public ResultEntity deleteExercise(int?exerciseId)
{
ResultEntity resultEntity = new ResultEntity();
if (exerciseId != null)
{
Exercise exercise = ExerciseApi.findByExerciseId(exerciseId);
if (exercise != null)
{
ExerciseApi.delete(exercise.exerciseId);
resultEntity.setState(1);
resultEntity.setMessage("习题删除成功！");
}
else
{
resultEntity.setMessage("未找到对应习题！");
resultEntity.setState(0);
}
}
else
{
resultEntity.setMessage("传入参数为空！");
resultEntity.setState(0);
}
return(resultEntity);
}
public ResultEntity findOneExerice(int?exerciseId)
{
ResultEntity resultEntity = new ResultEntity();
if (exerciseId != null)
{
Exercise exercise = ExerciseApi.findByExerciseId(exerciseId);
if (exercise != null)
{
if (exercise.exerciseType % 3 != 0)
{
List <ExerciseChoice> exerciseChoices = ExerciseChoiceApi.findByExerciseIdOrderByExerciceChoiceId(exerciseId);
resultEntity.setData(new ExerciseSet(exercise, exerciseChoices));
}
else
{
resultEntity.setData(new ExerciseSet(exercise));
}
resultEntity.setState(1);
resultEntity.setMessage("搜索习题成功！");
}
else
{
resultEntity.setMessage("搜索习题失败！");
resultEntity.setState(0);
}
}
else
{
resultEntity.setMessage("传入参数为空！");
resultEntity.setState(0);
}
return(resultEntity);
}
public ResultEntity alterExercise(Exercise exercise)
{
ResultEntity resultEntity = new ResultEntity();
if (exercise != null)
{
//fragile
Exercise exercise1 = ExerciseApi.findByExerciseId(exercise.exerciseId);
if (exercise1 != null)
{
resultEntity.setData(ExerciseApi.insert(exercise));
resultEntity.setState(1);
resultEntity.setMessage("习题修改成功！");
}
else
{
resultEntity.setMessage("未找到对应习题！");
resultEntity.setState(0);
}
}
else
{
resultEntity.setMessage("传入参数为空！");
resultEntity.setState(0);
}
return(resultEntity);
}
public ResultEntity answerOne(String answer, int?exerciseId, int?studentId)
{
ResultEntity resultEntity = new ResultEntity();
StudentExerciseScore studentExerciseScore = new StudentExerciseScore(studentId, exerciseId, answer, 0.ToString());
studentExerciseScore.corrected = 0;
Exercise exercise = ExerciseApi.findByExerciseId(exerciseId);
if (studentExerciseScore != null)
{
if (exercise.exerciseType % 3 != 0)
{
if (answer.Equals(exercise.exerciseAnswer))
{
studentExerciseScore.corrected = 1;
studentExerciseScore.exerciseScore = exercise.exercisePoint.ToString();
}
}
resultEntity.setData(StudentExerciseScoreApi.insert(studentExerciseScore));
if (resultEntity.getData() != null)
{
resultEntity.setState(1);
resultEntity.setMessage("答题成功 ！");
}
else
{
resultEntity.setMessage("答题失败！");
resultEntity.setState(0);
}
}
else
{
resultEntity.setMessage("传入参数为空！");
resultEntity.setState(0);
}
return(resultEntity);
}