public ArrayList GetQuestion_random(int length, int index)
{
ArrayList Question = new ArrayList();
int count = (int)collection.Find(filter: new BsonDocument()).Count();
Random ran = new Random();
int skipnum = ran.Next(0, count - length);
var cursor = collection.Find(new BsonDocument()).Skip(skipnum).Limit(length).ToCursor();
int i = index;
foreach (var document in cursor.ToEnumerable())
{
document["_id"] = document["_id"].ToString();
Exam_Question exam_Question = new Exam_Question
{
Index = i.ToString() + "、 ",
Id = document["id"].ToString(),
Target = document["target"].ToString(),
Question = document["question"].ToString(),
Type = document["Type"].ToString(),
Imageurl = document["imageurl"].ToString(),
Sinaimg = document["sinaimg"].ToString(),
Bestanswer = document["bestanswer"].ToString(),
Bestanswerid = document["bestanswerid"].ToString(),
A = document["options"]["a"].ToString(),
B = document["options"]["b"].ToString(),
C = document["options"]["c"].ToString(),
D = document["options"]["d"].ToString()
};
i++;
Question.Add(exam_Question);
}
return(Question);
}
public static Hashtable Get_Score(DataList dataList, ArrayList question, string type)
{
Hashtable hashtable = new Hashtable();
ArrayList question_choosed = new ArrayList();
int score = 0;
if (type == "questions_more")
{
for (int i = 0; i < dataList.Items.Count; i++)
{
#pragma warning disable CS0436 // 类型与导入类型冲突
Exam_Question exam = (Exam_Question)question[i];
#pragma warning restore CS0436 // 类型与导入类型冲突
string checkboxchoosed = null;
CheckBoxList checkBoxList = (CheckBoxList)dataList.Items[i].FindControl("check_options");
// 获取选择项
for (int j = 0; j < checkBoxList.Items.Count; j++)
{
if (checkBoxList.Items[j].Selected)
{
checkboxchoosed = checkboxchoosed + (j + 1).ToString();
}
}
question_choosed.Add(checkboxchoosed);
// 比对答案
if (checkboxchoosed == exam.Target)
{
score++;
}
}
}
else
{
for (int i = 0; i < dataList.Items.Count; i++)
{
#pragma warning disable CS0436 // 类型与导入类型冲突
Exam_Question exam = (Exam_Question)question[i];
#pragma warning restore CS0436 // 类型与导入类型冲突
RadioButtonList radio = (RadioButtonList)dataList.Items[i].FindControl("radio_options");
// 获取选择项
for (int j = 0; j < radio.Items.Count; j++)
{
if (radio.Items[j].Selected)
{
question_choosed.Add(j);
// 比对答案
if ((j + 1).ToString() == exam.Target)
{
score++;
}
break;
}
}
}
}
hashtable.Add(type + "_score", score);
hashtable.Add(type + "_chosed", question_choosed);
return(hashtable);
}
public static void Loading_Question(DataList dataList, ArrayList question, string type)
{
if (type == "questions_one")
{
for (int i = 0; i < dataList.Items.Count; i++)
{
#pragma warning disable CS0436 // 类型与导入类型冲突
Exam_Question exam = (Exam_Question)question[i];
#pragma warning restore CS0436 // 类型与导入类型冲突
RadioButtonList radio = (RadioButtonList)dataList.Items[i].FindControl("radio_options");
if (exam.A != "")
{
radio.Items.Add(exam.A);
}
if (exam.B != "")
{
radio.Items.Add(exam.B);
}
if (exam.C != "")
{
radio.Items.Add(exam.C);
}
if (exam.D != "")
{
radio.Items.Add(exam.D);
}
}
}
else if (type == "questions_more")
{
for (int i = 0; i < dataList.Items.Count; i++)
{
#pragma warning disable CS0436 // 类型与导入类型冲突
Exam_Question exam = (Exam_Question)question[i];
#pragma warning restore CS0436 // 类型与导入类型冲突
CheckBoxList check = (CheckBoxList)dataList.Items[i].FindControl("check_options");
if (exam.A != "")
{
check.Items.Add(exam.A);
}
if (exam.B != "")
{
check.Items.Add(exam.B);
}
if (exam.C != "")
{
check.Items.Add(exam.C);
}
if (exam.D != "")
{
check.Items.Add(exam.D);
}
}
}
}
public static ArrayList GetQuestionsOrChoosed(BsonDocument document, string type)
{
ArrayList arrayList = new ArrayList();
var questions = document[type];
BsonArray array = (BsonArray)document[type][0];
if (type == "question_one" || type == "question_more" || type == "question_judge")
{
foreach (var item in array)
{
Exam_Question exam = new Exam_Question
{
Target = item["target"].ToString(),
Id = item["id"].ToString(),
Question = item["question"].ToString(),
Sinaimg = item["sinaimg"].ToString(),
Imageurl = item["imageurl"].ToString(),
Bestanswer = item["bestanswer"].ToString(),
Bestanswerid = item["bestanswerid"].ToString(),
A = item["options"]["a"].ToString(),
B = item["options"]["b"].ToString(),
C = item["options"]["c"].ToString(),
D = item["options"]["d"].ToString(),
Index = item["Index"].ToString(),
Type = item["Type"].ToString(),
};
arrayList.Add(exam);
}
}
else if (type == "questions_more_chosed")
{
foreach (var item in array)
{
string choosed = item.ToString();
arrayList.Add(choosed);
}
}
else
{
foreach (var item in array)
{
int choosed = item.AsInt32;
arrayList.Add(choosed);
}
}
return(arrayList);
}
public static void Loading_Result(DataList dataList, ArrayList question, string type, ArrayList choosed)
{
if (type == "questions_more")
{
for (int i = 0; i < dataList.Items.Count; i++)
{
#pragma warning disable CS0436 // 类型与导入类型冲突
Exam_Question exam = (Exam_Question)question[i];
#pragma warning restore CS0436 // 类型与导入类型冲突
string checkboxchoosed = choosed[i].ToString(); // 用户选择的项
CheckBoxList checkBoxList = (CheckBoxList)dataList.Items[i].FindControl("check_options");
for (int j = 0; j < checkboxchoosed.Length; j++)
{
int num = Int32.Parse(checkboxchoosed[j].ToString()) - 1;
checkBoxList.Items[num].Selected = true;
}
if (checkboxchoosed == exam.Target)
{
Panel Panel_result_image = (Panel)dataList.Items[i].FindControl("Panel_result_image");
Image image = new Image
{
CssClass = "image_result",
ImageUrl = "~/Images/选中.png"
};
Panel_result_image.Controls.Add(image);
}
else
{
Panel Panel_Answer = (Panel)dataList.Items[i].FindControl("Panel_Answer");
Panel Panel_result_image = (Panel)dataList.Items[i].FindControl("Panel_result_image");
Image image = new Image
{
CssClass = "image_result",
ImageUrl = "~/Images/关闭.png"
};
Panel_result_image.Controls.Add(image);
Label bestanswer = new Label
{
Text = "本题解析：</br>" + exam.Bestanswer,
};
Panel_Answer.Controls.Add(bestanswer);
}
checkBoxList.Enabled = false;
}
}
else
{
for (int i = 0; i < dataList.Items.Count; i++)
{
#pragma warning disable CS0436 // 类型与导入类型冲突
Exam_Question exam = (Exam_Question)question[i];
#pragma warning restore CS0436 // 类型与导入类型冲突
int target = Convert.ToInt32(choosed[i]) + 1;
RadioButtonList radio = (RadioButtonList)dataList.Items[i].FindControl("radio_options");
radio.Items[target - 1].Selected = true;
if (target.ToString() == exam.Target)
{
Panel Panel_result_image = (Panel)dataList.Items[i].FindControl("Panel_result_image");
Image image = new Image
{
CssClass = "image_result",
ImageUrl = "~/Images/选中.png"
};
Panel_result_image.Controls.Add(image);
}
else
{
Panel Panel_Answer = (Panel)dataList.Items[i].FindControl("Panel_Answer");
Panel Panel_result_image = (Panel)dataList.Items[i].FindControl("Panel_result_image");
Image image = new Image
{
CssClass = "image_result",
ImageUrl = "~/Images/关闭.png"
};
Panel_result_image.Controls.Add(image);
Label bestanswer = new Label
{
Text = "本题解析：</br>" + exam.Bestanswer,
};
Panel_Answer.Controls.Add(bestanswer);
}
radio.Enabled = false;
}
}
}