2.Retrofit上传list数组给后端

bean类：

public class Answer {    /**     * subject_id : 1     * option_opt : ["a"]     */    private int subject_id;    private List option_opt;    public int getSubject_id() {        return subject_id;    }    public void setSubject_id(int subject_id) {        this.subject_id = subject_id;    }    public List getOption_opt() {        return option_opt;    }    public void setOption_opt(List option_opt) {        this.option_opt = option_opt;    }}

AppService:

//提交答案
@POST(Constants.SUBMIT)
Observable submitQuestion(@Header("managerid") int managerid,
                                      @Query("testId") int testId,
                                      @Query("times") int times,
                                      @Body RequestBody answer);

接口：

public void submitAnswer(int managerId,int testId,int times, RequestBody answer){

    retrofitHelper.toSubscribe(req.submitQuestion(managerId,testId,times,answer), new Subscriber() {
        @Override
        public void onCompleted() {
            mvpView.onGetDataCompleted();
        }

        @Override
        public void onError(Throwable e) {
            mvpView.onGetDataError(e);
        }

        @Override
        public void onNext(SubmitBeansubmitBean) {
            mvpView.onSubmitDataNext(submitBean);
        }
    });
}

activity中处理：

List answerList = new ArrayList<>();

给bean类赋值：

       整理答案到bean类
                Answer answerBean = new Answer();
                List option_opt = new ArrayList<>();

                if (subject.get(allCount - 1).subject_type == 1) {
                    option_opt.add(choiceId);
                } else{
                    for (int i = 0; i < cbId.size(); i++) {
                        option_opt.add(cbId.get(i));
                    }
                }

                answerBean.setSubject_id(subject.get(allCount- 1).id);
                answerBean.setOption_opt(option_opt);

                answerList.add(answerBean);

上传后台：

private void submitChoice() {
    Gson gson = new Gson();
    String json = gson.toJson(answerList);
    RequestBody body = RequestBody.create(MediaType.parse("application/json; charset=utf-8"),json);

    endDate = new Date(System.currentTimeMillis());

    long times = endDate.getTime() - getDate.getTime();
    int i = (int)times;

    Log.i("HHH","answer答案"+json);
    quizPersenter.submitAnswer(managerId,squareId,i,body);

}

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