package mainimport (	"image"	"image/color"	"image/gif"	"os")var palette = []color.Color{color.White, color.Black, color.RGBA{0x22, 0xCC, 0x33, 0xff}}func main() {	const (		nframes = 100		delay   = 8		size    = 200	)	phase := 0	anim := gif.GIF{LoopCount: nframes}	for i := 0; i < nframes; i++ {		rect := image.Rect(0, 0, size+1, size+1)		img := image.NewPaletted(rect, palette)		for t := 0; t < size; t++ {			x := phase			y := t			img.SetColorIndex(x, y, 1)		}		phase += size / nframes		anim.Delay = append(anim.Delay, delay)		anim.Image = append(anim.Image, img)	}	var filename = "test.gif"	if len(os.Args) > 1 {		filename = os.Args[1] + ".gif"	}	file, _ := os.Create(filename)	defer file.Close()	gif.EncodeAll(file, &anim)}

　执行命令

go build main.gomain.exe

　在当前目录中可以看到test.gif

打开即可