$sql="select count(*) from cat where catname=$cat[catname]";
? ? $rs=mysql_query($sql);
? ? if(@mysql_fetch_row($rs)[0]!=0) {
? ? echo "欄目存在";
? ?exit();
? ? };
2
0
0
$cat[catname] ?這是數(shù)組嗎 ?[]里的內(nèi)容應(yīng)該用引號(hào) 引起來(lái)
$sql="select?count(*)?from?cat?where?catname=$cat['catname']";
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