利用lzw算法将.bmp图像文件压缩成.gif文件 点击打开载入图像，点击压缩后，显示压缩后图像，并将图像保存到同样的文件夹下 -Using LZW algorithm. Bmp image files compressed into. Gif file Click to open loading images, click on the compressed, showing the compressed images, and images saved to the same fol