Go 复制文件

/** * Created with IntelliJ IDEA. * User: luosangnanka * Date: 13-7-16 * Time: 下午3:25 * To change this template use File | Settings | File Templates. */package mainimport (f "fmt""io""os")func main() {w, err := CopyFile("sb.log", "hellosb.log")if err != nil {f.Println(err.Error())}f.Println(w)}func CopyFile(src, des string) (w int64, err error) {srcFile, err := os.Open(src)if err != nil {f.Println(err)}defer srcFile.Close()desFile, err := os.Create(des)if err != nil {f.Println(err)}defer desFile.Close()return io.Copy(desFile, srcFile)}

当目标文件内容和原文件不符之时 目标文件会被原文件覆盖。