json 字符串如何转成相应的类(范型)

String s = "{\n" +
        "\t\"respCode\": \"000\",\n" +
        "\t\"respMessage\": \"请求成功\",\n" +
        "\t\"data\": [\n" +
        "\t\t{\n" +
        "\t\t\t\"id\": 53,\n" +
        "\t\t\t\"date\": \"2020-04-15 00:00:00\",\n" +
        "\t\t\t\"fileName\": \"OP_CODE(1).xlsx\",\n" +
        "\t\t\t\"uploadPeople\": \"陈永平\",\n" +
        "\t\t\t\"uploadDate\": \"2020-04-15 17:58:11\",\n" +
        "\t\t\t\"filePath\": \"/opt/app/app/performance/290901/2020-04-15/OP_CODE(1).xlsx\"\n" +
        "\t\t},\n" +
        "\t{\n" +
        "\t\t\"id\": 53,\n" +
        "\t\t\"date\": \"2020-04-15 00:00:00\",\n" +
        "\t\t\"fileName\": \"OP_CODE(1).xlsx\",\n" +
        "\t\t\"uploadPeople\": \"陈永平\",\n" +
        "\t\t\"uploadDate\": \"2020-04-15 17:58:11\",\n" +
        "\t\t\"filePath\": \"/opt/app/app/performance/290901/2020-04-15/OP_CODE(1).xlsx\"\n" +
        "\t}\n" +
        "\t]\n" +
        "}\n";

　　Type type = new TypeToken<Base<List<ParameterizedBean>>>(){}.getType(); //{} TypeToken中的构造方法被protected修饰只能通过子类去创建

　　Base b = new GsonBuilder().setDateFormat("yyyy-MM-dd HH:mm:ss").create().fromJson(s,type); System.out.println(b.toString());

class ParameterizedBean {
    int id;
    Date date;
    Date uploadDate;

    public Date getDate() {
        return date;
    }

    public void setDate(Date date) {
        this.date = date;
    }

    public Date getUploadDate() {
        return uploadDate;
    }

    public void setUploadDate(Date uploadDate) {
        this.uploadDate = uploadDate;
    }

    String fileName;
    String uploadPeople;
    String filePath;

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }


    public String getFileName() {
        return fileName;
    }

    public void setFileName(String fileName) {
        this.fileName = fileName;
    }

    public String getUploadPeople() {
        return uploadPeople;
    }

    public void setUploadPeople(String uploadPeople) {
        this.uploadPeople = uploadPeople;
    }

    public String getFilePath() {
        return filePath;
    }

    public void setFilePath(String filePath) {
        this.filePath = filePath;
    }
}

class Base<T> {
    public String code;
    public String message;

    public T data;


    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public T getData() {
        return data;
    }

    public void setData(T data) {
        this.data = data;
    }
}