renamedirfiles.exe -d "E:\shared\圖片素材\ps123_20121120_01\背景圖片打包下載" -p "bg%d"

package main
import (
    "flag"
    "fmt"
    "os"
    "path/filepath"
)
func main() {
    // 解析命令行參數
    var dir string
    flag.StringVar(dir, "d", "", "directory path")
    var pattern string
    flag.StringVar(pattern, "p", "", "name pattern, eg. newname%d")
    flag.Parse()
    if dir == "" || pattern == "" {
        flag.Usage()
        return
    }
    // 遍歷文件夾，獲取文件路徑
    paths := make([]string, 0)
    filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
        if !info.IsDir() {
            paths = append(paths, path)
        }
        return nil
    })
    // 遍歷文件路徑，修改文件名
    for i, path := range paths {
        newPath := filepath.Join(filepath.Dir(path), fmt.Sprintf(pattern, i+1)+filepath.Ext(path))
        os.Rename(path, newPath)
    }
}

import (
 "fmt"
 "io/ioutil"
 "log"
 "os"
 "strings"
)
func main()  {
 path:="C:\\Users\\Desktop\\3_2020最新_Python_(MySQL_SQL_Redis)數據庫詳解"
 listFiles(path)
}
func listFiles(dirname string) {
 fileInfos, err := ioutil.ReadDir(dirname)
 if err!=nil {
  log.Fatal(err)
 }
 for _, f := range fileInfos {
  filename := dirname + "\\" + f.Name() //記錄當前文件夾下的文件名
  //如果文件名包含如下字段，則將其文件名更改
  if strings.Contains(f.Name(),"(更多資源訪問：www.xxx.cn)") {
   os.Rename(filename,dirname+"\\"+strings.Replace(f.Name(),"(更多資源訪問：www.xxx.cn)","",-1))
  }
  fmt.Println(filename)                  //打印文件地址
  if f.IsDir() {                        //判斷是否是文件夾 如果是文件夾則繼續遞歸調用
   listFiles(filename)
  }
 }
}