<el-button type="warning" @click="deBatch">批量刪除</el-button> method方法 deBatch () {let ids = this.multipleSelection.map(v => v.id)subjectApi.deleteBatch(ids).then(re => {if (re.code === 1) {this.$message.success('批量刪除成功')} else {this.$message.error('刪除失敗')}}) }, // 批量刪除后端@PostMapping(value = "/subject/delete/batch")public RestResponse deleteBatch(@RequestBody List<Integer> ids) {subjectService.deleteByIds(ids);return RestResponse.ok();}

service

Integer deleteByIds(List<Integer> ids);

serviceimp

@Override public Integer deleteByIds(List<Integer> ids) {return subjectMapper.deleteByIds(ids); }

mapper

Integer deleteByIds(List<Integer> ids);

<delete id="deleteByIds">DELETE FROM t_subjectWHEREid IN (<foreach collection="ids" item="id" separator=",">#{id}</foreach>) </delete>

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