IndexAction::postDel PHP Method

    public function postDel()
    {
        $weiba = D('weiba_post')->where('post_id=' . intval($_POST['post_id']))->field('weiba_id,post_uid')->find();
        if (CheckPermission('weiba_normal', 'weiba_del') || $weiba['post_uid'] == $this->mid || CheckWeibaPermission('', $weiba['weiba_id'])) {
            //判断删帖权限
            if ($weiba['post_uid'] != $this->mid) {
                //判断是否本人
                if (!CheckWeibaPermission('', $weiba['weiba_id'])) {
                    //判断管理员或圈主
                    echo 0;
                    return;
                }
            }
        } else {
            echo 0;
            return;
        }
        if (!CheckWeibaPermission('', $weiba['weiba_id'])) {
            //判断管理员或圈主
            if (!CheckPermission('weiba_normal', 'weiba_del') || $weiba['post_uid'] != $this->mid) {
                echo 0;
                return;
            }
        }
        $post_id = $_POST['post_id'];
        $post_id = intval($post_id);
        if (D('weiba_post')->where('post_id=' . $post_id)->setField('is_del', 1)) {
            $post_detail = D('weiba_post')->where('post_id=' . $post_id)->find();
            if (intval($_POST['log']) == 1) {
                D('log')->writeLog($post_detail['weiba_id'], $this->mid, '删除了帖子“' . $post_detail['title'] . '”', 'posts');
            }
            D('weiba')->where('weiba_id=' . intval($_POST['weiba_id']))->setDec('thread_count');
            //添加积分
            model('Credit')->setUserCredit($this->mid, 'delete_topic');
            // 删除相应的分享信息
            model('Feed')->doEditFeed($post_detail['feed_id'], 'delFeed', '', $this->mid);
            /* 删除收藏 */
            D('WeibaPost')->where(array('post_id' => $post_id))->delete();
            echo 1;
        }
    }