golang tempfile 代码
文件路径：/src/io/ioutil/tempfile.go
/ Copyright 2010 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
package ioutil
import (
"os"
)
/ TempFile creates a new temporary file in the directory dir,
/ opens the file for reading and writing, and returns the resulting *os.File.
/ The filename is generated by taking pattern and adding a random
/ string to the end. If pattern includes a "*", the random string
/ replaces the last "*".
/ If dir is the empty string, TempFile uses the default directory
/ for temporary files (see os.TempDir).
/ Multiple programs calling TempFile simultaneously
/ will not choose the same file. The caller can use f.Name()
/ to find the pathname of the file. It is the caller's responsibility
/ to remove the file when no longer needed.
/
/ Deprecated: As of Go 1.17, this function simply calls os.CreateTemp.
func TempFile(dir, pattern string) (f *os.File, err error) {
return os.CreateTemp(dir, pattern)
}
/ TempDir creates a new temporary directory in the directory dir.
/ The directory name is generated by taking pattern and applying a
/ random string to the end. If pattern includes a "*", the random string
/ replaces the last "*". TempDir returns the name of the new directory.
/ If dir is the empty string, TempDir uses the
/ default directory for temporary files (see os.TempDir).
/ Multiple programs calling TempDir simultaneously
/ will not choose the same directory. It is the caller's responsibility
/ to remove the directory when no longer needed.
/
/ Deprecated: As of Go 1.17, this function simply calls os.MkdirTemp.
func TempDir(dir, pattern string) (name string, err error) {
return os.MkdirTemp(dir, pattern)
}