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#2
sqrt22008-04-01 11:37
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$sql="select * from book where username='$name'";
$result=$mysql_query($sql,$link);
$num=mysql_num_rows($result);
if($num==1){
echo "yes!";
}
else
{
echo "no!";
}
判断查询是否成功除了上述方法,请问还有有哪些方法啊!?