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有关PHP连MYSQL问题

读取不了MYSQL的资料 $con = mysql_connect(" localhost ","root","123456"); if($select2=="球类") { if($txt=="篮球"){ mysql_select_db("basketball",$con); $result = mysql_query("SELECT * FROM basketball"); while($row = mysql_fetch_array($result)){ echo $row["品牌"]; echo $row["货号"]; echo $row["价格"]; } } } 我想知道我错那? 他一即错 Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /home/a1914747/public_html/index.php on line 80 请各位大大 帮帮忙
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