private void CreateFIBQuestion(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)
{
questionValueList.Clear();
}
Random rand = new Random((int)DateTime.Now.Ticks);
int value = 0;
while (true)
{
value = rand.Next(minValue, maxValue);
if (Enumerable.Where <int>(questionValueList, (c => (c == value))).Count <int>() > 0)
{
Thread.Sleep(10);
continue;
}
break;
}
questionValueList.Add(value);
string questionText = string.Format("写出自然数{0}的所有正约数。", value);
FIBQuestion fibQuestion = new FIBQuestion();
fibQuestion.Content.Content = questionText;
fibQuestion.Content.ContentType = ContentType.Text;
fibQuestion.ShowBlankInContent = false;
section.QuestionCollection.Add(fibQuestion);
for (int j = 1; j <= value; j++)
{
if (value % j == 0)
{
QuestionBlank blank = new QuestionBlank();
QuestionContent blankContent = new QuestionContent();
blankContent.Content = j.ToString();
blankContent.ContentType = ContentType.Text;
blank.ReferenceAnswerList.Add(blankContent);
fibQuestion.QuestionBlankCollection.Add(blank);
fibQuestion.Content.Content += blank.PlaceHolder;
}
}
}
/// <summary>
/// Check if the content correct
/// </summary>
/// <param name="blankId"></param>
/// <param name="anyBlank">The content match any blank's ref answer is OK</param>
/// <returns></returns>
public bool IsContentCorrect(string blankId, QuestionContent content)
{
foreach (QuestionContentPart part in this.QuestionBlankCollection)
{
if (part is QuestionBlank)
{
QuestionBlank blank = part as QuestionBlank;
if (blank.MatchOwnRefAnswer)
{
if (blankId != blank.Id)
{
continue;
}
}
foreach (QuestionContent answer in blank.ReferenceAnswerList)
{
if (answer.Content == content.Content)
{
return(true);
}
}
}
}
return(false);
}
public override object Clone()
{
QuestionBlank newBlank = new QuestionBlank();
newBlank.Id = this.Id;
newBlank.MatchOwnRefAnswer = this.MatchOwnRefAnswer;
foreach (QuestionContent content in newBlank.ReferenceAnswerList)
{
QuestionContent newContent = content.Clone() as QuestionContent;
newBlank.ReferenceAnswerList.Add(newContent);
}
return(newBlank);
}
public QuestionBlank GetBlank(string blankId)
{
foreach (QuestionContentPart part in this.QuestionBlankCollection)
{
if (part is QuestionBlank)
{
QuestionBlank blank = part as QuestionBlank;
if (blank.Id == blankId)
{
return(blank);
}
}
}
return(null);
}
/// <summary>
/// 删除一个QuestionBlank实例。
/// </summary>
/// <param name="item">要删除的QuestionBlank实例</param>
public void Remove(QuestionBlank item)
{
base.InnerList.Remove(item);
}
/// <summary>
/// 插入一个QuestionBlank实例到列表。
/// </summary>
/// <param name="index">插入的位置</param>
/// <param name="item">QuestionBlank实例</param>
public void Insert(int index, QuestionBlank item)
{
base.InnerList.Insert(index, item);
}
/// <summary>
/// 添加一个QuestionBlank实例到列表。
/// </summary>
/// <param name="item">QuestionBlank实例</param>
public void Add(QuestionBlank item)
{
base.InnerList.Add(item);
}
private void CreateFIBQuestion(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 value = 0;
int j = 0, k, iFlag1 = 0, iFlag2 = 0, j2 = 0, k2;
int flag = 0;
while (true)
{
flag = 0;
for (int i2 = 0; i2 < maxValue; i2++)
{
value = rand.Next(minValue, maxValue);
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)
{
break;
}
}
if (Enumerable.Where <int>(questionValueList, (c => (c == value))).Count <int>() > 0)
{
Thread.Sleep(10);
continue;
}
break;
}
questionValueList.Add(value);
string questionText = string.Format("分解质因数 {0}=", value);
FIBQuestion fibQuestion = new FIBQuestion();
fibQuestion.Content.Content = questionText;
fibQuestion.Content.ContentType = ContentType.Text;
section.QuestionCollection.Add(fibQuestion);
QuestionBlank blank1 = new QuestionBlank();
QuestionContent blankContent1 = new QuestionContent();
blankContent1.Content = j.ToString();
blankContent1.ContentType = ContentType.Text;
blank1.ReferenceAnswerList.Add(blankContent1);
fibQuestion.QuestionBlankCollection.Add(blank1);
QuestionBlank blank2 = new QuestionBlank();
QuestionContent blankContent2 = new QuestionContent();
blankContent2.Content = j2.ToString();
blankContent2.ContentType = ContentType.Text;
blank2.ReferenceAnswerList.Add(blankContent2);
fibQuestion.QuestionBlankCollection.Add(blank2);
fibQuestion.Content.Content += string.Format("{0}×{1}", blank1.PlaceHolder, blank2.PlaceHolder);
}
private void CreateFIBQuestion(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)
{
questionValueList.Clear();
}
Random rand = new Random((int)DateTime.Now.Ticks);
int valueA = 0, valueB = 0;
int value = 0;
while (true)
{
int sumCommonDivisor = 0;
valueA = rand.Next(minValue, maxValue);
valueB = rand.Next(minValue, maxValue);
if (valueA < valueB)
{
value = valueA;
}
else if (valueA > valueB)
{
value = valueB;
}
else
{
continue;
}
for (int j2 = 1; j2 < value; j2++)
{
if (valueA % j2 == 0 && valueB % j2 == 0)
{
sumCommonDivisor++;
}
}
if (sumCommonDivisor > 1)
{
break;
}
}
string questionText = string.Format("写出{0}和{1}的所有公约数", valueA, valueB);
FIBQuestion fibQuestion = new FIBQuestion();
fibQuestion.Content.Content = questionText;
fibQuestion.Content.ContentType = ContentType.Text;
section.QuestionCollection.Add(fibQuestion);
if (valueA < valueB)
{
value = valueA;
}
else
{
value = valueB;
}
for (int j2 = 1; j2 <= value; j2++)
{
if (valueA % j2 == 0 && valueB % j2 == 0)
{
QuestionBlank blank = new QuestionBlank();
QuestionContent blankContent = new QuestionContent();
blankContent.Content = j2.ToString();
blankContent.ContentType = ContentType.Text;
blank.ReferenceAnswerList.Add(blankContent);
fibQuestion.QuestionBlankCollection.Add(blank);
fibQuestion.Content.Content += blank.PlaceHolder;
}
}
}
private void CreeateFIBQuestion(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);
}
List <int> questionValueList = new List <int>();
Random rand = new Random((int)DateTime.Now.Ticks);
int valueA = 0, valueB = 0, valueC = 0;
int value = 0;
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("写出{0}和{1}的最小公倍数", valueA, valueB);
FIBQuestion fibQuestion = new FIBQuestion();
fibQuestion.Content.Content = questionText;
fibQuestion.Content.ContentType = ContentType.Text;
section.QuestionCollection.Add(fibQuestion);
QuestionBlank blank = new QuestionBlank();
QuestionContent blankContent = new QuestionContent();
blankContent.Content = valueC.ToString();
blankContent.ContentType = ContentType.Text;
blank.ReferenceAnswerList.Add(blankContent);
fibQuestion.QuestionBlankCollection.Add(blank);
fibQuestion.Content.Content += blank.PlaceHolder;
}