跳轉操作其實就是函數本身call自己，所以輸入的數字是call程序本身的參數p那么你在開頭對p做一個判斷就行了$pageNum = intval($_GET['p']);// a function to get the parameter from current page$pageNum = empty($pageNum)||$pageNum<1?1:$pageNum;超過頁面數量的話可以不用管、不會報錯，如果想判斷也是同理的
Notice: Undefined index: p in F:\PHP\apache\htdocs\php-project\mypage.php on line 6
Warning: mysql_fetch_assoc() expects parameter 1 to be resource, boolean given in F:\PHP\apache\htdocs\php-project\mypage.php on line 24
