public ActionResult Submit(MultipleChoice multipleChoice)
{
List <MultipleChoice> result = (List <MultipleChoice>)Session["Result"];
CaseAnalysis resultCase = (CaseAnalysis)Session["ResultCase"];
if (result == null)
{
result = new List <MultipleChoice>();
result.Add(multipleChoice);
Session["Result"] = result;
}
else
{
result.Add(multipleChoice);
}
if (resultCase == null)
{
resultCase = new CaseAnalysis();
resultCase.Topics = new List <MultipleChoice>();
resultCase.Topics.Add(multipleChoice);
Session["ResultCase"] = resultCase;
}
if (multipleChoice.CaseId != 0)
{
return(ListAnalysis());
}
return(List());
}
/// <summary>
/// 获得下一个单选
/// </summary>
/// <param name="multipleChoices"></param>
/// <returns></returns>
public MultipleChoice GetNextMultipleChoice(CaseAnalysis resultCase)
{
CaseAnalysis ca = db.CaseAnalysiss.Find(resultCase.Id);
db.Entry(ca).Collection(x => x.Topics).Load();//手动读取List
CaseAnalysis andlysis1 = db.CaseAnalysiss.Find(1);
db.Entry(andlysis1).Collection(x => x.Topics).Load();//手动读取List
if (resultCase.Topics.Count == ca.Topics.Count)
{
//判断是否答完
List <CaseAnalysis> andlysis = db.CaseAnalysiss.OrderBy(e => e.Id).ToList();
List <int> CaseIds = (List <int>)Session["CaseAnalysises"];
if (CaseIds.Count >= andlysis.Count)
{
MultipleChoice end = new MultipleChoice();
ViewBag.end = 1;
return(end);
}
return(null);
}
return(ca.Topics[resultCase.Topics.Count]);
//Random rm = new Random();
//MultipleChoice mc = ca.Topics[rm.Next(ca.Topics.Count)];//随机数最大值不能超过list的总数
//if (resultCase.Topics.Contains(mc))
//{
// return GetNextMultipleChoice(resultCase);
//}
//return mc;
}
/// <summary>
/// 获得下一个案例
/// </summary>
/// <returns></returns>
public CaseAnalysis GetNextCaseAnalysis()
{
List <CaseAnalysis> andlysis = db.CaseAnalysiss.OrderBy(e => e.Cases).ToList();
Random rm = new Random();
CaseAnalysis ga = andlysis[rm.Next(andlysis.Count)]; //随机数最大值不能超过list的总数
db.Entry(ga).Collection(x => x.Topics).Load(); //手动读取List
return(ga);
}
public ActionResult Details(int id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
CaseAnalysis andlysis = db.CaseAnalysiss.Find(id);
db.Entry(andlysis).Collection(x => x.Topics).Load();//手动读取List
if (id == null)
{
return(HttpNotFound());
}
return(View(andlysis));
}
public override ExprNode Validate(ExprValidationContext validationContext)
{
CaseAnalysis analysis = AnalyzeCase();
_whenThenNodeList = new List <UniformPair <ExprEvaluator> >();
foreach (UniformPair <ExprNode> pair in analysis.WhenThenNodeList)
{
if (!_isCase2)
{
if (pair.First.ExprEvaluator.ReturnType.GetBoxedType() != typeof(bool?))
{
throw new ExprValidationException("Case node 'when' expressions must return a boolean value");
}
}
_whenThenNodeList.Add(new UniformPair <ExprEvaluator>(pair.First.ExprEvaluator, pair.Second.ExprEvaluator));
}
if (analysis.OptionalCompareExprNode != null)
{
_optionalCompareExprNode = analysis.OptionalCompareExprNode.ExprEvaluator;
}
if (analysis.OptionalElseExprNode != null)
{
_optionalElseExprNode = analysis.OptionalElseExprNode.ExprEvaluator;
}
if (_isCase2)
{
ValidateCaseTwo();
}
// Determine type of each result (then-node and else node) child node expression
IList <Type> childTypes = new List <Type>();
IList <IDictionary <String, Object> > childMapTypes = new List <IDictionary <String, Object> >();
foreach (UniformPair <ExprEvaluator> pair in _whenThenNodeList)
{
if (pair.Second is ExprEvaluatorTypableReturn)
{
var typableReturn = (ExprEvaluatorTypableReturn)pair.Second;
var rowProps = typableReturn.RowProperties;
if (rowProps != null)
{
childMapTypes.Add(rowProps);
continue;
}
}
childTypes.Add(pair.Second.ReturnType);
}
if (_optionalElseExprNode != null)
{
if (_optionalElseExprNode is ExprEvaluatorTypableReturn)
{
var typableReturn = (ExprEvaluatorTypableReturn)_optionalElseExprNode;
var rowProps = typableReturn.RowProperties;
if (rowProps != null)
{
childMapTypes.Add(rowProps);
}
else
{
childTypes.Add(_optionalElseExprNode.ReturnType);
}
}
else
{
childTypes.Add(_optionalElseExprNode.ReturnType);
}
}
if (!childMapTypes.IsEmpty() && !childTypes.IsEmpty())
{
String message = "Case node 'when' expressions require that all results either return a single value or a Map-type (new-operator) value";
String check;
int count = -1;
foreach (UniformPair <ExprEvaluator> pair in _whenThenNodeList)
{
count++;
if (pair.Second.ReturnType != typeof(DataMap) && pair.Second.ReturnType != null)
{
check = ", check when-condition number " + count;
throw new ExprValidationException(message + check);
}
}
if (_optionalElseExprNode != null)
{
if (_optionalElseExprNode.ReturnType != typeof(DataMap) && _optionalElseExprNode.ReturnType != null)
{
check = ", check the else-condition";
throw new ExprValidationException(message + check);
}
}
throw new ExprValidationException(message);
}
if (childMapTypes.IsEmpty())
{
// Determine common denominator type
try
{
_resultType = TypeHelper.GetCommonCoercionType(childTypes);
if (_resultType.IsNumeric())
{
_isNumericResult = true;
}
}
catch (CoercionException ex)
{
throw new ExprValidationException("Implicit conversion not allowed: " + ex.Message);
}
}
else
{
_mapResultType = childMapTypes[0];
for (int i = 1; i < childMapTypes.Count; i++)
{
DataMap other = childMapTypes[i];
String messageEquals = MapEventType.IsDeepEqualsProperties("Case-when number " + i, _mapResultType, other);
if (messageEquals != null)
{
throw new ExprValidationException("Incompatible case-when return types by new-operator in case-when number " + i + ": " + messageEquals);
}
}
}
return(null);
}
public ActionResult ListAnalysis()
{
CaseAnalysis resultCase = (CaseAnalysis)Session["ResultCase"];
List <int> CaseIds = (List <int>)Session["CaseAnalysises"];
if (CaseIds == null)
{
CaseIds = new List <int>();
}
MultipleChoice mc = null;
if (resultCase != null)
{
mc = GetNextMultipleChoice(resultCase);
if (mc == null)
{
Session["ResultCase"] = null;
return(ListAnalysis());
}
mc.CaseId = resultCase.Id;
resultCase.Topics.Add(mc);
}
else
{
CaseAnalysis result = GetNextCaseAnalysis();
CaseAnalysis aa = new CaseAnalysis();
aa.Topics = new List <MultipleChoice>();
aa.Id = result.Id;
aa.Cases = result.Cases;
mc = GetNextMultipleChoice(aa);
if (CaseIds.Contains(result.Id))
{
return(ListAnalysis());
}
else
{
aa.Topics.Add(mc);
CaseIds.Add(result.Id);
mc.CaseId = result.Id;
Session["CaseAnalysises"] = CaseIds;
}
resultCase = aa;
}
//显示分类和答题数
List <MultipleChoice> results = (List <MultipleChoice>)Session["Result"];
List <MultipleChoice> success = new List <MultipleChoice>();
if (results != null)
{
foreach (MultipleChoice maac in results)
{
if (maac.Answer == maac.Result)
{
success.Add(maac);
}
}
}
string amount = "答题总数：" + (results != null ? results.Count : 0).ToString() + "题";
string score = "答题总分：" + (success != null ? success.Count * 2 : 0).ToString() + "分" + "(答对一题目得2分）";
ViewBag.amount = amount;
ViewBag.score = score;
//这里处理是第一是还是其它题
if (resultCase.Topics.Count == 1)
{
ViewBag.First = true;
}
else
{
ViewBag.First = false;
}
Session["ResultCase"] = resultCase;
CaseAnalysis resultCase1 = (CaseAnalysis)Session["ResultCase"];
ViewBag.anli = resultCase1.Cases;
return(View("List", mc));
}