怎么免插件开启评论@小尾巴 - Typecho 教程

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//获取评论的锚点链接
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function get_comment_at($coid)
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{
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    $db   = Typecho_Db::get();
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    $prow = $db->fetchRow($db->select('parent,status')->from('table.comments')
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        ->where('coid = ?', $coid));//当前评论
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    $mail = "";
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    $parent = @$prow['parent'];
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    if ($parent != "0") {//子评论
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        $arow = $db->fetchRow($db->select('author,status,mail')->from('table.comments')
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            ->where('coid = ?', $parent));//查询该条评论的父评论的信息
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        @$author = @$arow['author'];//作者名称
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        $mail = @$arow['mail'];
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        if(@$author && $arow['status'] == "approved"){//父评论作者存在且父评论已经审核通过
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            if (@$prow['status'] == "waiting"){
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                echo '<p class="commentReview">（评论审核中）)</p>';
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            }
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            echo '<a href="#comment-' . $parent . '">@' . $author . '</a>';
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        }else{//父评论作者不存在或者父评论没有审核通过
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            if (@$prow['status'] == "waiting"){
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                echo '<p class="commentReview">（评论审核中）)</p>';
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            }else{
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                echo '';
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            }
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        }
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    } else {//母评论，无需输出锚点链接
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        if (@$prow['status'] == "waiting"){
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            echo '<p class="commentReview">（评论审核中）)</p>';
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        }else{
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            echo '';
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        }
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    }
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}

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<?php $parentMail = get_comment_at($comments->coid)?><?php echo $parentMail;?>