1.导包
![](https://img.haomeiwen.com/i5944925/c5d33a90dceda417.png)
2.建立config,在环境中配置事务,数据源和映射
![](https://img.haomeiwen.com/i5944925/2cfd3e8a77b49218.png)
3.建立实体类entity,然后建立接口usrdao,在建立一个接口的映射包
![](https://img.haomeiwen.com/i5944925/5b6ff5f99c0482b2.png)
![](https://img.haomeiwen.com/i5944925/ecc7ca2ecb304fe6.png)
4.测试增删改
![](https://img.haomeiwen.com/i5944925/1e1c212857fbce3a.png)
![](https://img.haomeiwen.com/i5944925/0bb8fe6069c2d122.png)
5.复杂的含有多种参数的查询
![](https://img.haomeiwen.com/i5944925/4e83208e87c106dc.png)
![](https://img.haomeiwen.com/i5944925/f4c99b1c07e87c0a.png)
2.建立config,在环境中配置事务,数据源和映射
3.建立实体类entity,然后建立接口usrdao,在建立一个接口的映射包
4.测试增删改
5.复杂的含有多种参数的查询
本文标题:mybatis的crud
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