104 lines
2.4 KiB
Go
104 lines
2.4 KiB
Go
// Package file
|
|
// @Link https://github.com/bufanyun/hotgo
|
|
// @Copyright Copyright (c) 2023 HotGo CLI
|
|
// @Author Ms <133814250@qq.com>
|
|
// @License https://github.com/bufanyun/hotgo/blob/master/LICENSE
|
|
package file
|
|
|
|
import (
|
|
"bytes"
|
|
"hotgo/utility/format"
|
|
"io"
|
|
"mime/multipart"
|
|
"os"
|
|
"path/filepath"
|
|
|
|
"github.com/gogf/gf/v2/os/gfile"
|
|
)
|
|
|
|
// 文件信息
|
|
type fileInfo struct {
|
|
name string
|
|
size int64
|
|
}
|
|
|
|
// WalkDir 递归获取目录下文件的名称和大小
|
|
func WalkDir(dirname string) (error, []fileInfo) {
|
|
op, err := filepath.Abs(dirname) // 获取目录的绝对路径
|
|
if nil != err {
|
|
return err, nil
|
|
}
|
|
files, err := os.ReadDir(op) // 获取目录下所有文件的信息，包括文件和文件夹
|
|
if nil != err {
|
|
return err, nil
|
|
}
|
|
|
|
var fileInfos []fileInfo // 返回值，存储读取的文件信息
|
|
for _, f := range files {
|
|
if f.IsDir() { // 如果是目录，那么就递归调用
|
|
err, fs := WalkDir(op + `/` + f.Name()) // 路径分隔符，linux 和 windows 不同
|
|
if nil != err {
|
|
return err, nil
|
|
}
|
|
fileInfos = append(fileInfos, fs...) // 将 slice 添加到 slice
|
|
} else {
|
|
info, err := f.Info()
|
|
if nil != err {
|
|
return err, nil
|
|
}
|
|
fi := fileInfo{op + `/` + f.Name(), info.Size()}
|
|
fileInfos = append(fileInfos, fi) // slice 中添加成员
|
|
}
|
|
}
|
|
return nil, fileInfos
|
|
}
|
|
|
|
// DirSize 获取目录下所有文件大小
|
|
func DirSize(dirname string) string {
|
|
var (
|
|
ss int64
|
|
_, files = WalkDir(dirname)
|
|
)
|
|
for _, n := range files {
|
|
ss += n.size
|
|
}
|
|
return format.FileSize(ss)
|
|
}
|
|
|
|
func MergeAbs(path string, fileName ...string) string {
|
|
var paths = []string{gfile.RealPath(path)}
|
|
paths = append(paths, fileName...)
|
|
return gfile.Join(paths...)
|
|
}
|
|
|
|
// NewMultipartFileHeader 创建一个MultipartFileHeader
|
|
func NewMultipartFileHeader(filename string, b []byte) (*multipart.FileHeader, error) {
|
|
body := &bytes.Buffer{}
|
|
writer := multipart.NewWriter(body)
|
|
|
|
part, err := writer.CreateFormFile("file", filename)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if _, err = io.Copy(part, bytes.NewReader(b)); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if err = writer.Close(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
reader := multipart.NewReader(body, writer.Boundary())
|
|
form, err := reader.ReadForm(int64(len(b)) + 1024)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer form.RemoveAll()
|
|
|
|
if files, ok := form.File["file"]; ok && len(files) > 0 {
|
|
return files[0], nil
|
|
}
|
|
return nil, io.ErrUnexpectedEOF
|
|
}
|