You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
package util
|
|
|
|
|
|
|
|
|
|
import (
|
|
|
|
|
"io"
|
|
|
|
|
"os"
|
|
|
|
|
"path/filepath"
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
// Exists reports whether the named file or directory exists.
|
|
|
|
|
func Exists(name string) bool {
|
|
|
|
|
if _, err := os.Stat(name); err != nil {
|
|
|
|
|
if os.IsNotExist(err) {
|
|
|
|
|
return false
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return true
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// CreatNestedFile 给定path创建文件,如果目录不存在就递归创建
|
|
|
|
|
func CreatNestedFile(path string) (*os.File, error) {
|
|
|
|
|
basePath := filepath.Dir(path)
|
|
|
|
|
if !Exists(basePath) {
|
|
|
|
|
err := os.MkdirAll(basePath, 0700)
|
|
|
|
|
if err != nil {
|
|
|
|
|
Log().Warning("无法创建目录,%s", err)
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return os.Create(path)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// IsEmpty 返回给定目录是否为空目录
|
|
|
|
|
func IsEmpty(name string) (bool, error) {
|
|
|
|
|
f, err := os.Open(name)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return false, err
|
|
|
|
|
}
|
|
|
|
|
defer f.Close()
|
|
|
|
|
|
|
|
|
|
_, err = f.Readdirnames(1) // Or f.Readdir(1)
|
|
|
|
|
if err == io.EOF {
|
|
|
|
|
return true, nil
|
|
|
|
|
}
|
|
|
|
|
return false, err // Either not empty or error, suits both cases
|
|
|
|
|
}
|