智能在线客服系统源码GOFLY开发日志- 3. 获取程序执行的绝对路径

//判断文件文件夹不存在
func IsFileNotExist(path string) (bool, error) {
    _, err := os.Stat(path)
    if os.IsNotExist(err) {
        return true, nil
    }
    return false, err
}

//获取程序执行目录
func GetRunPath2() string {
    file, _ := exec.LookPath(os.Args[0])
    path, _ := filepath.Abs(file)
    index := strings.LastIndex(path, string(os.PathSeparator))
    ret := path[:index]
    return ret
}

//获取程序根目录
func GetRootPath() string {
    rootPath, _ := os.Getwd()
    if notExist, _ := IsFileNotExist(rootPath); notExist {
        rootPath = GetRunPath2()
        if notExist, _ := IsFileNotExist(rootPath); notExist {
            rootPath = "."
        }
    }
    return rootPath
}