考试系统，交卷的功能实现？

Question

毕设做一个在线考试系统，在交卷功能这卡住了，开始答题后从数据库查出相应题目，遍历在页面上，答完之后交卷该怎么实现，怎么将题目和答案传到后台封装成对象🙃

Answer 1

{"shiJuan":"试卷1","daAn":{"题目1":"答案1","题目2","答案2"}}；
{"shiJuan":"试卷1","daAn":["答案1","答案2","答案3"]}；
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