前端请求

    methods: {
            del(){
            		ids=[];
                    this.multipleSelection.forEach(item=>{
                        ids.push(item.aid)//ids=["1","2","3","4"]
                    })
                    //通过array.join()方法将数组ids转换为字符串ids=1,2,3,4,5
                    axios.delete("/acc?ids="+ids.join(",")).then(resp=>{
                        let data=resp.data;
                        if (data.code==200){//删除成功
                            this.$message({
                                type: 'success',
                                message: '删除成功!'
                            });
                            //刷新表格数据
                            this.initData();
                        }
                    })
                })

后台接收

   /**
   	 * Controller
     * 根据主键删除
     * @param ids  能够自动识别并接收前端传递过来的字符串ids=1,2,3,4
     * @return
     */
    @DeleteMapping
    @ApiOperation("根据主键删除账户")
    public ResponseData deleteById(@ApiParam("账户主键") String ids){
        return service.removerById(ids);
    }
   /**
   	 * Service
     * 根据主键删除
     * @param id
     * @return
     */
    @Override
    public ResponseData removerById(String ids) {
        //将字符串ids通过字符串提供的split()方法转化为字符数组进行批量删除
        int row = dao.deleteById(ids.split(","));
        if (row>0){
            return ResponseData.ok();
        }
        return ResponseData.error();
    } 

数据库持久化

<delete id="deleteById">
	<!--delete from account where aid in (1,23,4,45,54)-->
	<foreach collection="array" item="id" open="delete from account where aid in ("
		 	 close=")" separator=",">
 		   		#{id}
	</foreach>
</delete>