参考：https://gist.github.com/tomcatzh/5d1d0d9a95cecba798d1 func readLines(path string) ([]string, error) { file, err := os.Open(path) if err != nil { return nil, err } defer file.Close()

var lines []string scanner := bufio.NewScanner(file) for scanner.Scan() { lines = append(lines, scanner.Text()) } return lines, scanner.Err() }

// writeLines writes the lines to the given file. func writeLines(lines []string, path string) error { file, err := os.Create(path) if err != nil { return err } defer file.Close()

w := bufio.NewWriter(file) for _, line := range lines { fmt.Fprintln(w, line) } return w.Flush() }