/*** @說明: 文件緩存輸出* @參數: $cachefile => cache文件(絕對路徑)* @參數: $pertime => 緩存輸出的間隔時間* @參數: $sql => sql語句* @參數: $templatefile => 模板文件名稱(絕對路徑)**/function __cache($cachefile,$pertime,$sql,$templatefile) {global $db;if(time() - @filemtime($cachefile) >= $pertime) { $query = $db->query($sql); while($r=$db->fetch($query)) { $cachelist[] = $r; }; include $templatefile.'.php'; $cacheserialize = serialize($cachelist); file_put_contents($cachefile,$cacheserialize);}else{ $cachelist = unserialize(file_get_contents($cachefile)); include $templatefile.'.php';}}