DEDECMS织梦内容页调用seotitle标题的写法

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<title>
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{dede:field name='typeid' runphp='yes'}
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$id=@me;
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global $dsql;
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$sql="select seotitle from dede_arctype where id=$id";
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$row=$dsql->getOne($sql);
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@me=$row["seotitle"];
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{/dede:field}
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</title>

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$this->Fields['typename'] = $this->TypeLink->TypeInfos['typename'];

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$this->Fields['seotitle'] = $this->TypeLink->TypeInfos['seotitle'];