mybatis delete
时间: 2023-09-08 16:15:27 浏览: 124
To delete data using MyBatis, you can use the `delete` statement in your mapper XML file. Here's an example:
```xml
<!-- MyBatis mapper XML file -->
<delete id="deleteById" parameterType="int">
DELETE FROM your_table
WHERE id = #{id}
</delete>
```
In this example, `your_table` is the name of the table from which you want to delete the data. `id` is the parameter that you pass to the `deleteById` method, which specifies the condition for deletion.
To use this delete statement in your Java code, you need to define a mapper interface and associate it with the mapper XML file. Here's an example:
```java
// Mapper interface
public interface YourMapper {
int deleteById(int id);
}
// Usage
YourMapper mapper = sqlSession.getMapper(YourMapper.class);
int rowsAffected = mapper.deleteById(1); // Specify the ID of the row you want to delete
```
In this example, `sqlSession` is an instance of `SqlSession`, which you can obtain from your MyBatis configuration.
Remember to configure MyBatis properly with the database details and mapper files before using it for data deletion.
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