func main() {
	json_str := `[{"id":3345195,"type":1,"txt":" "},{"id":3345234,"type":1,"txt":"sassa","file_ty":6,"music_vol":0,"bmt":0,"emt":0}]`

	var Ids []map[string]interface{}
	json.Unmarshal([]byte(json_str), &Ids)

	image_counts := len(Ids)
	videos := 0
	subtitles := 0 //字幕數
	decorates := 0 //含有貼紙的照片數

	var is_has_video bool = false
	var is_has_subtitle bool = false

	_, _ = is_has_video, is_has_subtitle
	for i := 0; i < image_counts; i++ {

		data := Ids[i]
		key, exist := data["file_ty"]
		fmt.Println(key)
		if exist && key.(float64) == 6 {
			videos += 1
			is_has_video = true
		}

		key, exist = data["txt"]
		if exist && strings.TrimSpace(key.(string)) != "" {
			subtitles += 1
			is_has_subtitle = true
		}

		key, exist = data["decorate"]
		if exist && key.(string) != "" {
			decorates += 1
		}
	}
	fmt.Println(videos, subtitles, decorates)
}