Golang 实现复制文件夹同时复制文件

 /** * 拷贝文件夹,同时拷贝文件夹中的文件 * @param srcPath 需要拷贝的文件夹路径: D:/test * @param destPath 拷贝到的位置: D:/backup/ */ func CopyDir(srcPath string, destPath string) error { //检测目录正确性 if srcInfo, err := os.Stat(srcPath); err != nil { fmt.Println(err.Error()) return err } else { if !srcInfo.IsDir() { e := errors.New("srcPath不是一个正确的目录！") fmt.Println(e.Error()) return e } } if destInfo, err := os.Stat(destPath); err != nil { fmt.Println(err.Error()) return err } else { if !destInfo.IsDir() { e := errors.New("destInfo不是一个正确的目录！") fmt.Println(e.Error()) return e } } //加上拷贝时间:不用可以去掉 destPath = destPath + "_" + time.Now().Format("20060102150405") err := filepath.Walk(srcPath, func(path string, f os.FileInfo, err error) error { if f == nil { return err } if !f.IsDir() { path := strings.Replace(path, "\\", "/", -1) destNewPath := strings.Replace(path, srcPath, destPath, -1) fmt.Println("复制文件:" + path + " 到 " + destNewPath) copyFile(path, destNewPath) } return nil }) if err != nil { fmt.Printf(err.Error()) } return err } //生成目录并拷贝文件 func copyFile(src, dest string) (w int64, err error) { srcFile, err := os.Open(src) if err != nil { fmt.Println(err.Error()) return } defer srcFile.Close() //分割path目录 destSplitPathDirs := strings.Split(dest, "/") //检测时候存在目录 destSplitPath := "" for index, dir := range destSplitPathDirs { if index 

 package main import ( "flag" "fmt" "os" "path/filepath" "strings" "time" "github.com/Unknwon/com" ) const ( IsDirectory = iota IsRegular IsSymlink ) type sysFile struct { fType int fName string fLink string fSize int64 fMtime time.Time fPerm os.FileMode } type F struct { files []*sysFile } func (self *F) visit(path string, f os.FileInfo, err error) error { if f == nil { return err } var tp int if f.IsDir() { tp = IsDirectory } else if (f.Mode() & os.ModeSymlink) > 0 { tp = IsSymlink } else { tp = IsRegular } inoFile := &sysFile{ fName: path, fType: tp, fPerm: f.Mode(), fMtime: f.ModTime(), fSize: f.Size(), } self.files = append(self.files, inoFile) return nil } func main() { flag.Parse() sourcedir := flag.Arg(0) decdir := flag.Arg(1) source := F{ files: make([]*sysFile, 0), } err := filepath.Walk(sourcedir, func(path string, f os.FileInfo, err error) error { return source.visit(path, f, err) }) if err != nil { fmt.Printf("filepath.Walk() returned %v\n", err) } dec := F{ files: make([]*sysFile, 0), } err = filepath.Walk(decdir, func(path string, f os.FileInfo, err error) error { return dec.visit(path, f, err) }) if err != nil { fmt.Printf("filepath.Walk() returned %v\n", err) } for _, v := range source.files { if com.IsFile(v.fName) == true { tmp1 := strings.Split(v.fName, "\\") sourcename := tmp1[len(tmp1)-1] for _, r := range dec.files { if com.IsFile(r.fName) == true { tmp2 := strings.Split(r.fName, "\\") decname := tmp2[len(tmp2)-1] if sourcename == decname { fmt.Printf("the same file: %s\n", sourcename) com.Copy(v.fName, r.fName) } } } } } }