
```xml
|
||
|
|
<dependency>
|
||
|
|
<groupId>com.github.yulichang</groupId>
|
||
|
|
<artifactId>mybatis-plus-join-boot-starter</artifactId>
|
||
|
|
<version>1.4.9</version>
|
||
|
|
</dependency>
|
||
|
|
```
|
||
|
|
|
||
|
|
``` JAVA
|
||
|
|
|
||
|
|
import com.baomidou.mybatisplus.extension.service.IService;
|
||
|
|
to
|
||
|
|
import com.github.yulichang.base.MPJBaseService;
|
||
|
|
|
||
|
|
|
||
|
|
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
|
||
|
|
to
|
||
|
|
import com.github.yulichang.base.MPJBaseMapper;
|
||
|
|
|
||
|
|
LambdaQueryWrapper
|
||
|
|
to
|
||
|
|
MPJLambdaWrapper
|
||
|
|
|
||
|
|
```
|
||
|
|
|
||
|
|
### 批量 性能 优化
|
||
|
|
> https://developer.aliyun.com/article/1055592
|
||
|
|
```
|
||
|
|
rewriteBatchedStatements=true
|
||
|
|
```
|