private void readAudioPartConfig()
    {
        string          strJson = FileUtil.LoadFile(strOutPutPath_, AUDIO_PART_CONFIG_FILE_NAME);
        AudioPartConfig config  = JsonUtility.FromJson <AudioPartConfig>(strJson);

        listAudioParts_ = config.ListAudioParts;
    }
    private void saveAudioPartConfig()
    {
        /*
         * 保存音频片段配置信息
         */
        AudioPartConfig audioPart = new AudioPartConfig();

        audioPart.ListAudioParts = listAudioParts_;
        string strJson = JsonUtility.ToJson(audioPart);

        FileUtil.CreateFile(strOutPutPath_, AUDIO_PART_CONFIG_FILE_NAME, strJson);
    }