func getFileMD5(fileName string) string {
cmd := exec.Command("cmd", "/C", "CertUtil", "-hashfile", fileName, "MD5|findstr", "/V", ":")
out, _ := cmd.Output()
cmd.Run()
str := string(out[:])
str = strings.Replace(str, " ", "", -1)
return str[:32]
}
原文：https://www.cnblogs.com/sherlock-merlin/p/11566972.html