批量删除

    function delete(){

        if(isset($_GET['id'])){
            $id = intval(I("get.id"));
    
            $where[id] = $id;
            $res = M('contact')->where($where)->delete();
            if ($res !==false) {
                $this->success("删除成功！");
            } else {
                $this->error("删除失败！");
            }
        }
        if(isset($_POST['ids'])){
            $ids=join(",",$_POST['ids']);
            $res = M('contact')->where("id in ($ids)")->delete();
            if ($res !==false) {
                $this->success("删除成功！");
            } else {
                $this->error("删除失败！");
            }
        }
    }