网页全屏截图 根据不同分辨率和不同格式

<?php $thumbnails_folder = './images/'; // 缩略图生成超时时间 $cache_expire_time = 60; // 缩率图生成质量 $image_quality = 100; // 缩略图格式类型 (1 = GIF, 2 = JPG, 3 = PNG) $image_type = $_POST["type"]; // 缩略图大小 $max_x = 1440; $max_y = 1440; $cut_x = 0; $cut_y = 1440; if (isset($_POST['url'])) { $website_url = $_POST['url']; } else { die("Site URL must be specified."); } if ($image_type == 1) $output_format = 'gif'; if ($image_type == 2) $output_format = 'jpg'; if ($image_type == 3) $output_format = 'png'; $website_url_md5 = date(Ymdhms); $cached_filename = $thumbnails_folder . $website_url_md5 . '.' . $output_format; // 是否有快取网站截图图片 if (!file_exists($cached_filename)|| filemtime ($cached_filename) + $cache_expire_time * 60 < time() ) { $minwidth = $_POST["arear"]; //调用插件,获得裁剪的图片，并保存在服务器端 @exec("IECapt.exe --url=".$website_url." --out=".$cached_filename." --min-width=".$minwidth ); } if (!file_exists($cached_filename)) { die("存储缩略图的目录没有创建!."); } // create class instance //include("image.class.php"); //$img = new Zubrag_image; // //// get parameters //$img->image_type = $image_type; //$img->quality = isset($_POST['quality']) ? intval($_POST['quality']) : $image_quality; //$img->max_x = isset($_POST['x']) ? intval($_POST['x']) : $max_x; //$img->max_y = isset($_POST['y']) ? intval($_POST['y']) : $max_y; //$img->save_to_file = true; //$img->cut_x = $cut_x; //$img->cut_y = $cut_y; // //// generate thumbnail and show it //$img->GenerateThumbFile($cached_filename,''); echo "<script>alert('快照成功!');history.back(-1);</script>"; ?>