private MCQuestion CreateMCQuestion(SectionBaseInfo info, Section section)
{
valuesStruct valueMC = new valuesStruct(10); //题干展示的值
//随即获得数值
this.GetRandomValues(info, ref valueMC);
questionValueList.Add((decimal.ToInt32(valueMC.values[0])));
//生产题干文本
string questionText = QuestionText(valueMC);
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
int valueLst = (decimal.ToInt32(valueMC.answer)) - 12, valueMst = (decimal.ToInt32(valueMC.answer)) + 12;
if (valueLst - 12 <= 1)
{
valueLst = 1;
}
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
4, valueLst, valueMst, false, (c => (c == decimal.ToInt32(valueMC.answer))), decimal.ToInt32(valueMC.answer)))
{
optionList.Add(option);
}
return(optionList);
}
);
StringBuilder strBuilder = new StringBuilder();
//解题步骤
string Steps = SolveSteps(valueMC);
strBuilder.AppendLine(Steps);
mcQuestion.Solution.Content = strBuilder.ToString();
section.QuestionCollection.Add(mcQuestion);
return(mcQuestion);
}
public ActionResult Create([Bind(Include = "id,Question,A,B,C,D,CorrectAnswer,TopicId")] MCQuestion mCQuestion)
{
if (ModelState.IsValid)
{
var top = db.Topics.Find(mCQuestion.TopicId);
mCQuestion.QuestionTopic = top;
top.Questions.Add(mCQuestion);
db.MCQuestions.Add(mCQuestion);
db.SaveChanges();
return(RedirectToAction("Index"));
}
ViewBag.Topics = db.Topics.ToList();
return(View(mCQuestion));
}
// GET: MCQuestions/Details/5
public ActionResult Details(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
MCQuestion mCQuestion = db.MCQuestions.Find(id);
if (mCQuestion == null)
{
return(HttpNotFound());
}
return(View(mCQuestion));
}
internal static MCQuestion CreateMCQuestion(CreateQuestionContentDelegate bodyCallback, CreateQuestionOptionDelegate optionCallback)
{
MCQuestion mcQuestion = new MCQuestion();
bodyCallback(mcQuestion.Content);
foreach (QuestionOption option in optionCallback())
{
mcQuestion.QuestionOptionCollection.Add(option);
}
mcQuestion.RandomOption = false;
return(mcQuestion);
}
// GET: MCQuestions/Edit/5
public ActionResult Edit(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
MCQuestion mCQuestion = db.MCQuestions.Find(id);
if (mCQuestion == null)
{
return(HttpNotFound());
}
ViewBag.Topics = db.Topics.ToList();
return(View(mCQuestion));
}
public ActionResult Edit([Bind(Include = "id,Question,A,B,C,D,CorrectAnswer,TopicId")] MCQuestion mCQuestion)
{
if (ModelState.IsValid)
{
var top = db.Topics.Find(mCQuestion.TopicId);
mCQuestion.QuestionTopic = top;
db.Entry(mCQuestion).State = EntityState.Modified;
db.SaveChanges();
return(RedirectToAction("Index"));
}
ViewBag.Topics = db.Topics.ToList();
return(View(mCQuestion));
}
public MCQuestionUserControl(MCQuestion mcQuestion)
{
InitializeComponent();
this.mcQuestion = mcQuestion;
this.optionListView.ItemsSource = this.tempOptionList;
foreach (QuestionOption option in this.mcQuestion.QuestionOptionCollection)
{
this.tempOptionList.Add(option.Clone() as QuestionOption);
}
if (this.mcQuestion.Content != null)
{
this.richTextEditor.Text = this.mcQuestion.Content.Content;
}
}
private void CreateMCQuestion(SectionBaseInfo sectionInfo, Section section)
{
Random rand = new Random((int)DateTime.Now.Ticks);
int minValue = 1;
int maxValue = 10;
int j = 2;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
string questionText = "从下面选项中选出分数。";
List <QuestionContentPart> solutionContentPartList = new List <QuestionContentPart>();
QuestionContent solution = new QuestionContent();
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
this.AppendDoubleOption(minValue, maxValue, optionList, solution);
this.AppendFractionOption(minValue, maxValue, optionList, solution);
optionList[optionList.Count - 1].IsCorrect = true;
this.AppendIntegerOption(minValue, maxValue, optionList, solution);
return(optionList);
}
);
mcQuestion.Solution = solution;
mcQuestion.RandomOption = true;
section.QuestionCollection.Add(mcQuestion);
}
private void CreateMCQuestion(SectionBaseInfo sectionInfo, Section section)
{
Random rand = new Random((int)DateTime.Now.Ticks);
int minValue = 0;
int maxValue = 10 + 1;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
string questionText = string.Format("选出是带小数的数。");
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
foreach (QuestionOption temp in ObjectCreator.CreateDoubleOption(0, 0, minValue, maxValue))
{
optionList.Add(temp);
}
foreach (QuestionOption temp in ObjectCreator.CreateIntegerOption(minValue, maxValue))
{
optionList.Add(temp);
}
foreach (QuestionOption temp in ObjectCreator.CreateDoubleOption(minValue + 1, maxValue + 1, minValue + 1, maxValue))
{
temp.IsCorrect = true;
optionList.Add(temp);
}
foreach (QuestionOption temp in ObjectCreator.CreateDoubleOption(0, 0, minValue + 1, maxValue))
{
optionList.Add(temp);
}
return(optionList);
}
);
mcQuestion.RandomOption = true;
section.QuestionCollection.Add(mcQuestion);
StringBuilder strBuilder = new StringBuilder();
foreach (QuestionOption option in mcQuestion.QuestionOptionCollection)
{
QuestionContent content = option.OptionContent;
if (content.QuestionPartCollection[0] is ArithmeticDecimalValuePart)
{
ArithmeticDecimalValuePart decimalPart = content.QuestionPartCollection[0] as ArithmeticDecimalValuePart;
decimal value = decimalPart.Value.Value;
if (value < 1 && value != 0)
{
strBuilder.AppendLine(string.Format("{0}是整数部分为零的小数，是纯小数。", value));
}
else if (value % 1 != 0)
{
strBuilder.AppendLine(string.Format("{0}整数部分不为零的小数，是带小数，是正确答案。", value));
}
else
{
strBuilder.AppendLine(string.Format("{0}是整数。", value));
}
}
}
mcQuestion.Solution.Content = strBuilder.ToString();
}
private void CreateMCQuestion(SectionBaseInfo sectionInfo, Section section)
{
int minValue = 0;
int maxValue = 10000;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
List <int> questionValueList = new List <int>();
Random rand = new Random((int)DateTime.Now.Ticks);
int valueA = 0, valueB = 0;
int minRand = 0, maxRand = 0;
int minValueTmp = minValue, maxValueTmp = maxValue;
while (true)
{
if (minValueTmp / 10 >= 1)
{
minRand++;
minValueTmp /= 10;
}
else
{
break;
}
}
while (true)
{
if (maxValueTmp / 10 >= 1)
{
maxRand++;
maxValueTmp /= 10;
}
else
{
break;
}
}
while (true)
{
valueA = rand.Next(minRand, maxRand + 1);
valueB = rand.Next(minRand + 1, maxRand + 1);
if (valueA != valueB)
{
break;
}
}
double valueP1 = System.Math.Pow(10, valueA);
double valueP2 = System.Math.Pow(10, valueB);
double valueD1 = 1 / valueP1, valueD2 = 1 / valueP2;
questionValueList.Add(valueA);
string questionText;
//int valueC1, valueC2;
int multipleD;
if (valueD1 > valueD2)
{
//valueC1 = valueB;
//valueC2 = valueA;
multipleD = (int)(valueD1 / valueD2);
questionText = string.Format("{0}是{1}的几倍。", valueD1, valueD2);
}
else
{
//valueC1 = valueA;
//valueC2 = valueB;
multipleD = (int)(valueD2 / valueD1);
questionText = string.Format("{1}是{0}的几倍。", valueD1, valueD2);
}
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
int valueLst = (int)(System.Math.Pow(10, minRand)), valueMst = (int)(System.Math.Pow(10, maxRand));
if (minRand - 20 <= 0)
{
valueLst = 0;
}
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
4, valueLst, valueMst, false, (c => (c == multipleD)), multipleD))
{
optionList.Add(option);
}
return(optionList);
}
);
section.QuestionCollection.Add(mcQuestion);
StringBuilder strBuilder = new StringBuilder();
foreach (QuestionOption option in mcQuestion.QuestionOptionCollection)
{
QuestionContent content = option.OptionContent;
decimal value = System.Convert.ToDecimal(content.Content);
if (value == multipleD)
{
strBuilder.AppendLine(string.Format("{0}和{1}是{2}倍的关系，是正确答案。", valueD1, valueD2, value));
}
else
{
strBuilder.AppendLine(string.Format("{0}和{1}不是{2}倍的关系。", valueD1, valueD2, value));
}
}
mcQuestion.Solution.Content = strBuilder.ToString();
}
private void CreateMCQuestion(SectionBaseInfo info, Section section)
{
int minValue = 10;
int maxValue = 100;
if (info is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = info as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
Random rand = new Random((int)DateTime.Now.Ticks);
decimal valueA = rand.Next(minValue, maxValue + 1);
Thread.Sleep(10);
decimal valueB = rand.Next(minValue, maxValue + 1);
decimal result = valueA + valueB;
string questionText = "从下面选项中选出符合加法交换律的等式。";
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
for (int i = 0; i < 3; i++)
{
decimal a = rand.Next(minValue, maxValue + 1);
decimal b = rand.Next(minValue, maxValue + 1);
decimal c = rand.Next(minValue, decimal.ToInt32(a + b + 1));
decimal d = a + b - c;
if (d == a || d == b)
{
d = d == 0 ? d + 1 : d - 1;
c = a + b - d;
}
QuestionOption option = new QuestionOption();
option.OptionContent.Content = string.Format("{0} + {1} = {2} + {3}", a, b, c, d);
optionList.Add(option);
}
QuestionOption correctOption = new QuestionOption();
correctOption.OptionContent.Content = string.Format("{0} + {1} = {1} + {0}", valueA, valueB);
correctOption.IsCorrect = true;
int correctIndex = rand.Next(100) % 4;
if (correctIndex == optionList.Count)
{
optionList.Add(correctOption);
}
else
{
optionList.Insert(correctIndex, correctOption);
}
return(optionList);
}
);
mcQuestion.Solution.Content = string.Format("{0}+{1}={1}+{0}，在这个等式中，交换两个加数{0}和{1}的位置，和不变，都是{2}。\n是符合加法交换律的，是正确答案。", valueA, valueB, result);
section.QuestionCollection.Add(mcQuestion);
}
private void CreateMCQuestion(SectionBaseInfo sectionInfo, Section section)
{
Random rand = new Random((int)DateTime.Now.Ticks);
int minValue = 10;
int maxValue = 100;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
int divValue = rand.Next(minValue, maxValue);
string questionText = string.Format("请选出至少有两个质因数的数。");
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
4, minValue, maxValue, false,
(c) =>
{
int j, k, iFlag = 0;
for (j = 2; j < c / 2 + 1; j++)
{
if (c % j == 0)
{
iFlag = 0;
for (k = 2; k < j / 2 + 1; k++)
{
if (j % k == 0)
{
iFlag = 1;
break;
}
}
if (iFlag == 0)
{
return(true);
}
}
}
return(false);
}))
{
optionList.Add(option);
}
return(optionList);
}
);
section.QuestionCollection.Add(mcQuestion);
StringBuilder strBuilder = new StringBuilder();
foreach (QuestionOption option in mcQuestion.QuestionOptionCollection)
{
QuestionContent content = option.OptionContent;
decimal value = System.Convert.ToDecimal(content.Content);
int j, k, iFlag = 0, flag = -1;
if (value == 0 || value == 1)
{
flag = 0;
}
for (j = 2; j < value / 2 + 1; j++)
{
if (value % j == 0)
{
if (j == 2)
{
flag = 1;
break;
}
iFlag = 0;
for (k = 2; k < j / 2 + 1; k++)
{
if (j % k == 0)
{
iFlag = 1;
break;
}
}
if (iFlag == 0)
{
flag = 1;
break;
}
}
}
if (flag == 0)
{
strBuilder.AppendLine(string.Format("0和1都不是质因数。"));
}
else if (flag == 1)
{
strBuilder.AppendLine(string.Format("{0}有两个质因数，是正确答案。", value));
}
else
{
strBuilder.AppendLine(string.Format("{0}没有质因数。", value));
}
}
mcQuestion.Solution.Content = strBuilder.ToString();
}
private void CreateMCQuestion(SectionBaseInfo sectionInfo, Section section)
{
Random rand = new Random((int)DateTime.Now.Ticks);
int tryCount = 100;
while (true)
{
int minValue = 10;
int maxValue = 100;
int j = 2;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
int divValue = rand.Next(minValue, maxValue);
bool validValue = false;
for (j = 3; j <= divValue / 2 + 1; j++)
{
if (divValue % j == 0)
{
validValue = true;
break;
}
}
tryCount--;
if (tryCount == 0)
{
break;
}
if (!validValue)
{
continue;
}
string questionText = string.Format("请选出自然数{0}的约数。", divValue);
int inMinValue = 2, inMaxValue = 10;
if (j / 2 > 2)
{
inMinValue = j / 2;
}
if (j * 3 > 10)
{
inMaxValue = j * 3;
}
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
4, inMinValue, inMaxValue, false, (c => ((divValue % c) == 0))))
{
optionList.Add(option);
}
return(optionList);
}
);
section.QuestionCollection.Add(mcQuestion);
StringBuilder strBuilder = new StringBuilder();
foreach (QuestionOption option in mcQuestion.QuestionOptionCollection)
{
QuestionContent content = option.OptionContent;
decimal value = System.Convert.ToDecimal(content.Content);
if (divValue % value == 0)
{
strBuilder.AppendLine(string.Format("{0}除以{1}等于{2}，没有余数，是正确答案。", divValue, value, divValue / value));
}
else
{
strBuilder.AppendLine(string.Format("{0}除以{1}等于{2}，余数是{3}。", divValue, value, divValue / (int)(value), divValue % value));
}
}
mcQuestion.Solution.Content = strBuilder.ToString();
break;
}
}
private void CreateMCQuestion(SectionBaseInfo info, Section section)
{
int minValue = 10;
int maxValue = 100;
if (info is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = info as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
Random rand = new Random((int)DateTime.Now.Ticks);
int valueA = 0, valueB = 0, valueC = 0;
int value;
while (true)
{
int j2 = 0;
valueA = rand.Next(minValue, maxValue);
valueB = rand.Next(minValue, maxValue);
if (valueA > valueB)
{
value = valueA;
}
else if (valueA < valueB)
{
value = valueB;
}
else
{
continue;
}
j2 = value;
while (true)
{
if (j2 % valueA == 0 && j2 % valueB == 0)
{
valueC = j2;
break;
}
j2++;
}
break;
}
string questionText = string.Format("请选{0}和{1}的最小公倍数。", valueA, valueB);
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
4, valueC / 2, valueC * 2, false,
(c => (c == valueC)), valueC))
{
optionList.Add(option);
}
return(optionList);
}
);
section.QuestionCollection.Add(mcQuestion);
StringBuilder strBuilder = new StringBuilder();
foreach (QuestionOption option in mcQuestion.QuestionOptionCollection)
{
QuestionContent content = option.OptionContent;
decimal valueO = System.Convert.ToDecimal(content.Content);
if (valueC == valueO)
{
strBuilder.AppendLine(string.Format("{0}能同时被{1}和{2}整除，且是所有能被整除的数里面最小的数，是正确答案。", valueO, valueA, valueB));
}
else
{
if (valueO % valueA == 0 && valueO % valueB == 0)
{
strBuilder.AppendLine(string.Format("{0}能同时被{1}和{2}整除，但不是所有能被整除的数里面最小的数。", valueO, valueA, valueB));
}
else
{
strBuilder.AppendLine(string.Format("{0}不能同时被{1}和{2}整除。", valueO, valueA, valueB));
}
}
}
mcQuestion.Solution.Content = strBuilder.ToString();
}
private void CreateMCQuestion(SectionBaseInfo info, Section section)
{
int minValue = 10;
int maxValue = 100;
if (info is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = info as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
Random rand = new Random((int)DateTime.Now.Ticks);
decimal valueA = rand.Next(minValue, maxValue + 1);
Thread.Sleep(10);
decimal valueB = rand.Next(minValue, maxValue + 1);
Thread.Sleep(10);
decimal valueC = rand.Next(minValue, maxValue + 1);
decimal result = valueA + valueB;
string questionText = string.Format("从下面选项中选出方程x + {0} = {1} 的解。", valueB, result);
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
//for (int i = 0; i < 3; i++)
//{
decimal d = rand.Next(minValue, maxValue + 1);
if (d == valueA)
{
d = d == 0 ? d + 1 : d - 1;
}
QuestionOption option = new QuestionOption();
option.OptionContent.Content = string.Format("{0}", d);
optionList.Add(option);
//}
//int tmpminValue, tmpmaxValue;
//if (d <= 2)
//{
// tmpminValue = decimal.ToInt32(d) + 1;
// tmpmaxValue = maxValue;
//}
//else
//{
// tmpminValue = decimal.ToInt32(d) + 1;
// tmpmaxValue = maxValue;
//}
decimal d1;
while (true)
{
d1 = rand.Next(minValue, maxValue + 1);
if (d1 != valueA && d1 != d)
{
break;
}
}
QuestionOption option1 = new QuestionOption();
option1.OptionContent.Content = string.Format("{0}", d1);
optionList.Add(option1);
decimal d2;
while (true)
{
d2 = rand.Next(minValue, maxValue + 1);
if (d2 != valueA && d2 != d && d2 != d1)
{
break;
}
}
QuestionOption option2 = new QuestionOption();
option2.OptionContent.Content = string.Format("{0}", d2);
optionList.Add(option2);
QuestionOption correctOption = new QuestionOption();
correctOption.OptionContent.Content = string.Format("{0}", valueA);
correctOption.IsCorrect = true;
int correctIndex = rand.Next(100) % 4;
if (correctIndex == optionList.Count)
{
optionList.Add(correctOption);
}
else
{
optionList.Insert(correctIndex, correctOption);
}
return(optionList);
}
);
mcQuestion.Solution.Content = string.Format("当x={2}，方程x + {0} = {1}等式左右两边相等，因此{2}是解方程，是正确答案。", valueB, result, valueA);
section.QuestionCollection.Add(mcQuestion);
}
private void CreateMCQuestion(SectionBaseInfo sectionInfo, Section section)
{
Random rand = new Random((int)DateTime.Now.Ticks);
//int divValue = rand.Next(2, 9);
string questionText = string.Format("请选出只能分解出两个质因数相乘的数。");
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
int minValue = 10;
int maxValue = 100;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
4, minValue, maxValue, false,
(c) =>
{
int j, k, iFlag1 = 0, iFlag2 = 0, j2, k2;
for (j = 2; j < c / 2 + 1; j++)
{
if (c % j == 0)
{
iFlag1 = 0;
iFlag2 = 0;
for (k = 2; k < j / 2 + 1; k++)
{
if (j % k == 0)
{
iFlag1 = 1;
break;
}
}
j2 = (int)(c / j);
for (k2 = 2; k2 < j2 / 2 + 1; k2++)
{
if (j2 % k2 == 0)
{
iFlag2 = 1;
break;
}
}
if (iFlag1 == 0 && iFlag2 == 0)
{
return(true);
}
}
}
return(false);
}))
{
optionList.Add(option);
}
return(optionList);
}
);
section.QuestionCollection.Add(mcQuestion);
StringBuilder strBuilder = new StringBuilder();
foreach (QuestionOption option in mcQuestion.QuestionOptionCollection)
{
QuestionContent content = option.OptionContent;
decimal value = System.Convert.ToDecimal(content.Content);
int j, k, iFlag1 = 0, iFlag2 = 0, j2 = 0, k2;
int flag = -1;
flag = 0;
for (j = 2; j < value / 2 + 1; j++)
{
if (value % j == 0)
{
iFlag1 = 0;
iFlag2 = 0;
for (k = 2; k < j / 2 + 1; k++)
{
if (j % k == 0)
{
iFlag1 = 1;
break;
}
}
j2 = (int)(value / j);
for (k2 = 2; k2 < j2 / 2 + 1; k2++)
{
if (j2 % k2 == 0)
{
iFlag2 = 1;
break;
}
}
if (iFlag1 == 0 && iFlag2 == 0)
{
flag = 1;
break;
}
}
}
if (flag == 1)
{
strBuilder.AppendLine(string.Format("{0}可分解成质因数{1}，{2}相乘，是正确答案。", value, j, j2));
}
else
{
strBuilder.AppendLine(string.Format("{0}不能分解质因数。", value));
}
}
}
private void CreateMCQuestion(SectionBaseInfo info, Section section)
{
Random rand = new Random((int)DateTime.Now.Ticks);
int divValue = rand.Next(2, 9);
string questionText = string.Format("请选出是合数的数。");
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
int minValue = 10;
int maxValue = 100;
if (info is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = info as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
4, minValue, maxValue, false,
(c) =>
{
for (int j = 2; j < c / 2 + 1; j++)
{
if (c % j == 0)
{
return(true);
}
}
return(false);
}))
{
optionList.Add(option);
}
return(optionList);
}
);
section.QuestionCollection.Add(mcQuestion);
StringBuilder strBuilder = new StringBuilder();
foreach (QuestionOption option in mcQuestion.QuestionOptionCollection)
{
QuestionContent content = option.OptionContent;
decimal value = System.Convert.ToDecimal(content.Content);
int flag = 1;
int j = 1;
if (value == 0)
{
flag = 0;
}
for (j = 2; j < value / 2 + 1; j++)
{
if (value % j == 0)
{
flag = 2;
break;
}
}
if (flag == 0)
{
strBuilder.AppendLine(string.Format("0 不是合数。"));
}
else if (flag == 1)
{
strBuilder.AppendLine(string.Format("{0}只有两个约数{1}，{2}。", value, 1, value));
}
else
{
strBuilder.AppendLine(string.Format("{0}有约数{1}，{2}，{3}...，大于2个，是正确答案。", value, 1, value, j));
}
}
mcQuestion.Solution.Content = strBuilder.ToString();
}
private MCQuestion CreateMCQuestion(SectionBaseInfo info, Section section)
{
//int minValue = 50;
//int maxValue = 500;
//if (info is SectionValueRangeInfo)
//{
// SectionValueRangeInfo rangeInfo = info as SectionValueRangeInfo;
// minValue = decimal.ToInt32(rangeInfo.MinValue);
// maxValue = decimal.ToInt32(rangeInfo.MaxValue);
//}
//if (maxValue < 100)
//{
// maxValue = 100;
//}
//if (section.QuestionCollection.Count == 0)
// this.questionValueList.Clear();
//Random rand = new Random((int)DateTime.Now.Ticks);
//int valueA = 0, valueB = 0, valueC = 0, valueM = 0, valueN = 0, valueTmp = 0;
//int sign = 0;
//int j = 0;
//while (true)
//{
// valueA = rand.Next(minValue, maxValue + 1);
// valueTmp = rand.Next(100, maxValue + 1);
// valueM = valueTmp / 100;
// valueN = rand.Next(1, 9 + 1);
// sign = rand.Next(0, 2);
// if (sign == 0) //正号
// {
// valueB = valueM * 100 + valueN;
// }
// else //负号
// {
// valueB = valueM * 100 - valueN;
// }
// valueC = valueA + valueB;
// if (valueB > 0)
// {
// break;
// }
//}
int valueA = 0, valueB = 0, valueC = 0, valueM = 0, valueN = 0, sign = 0;
//this.GetRandomValues(info, &valueA, &valueB, &valueC, &valueM, &valueN, &sign);
this.GetRandomValues(info, ref valueA, ref valueB, ref valueC, ref valueM, ref valueN, ref sign);
questionValueList.Add((valueA));
string questionText = string.Format("{0}+{1}=", valueA, valueB);
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
int valueLst = (valueC) - 30, valueMst = (valueC) + 30;
if (valueLst - 30 <= 1)
{
valueLst = 1;
}
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
4, valueLst, valueMst, false, (c => (c == valueC)), valueC))
{
optionList.Add(option);
}
return(optionList);
}
);
StringBuilder strBuilder = new StringBuilder();
foreach (QuestionOption option in mcQuestion.QuestionOptionCollection)
{
QuestionContent content = option.OptionContent;
decimal value = System.Convert.ToDecimal(content.Content);
if (value == valueC)
{
if (sign == 0) //正号
{
strBuilder.AppendLine(string.Format(
"{0}+{1}={0}+({2}×10+{3})={0}+{2}×10+{3}= {0}+{4}+{3}={5}+{3}={6}，是正确答案。",
valueA, valueB, valueM, valueN, valueM * 10, valueA + valueM * 10, value));
}
else //负号
{
strBuilder.AppendLine(string.Format(
"{0}+{1}={0}+({2}×10-{3})={0}+{2}×10-{3}= {0}+{4}-{3}={5}-{3}={6}，是正确答案。",
valueA, valueB, valueM, valueN, valueM * 10, valueA + valueM * 10, value));
}
}
else
{
strBuilder.AppendLine(string.Format("{0}+{1}不等于{2}。", valueA, valueB, value));
}
}
mcQuestion.Solution.Content = strBuilder.ToString();
section.QuestionCollection.Add(mcQuestion);
return(mcQuestion);
}
private void CreateMCQuestion(SectionBaseInfo sectionInfo, Section section)
{
int minValue = 10;
int maxValue = 100;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
int inMinValue = 2, inMaxValue = 2;
if (minValue / 10 > inMinValue)
{
inMinValue = minValue / 10;
}
inMaxValue = maxValue / 10;
Random rand = new Random((int)DateTime.Now.Ticks);
int divValue = rand.Next(inMinValue, inMaxValue);
string questionText = string.Format("请选出是{0}倍数的数。", divValue);
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
4, minValue, maxValue, false, (c => ((c % divValue) == 0))))
{
optionList.Add(option);
}
return(optionList);
}
);
section.QuestionCollection.Add(mcQuestion);
StringBuilder strBuilder = new StringBuilder();
foreach (QuestionOption option in mcQuestion.QuestionOptionCollection)
{
QuestionContent content = option.OptionContent;
decimal value = System.Convert.ToDecimal(content.Content);
if (value % divValue == 0)
{
strBuilder.AppendLine(string.Format("{1}除以{0}等于{2}，没有余数，是正确答案。", value, divValue, value / divValue));
}
else
{
strBuilder.AppendLine(string.Format("{1}除以{0}等于{2}，余数是{3}。", value, divValue, (int)(value) / divValue, value % divValue));
}
}
mcQuestion.Solution.Content = strBuilder.ToString();
}
private void CreateMCQuestion(SectionBaseInfo info, Section section)
{
int minValue = 10;
int maxValue = 100;
if (info is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = info as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
Random rand = new Random((int)DateTime.Now.Ticks);
decimal valueA = rand.Next(minValue, maxValue + 1);
Thread.Sleep(10);
decimal valueB = rand.Next(minValue, maxValue + 1);
Thread.Sleep(10);
decimal valueC = rand.Next(minValue, maxValue + 1);
decimal result = valueA + valueB + valueC;
string questionText = "从下面选项中选出符合方程定义的等式。";
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
for (int i = 0; i < 3; i++)
{
decimal a = rand.Next(minValue, maxValue + 1);
decimal b = rand.Next(minValue, maxValue + 1);
decimal c = rand.Next(minValue, maxValue + 1);
decimal d = rand.Next(minValue, maxValue + 1);
if (d == c)
{
d = d == 0 ? d + 1 : d - 1;
}
QuestionOption option = new QuestionOption();
switch (i)
{
case 0:
option.OptionContent.Content = string.Format("{0} + {1} = {2}", a, b, c);
break;
case 1:
option.OptionContent.Content = string.Format("{0} - {1} = {2} + {3}", a, b, c, d);
break;
case 2:
option.OptionContent.Content = string.Format("{0} × {1} = {2} × {3}", a, b, c, d);
break;
default:
break;
}
optionList.Add(option);
}
QuestionOption correctOption = new QuestionOption();
correctOption.OptionContent.Content = string.Format("x + {0} = {1}", valueA, valueB);
correctOption.IsCorrect = true;
int correctIndex = rand.Next(100) % 4;
if (correctIndex == optionList.Count)
{
optionList.Add(correctOption);
}
else
{
optionList.Insert(correctIndex, correctOption);
}
return(optionList);
}
);
mcQuestion.Solution.Content = string.Format("x + {0} = {1}，在这个等式中，含有未知数x。\n是符合方程的定义，是正确答案。", valueA, valueB);
section.QuestionCollection.Add(mcQuestion);
}
private void CreateMCQuestion(SectionBaseInfo sectionInfo, Section section)
{
int minValue = 10;
int maxValue = 10000;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
List <int> questionValueList = new List <int>();
Random rand = new Random((int)DateTime.Now.Ticks);
int valueA = 0, valueB = 0;
int minRand = 0, maxRand = 0;
int minValueTmp = minValue, maxValueTmp = maxValue;
while (true)
{
if (minValueTmp / 10 >= 1)
{
minRand++;
minValueTmp /= 10;
}
else
{
break;
}
}
while (true)
{
if (maxValueTmp / 10 >= 1)
{
maxRand++;
maxValueTmp /= 10;
}
else
{
break;
}
}
valueB = rand.Next(minRand, maxRand + 1);
valueA = (int)(System.Math.Pow(10, valueB));
questionValueList.Add(valueA);
string questionText = string.Format("把1分成{0}份，请问可以用几位小数表示。", valueA);
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
int valueLst = valueB - 2, valueMst = valueB + 3;
if (minRand - 20 <= 1)
{
valueLst = 1;
}
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
4, valueLst, valueMst, false, (c => (c == valueB)), valueB))
{
optionList.Add(option);
}
return(optionList);
}
);
section.QuestionCollection.Add(mcQuestion);
StringBuilder strBuilder = new StringBuilder();
foreach (QuestionOption option in mcQuestion.QuestionOptionCollection)
{
QuestionContent content = option.OptionContent;
decimal value = System.Convert.ToDecimal(content.Content);
if (value == valueB)
{
strBuilder.AppendLine(string.Format("把1分成{0}份，可以用{1}位小数表示，是正确答案。", valueA, value));
}
else
{
strBuilder.AppendLine(string.Format("把1分成{0}份，不可以用{1}位小数表示。", valueA, value));
}
}
mcQuestion.Solution.Content = strBuilder.ToString();
}
private static void CreateMCQuestion(MCQuestion question,
int index,
FlowDocument flowDocument,
bool showAnswer,
bool showResponse,
SelectableQuestionResponse response)
{
System.Windows.Documents.Section questionSection = new System.Windows.Documents.Section();
flowDocument.Blocks.Add(questionSection);
List <int> optionIndexList = new List <int>();
if (question.RandomOption)
{
Random rand = new Random((int)DateTime.Now.Ticks);
while (true)
{
int i = rand.Next(question.QuestionOptionCollection.Count * 10) % question.QuestionOptionCollection.Count;
bool found = false;
foreach (int temp in optionIndexList)
{
if (temp == i)
{
found = true;
break;
}
}
if (!found)
{
optionIndexList.Add(i);
}
if (optionIndexList.Count == question.QuestionOptionCollection.Count)
{
break;
}
Thread.Sleep(10);
}
}
else
{
for (int i = 0; i < question.QuestionOptionCollection.Count; i++)
{
optionIndexList.Add(i);
}
}
System.Windows.Documents.Paragraph questionContentBlock = CreateContentControl(question.Content, (index + 1).ToString() + ". ", null, response);
Paragraph lastParagraph = questionContentBlock;
if (showResponse)
{
if (Enumerable.Count <string>(response.OptionIdList) > 0)
{
for (int i = 0; i < question.QuestionOptionCollection.Count; i++)
{
QuestionOption option = question.QuestionOptionCollection[optionIndexList[i]];
if (option.Id == response.OptionIdList[0])
{
lastParagraph.Inlines.Add(CreateText(" ( " + (char)('A' + i) + " )"));
break;
}
}
}
else
{
lastParagraph.Inlines.Add(CreateText("( )"));
}
}
else
{
lastParagraph.Inlines.Add(CreateText("( )"));
}
if (showAnswer)
{
for (int i = 0; i < question.QuestionOptionCollection.Count; i++)
{
QuestionOption option = question.QuestionOptionCollection[optionIndexList[i]];
if (option.IsCorrect)
{
lastParagraph.Inlines.Add(CreateText(" 正确答案：" + (char)('A' + i)));
break;
}
}
}
questionSection.Blocks.Add(questionContentBlock);
for (int i = 0; i < question.QuestionOptionCollection.Count; i++)
{
QuestionOption option = question.QuestionOptionCollection[optionIndexList[i]];
questionSection.Blocks.Add(CreateContentControl(option.OptionContent, string.Format("\t{0}. ", (char)('A' + i)), null, response));
}
}
private void CreateMCQuestion(SectionBaseInfo sectionInfo, Section section)
{
Random rand = new Random((int)DateTime.Now.Ticks);
int minValue = 0;
int maxValue = 10 + 1;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
string questionText = string.Format("选出是有限小数的数。");
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
foreach (QuestionOption temp in ObjectCreator.CreateDoubleTextOption(0, 0, minValue + 1, maxValue, "……"))
{
optionList.Add(temp);
}
foreach (QuestionOption temp in ObjectCreator.CreateDoubleTextOption(0, 0, minValue + 1, maxValue, "……"))
{
optionList.Add(temp);
}
foreach (QuestionOption temp in ObjectCreator.CreateDoubleTextOption(0, 0, minValue + 1, maxValue, ""))
{
temp.IsCorrect = true;
optionList.Add(temp);
}
foreach (QuestionOption temp in ObjectCreator.CreateDoubleTextOption(minValue, maxValue + 1, minValue + 1, maxValue, "……"))
{
optionList.Add(temp);
}
return(optionList);
}
);
mcQuestion.RandomOption = true;
section.QuestionCollection.Add(mcQuestion);
StringBuilder strBuilder = new StringBuilder();
foreach (QuestionOption option in mcQuestion.QuestionOptionCollection)
{
QuestionContent content = option.OptionContent;
if (content.QuestionPartCollection[0] is QuestionTextPart)
{
QuestionTextPart decimalPart = content.QuestionPartCollection[0] as QuestionTextPart;
if (decimalPart.Text.IndexOf("……") < 0)
{
strBuilder.AppendLine(string.Format("{0}是有限小数，是正确答案。", decimalPart.Text));
}
}
}
mcQuestion.Solution.Content = strBuilder.ToString();
}
internal Question CreateQuestion(QuestionType type)
{
Question question = null;
switch (type)
{
case QuestionType.MultiChoice:
{
MCQuestion mcQuestion = new MCQuestion();
for (int i = 0; i < 4; i++)
{
QuestionOption option = new QuestionOption();
option.Index = i;
mcQuestion.QuestionOptionCollection.Add(option);
}
question = mcQuestion;
}
break;
case QuestionType.MultiResponse:
{
MRQuestion mrQuestion = new MRQuestion();
for (int i = 0; i < 4; i++)
{
QuestionOption option = new QuestionOption();
option.Index = i;
mrQuestion.QuestionOptionCollection.Add(option);
}
question = mrQuestion;
}
break;
case QuestionType.Essay:
{
ESQuestion esQuestion = new ESQuestion();
question = esQuestion;
}
break;
case QuestionType.TrueFalse:
{
TFQuestion tfQuestion = new TFQuestion();
QuestionOption optionT = new QuestionOption();
optionT.Index = 0;
QuestionOption optionF = new QuestionOption();
optionF.Index = 1;
tfQuestion.QuestionOptionCollection.Add(optionT);
tfQuestion.QuestionOptionCollection.Add(optionF);
tfQuestion.RandomOption = true;
question = tfQuestion;
}
break;
case QuestionType.Match:
{
MAQuestion maQuestion = new MAQuestion();
for (int i = 0; i < 4; i++)
{
MAQuestionOption option = new MAQuestionOption();
option.Index = i;
maQuestion.OptionList.Add(option);
}
question = maQuestion;
}
break;
case QuestionType.FillInBlank:
{
FIBQuestion fibQuestion = new FIBQuestion();
question = fibQuestion;
}
break;
case QuestionType.Composite:
{
CPQuestion cpQuestion = new CPQuestion();
question = cpQuestion;
}
break;
}
question.DifficultyLevel = 3;
question.CreateTime = DateTime.Now.ToUniversalTime();
question.ModifyTime = DateTime.Now.ToUniversalTime();
return(question);
}
private MCQuestion CreateMCQuestion(SectionBaseInfo info, Section section)
{
int minValue = 10;
int maxValue = 100;
if (info is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = info as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
if (section.QuestionCollection.Count == 0)
{
this.questionValueList.Clear();
}
Random rand = new Random((int)DateTime.Now.Ticks);
int valueA = 0, valueB = 0, valueC = 0;
int j = 0;
int flag = 0;
valueC = rand.Next(minValue / 3, maxValue / 3);
while (true)
{
flag = 0;
//for (int i2 = 0; i2 < maxValue + minValue; i2++)
while (true)
{
valueA = rand.Next(valueC, maxValue);
valueB = rand.Next(valueC, maxValue);
if (valueA % valueC == 0 && valueC >= valueA / valueC &&
valueB % valueC == 0 && valueC >= valueB / valueC &&
valueA != valueB && valueC != valueA && valueC != valueB &&
((valueA > valueB && valueA % valueB != 0) || (valueB > valueA && valueB % valueA != 0)))
{
flag = 1;
break;
}
//int lop = 0;
//if (valueA > valueB)
// lop = valueB;
//else
// lop = valueA;
//for (j = lop; j > 1; j--)
//{
// if (valueA % j == 0 && valueB % j == 0)
// {
// flag = 1;
// break;
// }
//}
}
//if (Enumerable.Where<int>(questionValueList, (c => (c == valueA))).Count<int>() > 0)
//{
// Thread.Sleep(10);
// continue;
//}
break;
}
questionValueList.Add(valueA);
string questionText = string.Format("请找出{0}和{1}的最大公约数。", valueA, valueB);
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
int valueLst = valueC - 20, valueMst = valueC + 20;
if (j - 20 <= 1)
{
valueLst = 1;
}
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
4, valueLst, valueMst, false, (c => (c == valueC)), valueC))
{
optionList.Add(option);
}
return(optionList);
}
);
StringBuilder strBuilder = new StringBuilder();
foreach (QuestionOption option in mcQuestion.QuestionOptionCollection)
{
QuestionContent content = option.OptionContent;
decimal value = System.Convert.ToDecimal(content.Content);
if (value == valueC)
{
strBuilder.AppendLine(string.Format(
"{0}除以{1}等于{2}，没有余数，并且{3}除以{4}等于{5}，没有余数，{1}是最大公约数，是正确答案。",
valueA, value, valueA / value, valueB, value, valueB / value));
}
else
{
strBuilder.AppendLine(string.Format("{0}不是{1}和{2}的最大公约数。", value, valueA, valueB));
}
}
mcQuestion.Solution.Content = strBuilder.ToString();
section.QuestionCollection.Add(mcQuestion);
return(mcQuestion);
}
private void CreateMCQuestion(SectionBaseInfo sectionInfo, Section section)
{
int minValue = 10;
int maxValue = 100;
if (sectionInfo is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = sectionInfo as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
if (section.QuestionCollection.Count == 0)
{
this.questionValueList.Clear();
}
Random rand = new Random((int)DateTime.Now.Ticks);
int valueA = 0, valueC = 0;
//valueA = rand.Next(minValue, maxValue);
while (true)
{
int sumCommonDivisor = 0;
valueA = rand.Next(minValue, maxValue);
//valueB = rand.Next(minValue, maxValue);
//if (valueA < valueB)
// valueC = valueA;
//else if (valueA > valueB)
// valueC = valueB;
//else
// continue;
for (int j2 = 1; j2 < valueA; j2++)
{
if (valueA % j2 == 0)
{
sumCommonDivisor++;
}
}
if (sumCommonDivisor >= 4)
{
break;
}
}
string questionText = string.Format("请选出与{0}互质的数。", valueA);
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
4, minValue, maxValue, false,
(c) =>
{
int sumCommonDivisor = 0;
if (valueA < c)
{
valueC = valueA;
}
else if (valueA > c)
{
valueC = decimal.ToInt32(c);
}
else
{
return(false);
}
for (int j2 = 1; j2 < valueC; j2++)
{
if (valueA % j2 == 0 && c % j2 == 0)
{
sumCommonDivisor++;
}
}
if (sumCommonDivisor == 1)
{
return(true);
}
return(false);
}
))
{
optionList.Add(option);
}
return(optionList);
}
);
section.QuestionCollection.Add(mcQuestion);
StringBuilder strBuilder = new StringBuilder();
foreach (QuestionOption option in mcQuestion.QuestionOptionCollection)
{
QuestionContent content = option.OptionContent;
decimal value = System.Convert.ToDecimal(content.Content);
int sumCommonDivisor = 0;
if (valueA < value)
{
valueC = valueA;
}
else
{
valueC = decimal.ToInt32(value);
}
for (int j2 = 1; j2 < valueC; j2++)
{
if (valueA % j2 == 0 && value % j2 == 0)
{
sumCommonDivisor++;
}
}
if (sumCommonDivisor == 1)
{
strBuilder.AppendLine(string.Format("{0}和{1}只有公约数1，是正确答案。", valueA, value));
}
else
{
strBuilder.AppendLine(string.Format("{0}和{1}有{2}个公约数。", valueA, value, sumCommonDivisor));
}
}
mcQuestion.Solution.Content = strBuilder.ToString();
}
private void CreateMCQuestion(SectionBaseInfo info, Section section)
{
if (section.QuestionCollection.Count == 0)
{
this.questionValueList.Clear();
}
int minValue = 10;
int maxValue = 100;
if (info is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = info as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
Random rand = new Random((int)DateTime.Now.Ticks);
int minValueA = 1;
if (minValue > 0)
{
minValueA = minValue;
}
decimal valueA = rand.Next(minValueA, maxValue);
Thread.Sleep(10);
decimal valueB = rand.Next(minValue, maxValue);
bool exist = true;
for (int i = 0; i < 50; i++)
{
if (Enumerable.Where <decimal>(this.questionValueList, (c => (c == valueA * valueB))).Count <decimal>() == 0)
{
exist = false;
break;
}
valueA = rand.Next(minValueA, maxValue);
Thread.Sleep(10);
valueB = rand.Next(minValue, maxValue);
}
if (exist)
{
return;
}
decimal result = valueA * valueB;
this.questionValueList.Add(result);
string questionText = string.Format("从下面选项中选出{0}除以{1}的商。", result, valueA);
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
foreach (QuestionOption option in ObjectCreator.CreateDecimalOptions(
4, minValue, maxValue, false, (c => ((c == valueB))), valueB))
{
optionList.Add(option);
}
return(optionList);
}
);
mcQuestion.Solution.Content = string.Format("被除数{0}除以除数{1}的商是{2}，所以正确答案是{2}。", result, valueA, valueB);
section.QuestionCollection.Add(mcQuestion);
}
private void CreateMCQuestion(SectionBaseInfo info, Section section)
{
int minValue = 10;
int maxValue = 100;
if (info is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = info as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
Random rand = new Random((int)DateTime.Now.Ticks);
// 因为因数为0比较特殊，所以暂时先排除0
if (minValue < 1)
{
minValue++;
}
decimal valueA = rand.Next(minValue, maxValue + 1);
Thread.Sleep(10);
decimal valueB = rand.Next(minValue, maxValue + 1);
Thread.Sleep(10);
decimal valueC = rand.Next(minValue, maxValue + 1);
decimal result = (valueA + valueB) * valueC;
string questionText = "从下面选项中选出符合乘法分配率的等式。";
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
//for (int i = 0; i < 3; i++)
//{
// decimal a = rand.Next(minValue, maxValue + 1);
// decimal b = rand.Next(minValue, maxValue + 1);
// decimal c = rand.Next(minValue, maxValue + 1);
// decimal d = rand.Next(minValue, maxValue + 1);
// if (d == c)
// {
// d = d == 0 ? d + 1 : d - 1;
// }
// QuestionOption option = new QuestionOption();
// option.OptionContent.Content = string.Format("({0} × {1}) × {2} = {0} × ({1} × {3})", a, b, c, d);
// optionList.Add(option);
//}
QuestionOption option1 = new QuestionOption();
option1.OptionContent.Content = string.Format("({0} + {1}) × {2} = {0} + {1} × {2}", valueA, valueB, valueC);
optionList.Add(option1);
QuestionOption option2 = new QuestionOption();
option2.OptionContent.Content = string.Format("({0} + {1}) × {2} = {0} × {2} + {1}", valueA, valueB, valueC);
optionList.Add(option2);
QuestionOption option3 = new QuestionOption();
option3.OptionContent.Content = string.Format("({0} + {1}) × {2} = ({0} + {2}) × ({1} + {2})", valueA, valueB, valueC);
optionList.Add(option3);
QuestionOption correctOption = new QuestionOption();
correctOption.OptionContent.Content = string.Format("({0} + {1}) × {2} = {0} × {2} + {1} × {2}", valueA, valueB, valueC);
correctOption.IsCorrect = true;
int correctIndex = rand.Next(100) % 4;
if (correctIndex == optionList.Count)
{
optionList.Add(correctOption);
}
else
{
optionList.Insert(correctIndex, correctOption);
}
return(optionList);
}
);
mcQuestion.Solution.Content = string.Format("({0} + {1}) × {2} = {0} × {2} + {1} × {2}，在这个等式中，两边结果不变，都是{3}。\n是符合乘法分配率的，是正确答案。", valueA, valueB, valueC, result);
section.QuestionCollection.Add(mcQuestion);
}
private void CreateMCQuestion(SectionBaseInfo info, Section section)
{
int minValue = 10;
int maxValue = 100;
if (info is SectionValueRangeInfo)
{
SectionValueRangeInfo rangeInfo = info as SectionValueRangeInfo;
minValue = decimal.ToInt32(rangeInfo.MinValue);
maxValue = decimal.ToInt32(rangeInfo.MaxValue);
}
Random rand = new Random((int)DateTime.Now.Ticks);
if (minValue < 1)
{
minValue = 1;
}
decimal valueC = rand.Next(minValue, maxValue / 2 + 1);
Thread.Sleep(10);
decimal valueB = rand.Next(minValue, maxValue - decimal.ToInt32(valueC) + 1);
Thread.Sleep(10);
decimal valueA = rand.Next(decimal.ToInt32(valueB + valueC), maxValue + 1);
decimal result = valueA - valueB - valueC;
string questionText = "从下面选项中选出符合减法的性质的等式。";
MCQuestion mcQuestion = ObjectCreator.CreateMCQuestion((content) =>
{
content.Content = questionText;
content.ContentType = ContentType.Text;
return;
},
() =>
{
List <QuestionOption> optionList = new List <QuestionOption>();
for (int i = 0; i < 2; i++)
{
decimal a = rand.Next(minValue, maxValue + 1);
decimal b = rand.Next(minValue, maxValue + 1);
decimal c = rand.Next(minValue, maxValue + 1);
decimal d = rand.Next(minValue, maxValue + 1);
if (d == c)
{
d = d == 0 ? d + 1 : d - 1;
}
QuestionOption option = new QuestionOption();
option.OptionContent.Content = string.Format("{0} - {1} - {2} = {0} - ({1} + {3})", a, b, c, d);
optionList.Add(option);
}
QuestionOption option2 = new QuestionOption();
option2.OptionContent.Content = string.Format("{0} - {1} - {2} = {0} - ({1} - {2})", valueA, valueB, valueC);
optionList.Add(option2);
QuestionOption correctOption = new QuestionOption();
correctOption.OptionContent.Content = string.Format("{0} - {1} - {2} = {0} - ({1} + {2})", valueA, valueB, valueC);
correctOption.IsCorrect = true;
int correctIndex = rand.Next(100) % 4;
if (correctIndex == optionList.Count)
{
optionList.Add(correctOption);
}
else
{
optionList.Insert(correctIndex, correctOption);
}
return(optionList);
}
);
mcQuestion.Solution.Content = string.Format("{0} - {1} - {2} = {0} - ({1} + {2})，在这个等式中，两边结果一样，都是{3}。\n是符合减法的性质的，是正确答案。", valueA, valueB, valueC, result);
section.QuestionCollection.Add(mcQuestion);
}
/// <summary>
/// Parse Xml document and generate questions
/// </summary>
private void parseXmlDocument()
{
XmlDocument doc = LoadDocumentWithSchemaValidation();
if (doc == null)
{
return;
}
XmlNodeList quiz_list = doc.SelectNodes("/quiz/question");
foreach (XmlNode question_node in quiz_list)
{
TealUnity.Question question;
string type = question_node.Attributes["type"].Value;
string title = question_node["title"].InnerText;
string text = question_node["text"].InnerText;
switch (type)
{
case "input-number":
{
question = new InputQuestion <float>(title, text);
float answer = 0;
try
{
answer = float.Parse(question_node["answer"].InnerText);
}
catch (FormatException e)
{
Debug.LogError(e.Message);
}
((InputQuestion <float>)question).setAnswer(answer);
break;
}
case "input-text":
{
question = new InputQuestion <string>(title, text);
string answer = question_node["answer"].InnerText;
((InputQuestion <string>)question).setAnswer(answer);
break;
}
case "multiple-choice":
{
question = new MCQuestion(title, text);
XmlNodeList answerchoice_list = question_node.SelectNodes("answerchoice");
int i = 0;
foreach (XmlNode anserchoice_node in answerchoice_list)
{
bool correct = bool.Parse(anserchoice_node.Attributes["correct"].Value);
string answer_text = anserchoice_node["text"].InnerText;
AnswerChoice answerchoice = new AnswerChoice(answer_text, correct);
if (anserchoice_node["image"] != null)
{
answerchoice.setImagePath(anserchoice_node["image"].InnerText);
}
((MCQuestion)question).setAnswerChoise(answerchoice, i);
i++;
}
break;
}
default:
continue;
}
if (question_node["image"] != null)
{
question.setImagePath(question_node["image"].InnerText);
}
questions.Add(question);
}
}
