void BuildFromFile()
    {
        //清除敏感词,重新构建
        SensitiveWordFiltering.Clear();

        var startTime = Time.realtimeSinceStartup;

        var filePath    = Path.Combine(Application.dataPath, "SensitiveWord.txt");
        var fileContent = File.ReadAllText(filePath);

        if (string.IsNullOrEmpty(fileContent))
        {
            Debug.LogErrorFormat("文件:{0}内容为空。", filePath);
            return;
        }

        StringBuilder sb = new StringBuilder(fileContent);

        sb.Replace(System.Environment.NewLine, ",");
        var splitedSensitiveWords = sb.ToString().Split(',');

        SensitiveWordFiltering.Add(splitedSensitiveWords);
        Debug.LogFormat("构建的花费时间:{0}", Time.realtimeSinceStartup - startTime);

        //检查关键字
        startTime = Time.realtimeSinceStartup;
        Debug.Log(SensitiveWordFiltering.Filter("去氧麻黃堿或安非他命"));
        Debug.LogFormat("关键检查耗时:{0}", Time.realtimeSinceStartup - startTime);
    }
    void BuildFromCode()
    {
        //清除敏感词,重新构建
        SensitiveWordFiltering.Clear();

        //初始化调用一次
        string[] sensitiveWords = new string[3] {
            "日", "日本", "日本人"
        };                                                            //自测试的敏感词而已
        SensitiveWordFiltering.Add(sensitiveWords);


        //检查关键字
        Debug.Log(SensitiveWordFiltering.Filter("日"));
        Debug.Log(SensitiveWordFiltering.Filter("本人"));
        Debug.Log(SensitiveWordFiltering.Filter("日本"));
        Debug.Log(SensitiveWordFiltering.Filter("日本人"));
    }