function photothumb($p_thumb_file, $p_photo_file, $p_max_size, $p_quality = 75) {$pic = @imagecreatefromjpeg($p_photo_file);if ($pic) {$thumb = @imagecreatetruecolor ($p_max_size, $p_max_size) or die ("Can't create Image!");$width = imagesx($pic);$height = imagesy($pic);if ($width $twidth = $p_max_size;$theight = $twidth * $height / $width;imagecopyresized($thumb, $pic, 0, 0, 0, ($height/2)-($width/2), $twidth, $theight, $width, $height);} else {$theight = $p_max_size;$twidth = $theight * $width / $height;imagecopyresized($thumb, $pic, 0, 0, ($width/2)-($height/2), 0, $twidth, $theight, $width, $height);}ImageJPEG ($thumb, $p_thumb_file, $p_quality);}}?>复制代码
又一个生成图片缩略图的函数
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