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Merge pull request #31 from Ccheers/dev
feat(xfs): xfs 包 用于处理文件系统业务, 目前支持文件拷贝 & 文件夹递归拷贝
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| package xfs | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "path/filepath" | ||
| ) | ||
|
|
||
| // CopyDirectory 递归地复制整个目录 | ||
| func CopyDirectory(src string, dst string) error { | ||
| src = filepath.Clean(src) | ||
| dst = filepath.Clean(dst) | ||
|
|
||
| si, err := os.Stat(src) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if !si.IsDir() { | ||
| return fmt.Errorf("source is not a directory") | ||
| } | ||
|
|
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| _, err = os.Stat(dst) | ||
| if err != nil && !os.IsNotExist(err) { | ||
| return err | ||
| } | ||
|
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| err = os.MkdirAll(dst, si.Mode()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| entries, err := os.ReadDir(src) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| for _, entry := range entries { | ||
| srcPath := filepath.Join(src, entry.Name()) | ||
| dstPath := filepath.Join(dst, entry.Name()) | ||
|
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| if entry.IsDir() { | ||
| err = CopyDirectory(srcPath, dstPath) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } else { | ||
| // 跳过符号链接 | ||
| if entry.Type()&os.ModeSymlink != 0 { | ||
| continue | ||
| } | ||
|
|
||
| err = CopyFile(srcPath, dstPath) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| } | ||
|
|
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| return nil | ||
| } | ||
|
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| // CopyFile 复制单个文件 | ||
| func CopyFile(src, dst string) error { | ||
| sourceFileStat, err := os.Stat(src) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if !sourceFileStat.Mode().IsRegular() { | ||
| return fmt.Errorf("%s is not a regular file", src) | ||
| } | ||
|
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| source, err := os.Open(src) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer source.Close() | ||
|
|
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| destination, err := os.Create(dst) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer destination.Close() | ||
|
|
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| _, err = io.Copy(destination, source) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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||
| return os.Chmod(dst, sourceFileStat.Mode()) | ||
| } |