";
if(!$postno)
die('postno was not assigned!!');
if(!is_numeric($postno))
die('postno was not integer!!');
//Connect to Mysql
mysql_connect (localhost, root, libroot123);//
mysql_select_db (signup); //資料庫 signup 包含 post 與 signtable兩個資料表
mysql_query("SET NAMES 'utf8'");
//SQL query for Insert
$query_string="select * from post where postno=$postno";
$result = mysql_query($query_string);
if (!$result) {
die('Invalid query: ' . mysql_error());
}
if( !($row = mysql_fetch_array($result)))
die('Can not query any data!'); //沒有資料
?>