Golang：imaging一个简单、实用的图像处理工具

go get github.com/disintegration/imaging

package main
import (
    "log"
    "github.com/disintegration/imaging"
)
func main() {
    // 打开一个图片文件
    src, err := imaging.Open("./image.jpg")
    if err != nil {
        log.Fatalf("failed to open image: %v", err)
    }
    // 生成缩略图
    dst := imaging.Thumbnail(src, 100, 100, imaging.Lanczos)
    // 保存
    err = imaging.Save(dst, "thumbnail.jpg")
    if err != nil {
        log.Fatalf("failed to save image: %v", err)
    }
}