golang批量重新命名圖片

func RenamePic(c *gin.Context){

dir:="C:\\Users\\cixu\\Desktop\\100D5600-3"

// 遍歷資料夾，獲取檔案路徑
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
})

pattern:="" //重新命名圖片的字首

// 遍歷檔案路徑，修改檔名
for i, path := range paths {
newPath := filepath.Join(filepath.Dir(path), fmt.Sprintf("%s%d",pattern, i+1)+filepath.Ext(path))
os.Rename(path, newPath)

}

c.JSON(http.StatusOK,gin.H{"value":pattern})
}