67 lines
1.1 KiB
Go
67 lines
1.1 KiB
Go
/**
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* @Author: fuxiao
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* @Email: 576101059@qq.com
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* @Date: 2021/8/26 4:59 下午
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* @Desc: TODO
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*/
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package internal
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import (
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"io"
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"os"
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"path/filepath"
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)
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// Exists check if the file or path exists.
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func Exists(path string) bool {
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if stat, err := os.Stat(path); stat != nil && !os.IsNotExist(err) {
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return true
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}
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return false
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}
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// SaveToFile save data to file.
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func SaveToFile(path string, data []byte) error {
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dir := filepath.Dir(path)
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if !Exists(dir) {
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if err := MakeDir(dir); err != nil {
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return err
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}
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}
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f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, os.FileMode(0666))
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if err != nil {
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return err
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}
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defer f.Close()
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if n, err := f.Write(data); err != nil {
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return err
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} else if n < len(data) {
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return io.ErrShortWrite
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}
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return nil
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}
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// MakeDir create directories recursively.
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func MakeDir(dir string) error {
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if err := os.MkdirAll(dir, os.ModePerm); err != nil {
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return err
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}
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return nil
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}
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// RealPath get the real path.
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func RealPath(path string) string {
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p, err := filepath.Abs(path)
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if err != nil {
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return ""
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}
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if !Exists(p) {
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return ""
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}
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return p
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}
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