mysql_select_db($database);
要是
<?php
$con = mysql_connect("localhost","root","");mysql_select_db($sql);
$result=mysql_query('select name from tag_cate where id=3');mysql_close($con);
?>
还是无内容显示咋办?sql是数据库名。
则
<?php
$con = mysql_connect("localhost","root","");mysql_select_db($sql);
//$result是记过集好不好,还有你的输出呢?echo?
$result=mysql_query('select name from tag_cate where id=3') or die('ERROR : '.mysql_error());if($result){
if (mysql_num_rows($result) == 0) {
while($row = mysql_fetch_assoc($result)){echo $row['name'].'';
}
}
mysql_free_result($result);
}
mysql_close($con);
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