拷贝文件夹
(sourceDir, targetDir string)
| 67 | |
| 68 | // 拷贝文件夹 |
| 69 | func (this *Local) CopyDir(sourceDir, targetDir string) (err error) { |
| 70 | var fl []filetil.FileList |
| 71 | |
| 72 | sourceDir = strings.TrimLeft(sourceDir, "./") |
| 73 | targetDir = strings.TrimLeft(targetDir, "./") |
| 74 | |
| 75 | if fl, err = filetil.ScanFiles(sourceDir); err != nil { |
| 76 | return |
| 77 | } |
| 78 | if len(fl) == 0 { |
| 79 | return |
| 80 | } |
| 81 | |
| 82 | for _, f := range fl { |
| 83 | if f.IsDir { |
| 84 | continue |
| 85 | } |
| 86 | |
| 87 | // 不能用defer，因为在文件多的时候，会打开跟多文件句柄 |
| 88 | targetFile := strings.ReplaceAll(filepath.Join(targetDir, strings.TrimPrefix(f.Path, sourceDir)), "\\", "/") |
| 89 | src, errOpen := os.Open(f.Path) |
| 90 | if errOpen != nil { |
| 91 | return errOpen |
| 92 | } |
| 93 | |
| 94 | os.MkdirAll(filepath.Dir(targetFile), os.ModePerm) |
| 95 | target, errOpen := os.OpenFile(targetFile, os.O_WRONLY|os.O_CREATE, 0644) |
| 96 | if errOpen != nil { |
| 97 | src.Close() |
| 98 | return errOpen |
| 99 | } |
| 100 | |
| 101 | if _, err = io.Copy(target, src); err != nil { |
| 102 | target.Close() |
| 103 | src.Close() |
| 104 | return |
| 105 | } |
| 106 | target.Close() |
| 107 | src.Close() |
| 108 | } |
| 109 | return |
| 110 | } |