| 源码简介： |
学生进入在线自测系统后，就是进行答题。试题应该是不固定的，要随机产生。学生提交试卷或者是考试时间到后，要能看到正确答案。 老师进入在线自测系统后，首先要做的就是录入试题，并能够对已经录入的试题进行管理。老师还可以看到一个学生的成绩和一个班级的成绩。-For the description of teachers’ use case, they can add, modify, delete and query the training questions.For the description of students’ use case, they can extract examinations, submit the training questions, and check out the correct answers of training questions, the exam scores as well as the analysis.
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