/** php数据流应用 date:2013/2/19 */ $count = 5; start: if($count echo "Put Password: "; $handle = fopen ("php://PHP 데이터 흐름 애플리케이션의 작은 예","r"); $line = fgets($handle); if(trim($line) != '123456'){ $count--; if(!$count) goto error; goto start; } goto success; error: echo "Please try after 1 hour! http://bbs.it-home.org"; goto out; success: echo "Logined!"; out: ?> 复制代码 效果图如下所示: