mybatis批量删除数据,将需要删除的数据id存放到list中,将list作为参数传递,具体代码如下:
1、在mapper层中创建deleteAudioAudioFiles(@Param(“ids”)List ids) 方法,返回删除的数据条数
package com.center.manager.mapper; import java.util.List; import org.apache.ibatis.annotations.Mapper; import org.apache.ibatis.annotations.Param; import com.center.manager.bean.Audio; @Mapper public interface AudioMapper {
int deleteAudioAudioFiles(@Param("ids")List<String> ids); //批量删除数据 }
2、mybatis的xml文件中的delete语句如下:
<mapper namespace="com.center.manager.mapper.AudioMapper"> <delete id="deleteAudioAudioFiles"> delete from t_audio where audio_file in <foreach collection="ids" item="id" open="(" separator="," close=")"> #{id,jdbcType=VARCHAR}
foreach>
delete>
mapper>
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