feat(初始项目): 初始项目

.gitignore

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+.idea/
+.vscode/
+.devcontainer/

README.md

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 # setft
+Golang SetFileTime，修改文件的访问时间、创建时间、修改时间。
+

go.mod

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+module github.com/xiaoqidun/setft
+
+go 1.16

setft.go

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+// +build !windows
+
+package setft
+
+import (
+	"os"
+	"time"
+)
+
+func SetFileTime(path string, atime, ctime, mtime time.Time) (err error) {
+	return os.Chtimes(path, atime, mtime)
+}

setft_test.go

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+package setft
+
+import (
+	"testing"
+	"time"
+)
+
+func TestSetFileTime(t *testing.T) {
+	layout := "2006-01-02 15:04:05"
+	atime, _ := time.ParseInLocation(layout, "2021-01-01 00:00:00", time.Local)
+	ctime, _ := time.ParseInLocation(layout, "2021-01-01 00:00:00", time.Local)
+	mtime, _ := time.ParseInLocation(layout, "2021-01-01 00:00:00", time.Local)
+	if err := SetFileTime("setft_test.go", atime, ctime, mtime); err != nil {
+		t.Fatal(err)
+	}
+}

setft_windows.go

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+package setft
+
+import (
+	"syscall"
+	"time"
+)
+
+func SetFileTime(path string, atime, ctime, mtime time.Time) (err error) {
+	path, err = syscall.FullPath(path)
+	if err != nil {
+		return
+	}
+	pathPtr, err := syscall.UTF16PtrFromString(path)
+	if err != nil {
+		return
+	}
+	handle, err := syscall.CreateFile(pathPtr, syscall.FILE_WRITE_ATTRIBUTES, syscall.FILE_SHARE_WRITE, nil, syscall.OPEN_EXISTING, syscall.FILE_FLAG_BACKUP_SEMANTICS, 0)
+	if err != nil {
+		return
+	}
+	defer syscall.Close(handle)
+	a := syscall.NsecToFiletime(syscall.TimespecToNsec(syscall.NsecToTimespec(atime.UnixNano())))
+	c := syscall.NsecToFiletime(syscall.TimespecToNsec(syscall.NsecToTimespec(ctime.UnixNano())))
+	m := syscall.NsecToFiletime(syscall.TimespecToNsec(syscall.NsecToTimespec(mtime.UnixNano())))
+	return syscall.SetFileTime(handle, &c, &a, &m)
+}