private void MapTrueOrFalse(TrueOrFalseQuestion trueOrFalseQuestion)
{
this.QuestionType = QuestionType.TrueOrFalse;
this.PossibleAnswers = new List <string>()
{
"true", "false"
};
this.MaxAnswerLength = 1;
}
/// <summary>
/// 通过题目类型更改题目
/// </summary>
/// <param name="type">题目类型</param>
/// <param name="id">题目Id</param>
/// <param name="examid">考试Id</param>
/// <param name="stem">题目题干</param>
/// <param name="parameters">题目参数</param>
/// <returns>更改成功与否</returns>
public bool UpdateExamQuestion(ExamQuestion.QuestionType type, int id, int examid, string stem, object[] parameters)
{
if (parameters == null)
{
return(false);
}
ExaminationQuestion question = null;
switch (type)
{
case ExamQuestion.QuestionType.ChoiceQuestion:
if (parameters.Length == 2)
{
List <string> ops = Newtonsoft.Json.JsonConvert.DeserializeObject <List <string> >(parameters[1].ToString());
question = new ChoiceQuestion(Convert.ToInt32(parameters[0].ToString()), ops.ToArray(), stem);
}
else
{
return(false);
}
break;
case ExamQuestion.QuestionType.GapFillingQuestion:
if (parameters.Length == 1)
{
question = new GapFillingQuestion(parameters[0].ToString(), stem);
}
else
{
return(false);
}
break;
case ExamQuestion.QuestionType.ShortAnswerQuestion:
if (parameters.Length == 1)
{
question = new ShortAnswerQuestion(parameters[0].ToString(), stem);
}
else
{
return(false);
}
break;
case ExamQuestion.QuestionType.TrueOrFalseQuestion:
if (parameters.Length == 1)
{
question = new TrueOrFalseQuestion(Convert.ToBoolean(parameters[0].ToString()), stem);
}
else
{
return(false);
}
break;
}
if (question == null)
{
return(false);
}
ExamQuestion examQuestion = new ExamQuestion(id, examid, question);
return(UpdateExaminationQuestion(examQuestion));
}
