mysql-新浪sae，微信公众平台的MySQL链接问题

 $con = mysql_connect(SAE_MYSQL_HOST_M.':'.SAE_MYSQL_PORT,SAE_MYSQL_USER,SAE_MYSQL_PASS); if(!$con) { ////// $contentStr = "进入 if(!$con)"; $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr); //// die('could not connect:'.mysql_error()); }else{ ///// $contentStr = "进入else"; $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr); ///// mysql_select_db("app_cjcx123",$con); $query = sprintf("SELECT * FROM table1 WHERE xm = 1450375"); $result = mysql_query($query); while ($row = mysql_fetch_assoc($result)) { $contentStr=$row['xm'].$row['cj']; mysql_close($con); } } }else if(!is_numeric($keyword)){ $msgType = "text"; $contentStr = "学号错误，请重新输入"; $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr); }else{ $contentStr = "Input something..."; $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr); } } 这是源码。加了几个