case 1:imagegif($ground_im,$groundImage);break; case 2:imagejpeg($ground_im,$groundImage);break; case 3:imagepng($ground_im,$groundImage);break;改成: $quality = 100; case 1:imagegif($ground_im,$groundImage,$quality);break; case 2:imagejpeg($ground_im,$groundImage,$quality);break; case 3:imagepng($ground_im,$groundImage,(int)(($quality-1)/10));break;
case 2:imagejpeg($ground_im,$groundImage);break;
case 3:imagepng($ground_im,$groundImage);break;改成:
$quality = 100;
case 1:imagegif($ground_im,$groundImage,$quality);break;
case 2:imagejpeg($ground_im,$groundImage,$quality);break;
case 3:imagepng($ground_im,$groundImage,(int)(($quality-1)/10));break;