错误提示: Warning: mysql_fetch_object(): supplied argument is not a valid MySQL result resource in c:\apache group\apache\htdocs\qqqq.php on line 11 ok 为什么会这样?
$db 或 mysql_query("select * from qm") 至少有一个是无效的 分开来写,以便定位
<? $db = mysql_pconnect("datouwanzi" , "datouwanzi" , ""); echo "$db"; if(!$db){ echo"error"; exit;} mysql_select_db("qm"); echo"ok"; $sql="select name from qm0445"; echo "ok"; $query=mysql_query($sql); $num=mysql_num_rows($query); for ($i=0;$i<$num;$i++) { $row=mysql_fetch_array($query); echo($row); }?> 这样写还是错误
Resource id #2okok Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in c:\apache group\apache\htdocs\qqqq.php on line 12 这样的错误提示
Warning: mysql_fetch_object(): supplied argument is not a valid MySQL result resource in c:\apache group\apache\htdocs\qqqq.php on line 11
ok
为什么会这样?
分开来写,以便定位
$db = mysql_pconnect("datouwanzi" , "datouwanzi" , "");
echo "$db";
if(!$db){
echo"error";
exit;}
mysql_select_db("qm");
echo"ok";
$sql="select name from qm0445";
echo "ok";
$query=mysql_query($sql);
$num=mysql_num_rows($query);
for ($i=0;$i<$num;$i++)
{
$row=mysql_fetch_array($query);
echo($row);
}?>
这样写还是错误
Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in c:\apache group\apache\htdocs\qqqq.php on line 12
这样的错误提示
因为无法再现你的环境,也只能泛泛的说了。