frmstart.cs

考试管理系统CS架构 不需更多说明

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using ExamSystem.Common.Objects;
using ExamSystem.Common;
using ExamSystem.BusinessFacade.TopicsFacade;
using System.Threading;
namespace StudentsClient
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class FrmStart : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Panel panel3;
		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.Panel panel2;
		private System.Windows.Forms.Panel panel6;
		private System.Windows.Forms.Button btnEnd;
		private System.Windows.Forms.Panel panel7;
		private System.Windows.Forms.Label lblTopic;
		private System.Windows.Forms.Panel panel8;
		private System.Windows.Forms.Label lblAnswer;
		private System.Windows.Forms.Panel panel4;
		private System.Windows.Forms.Panel panel5;
		private System.ComponentModel.IContainer components;
		private Exam curExam;
		private ExamSystem.Common.DataListView dlvTitles;
		private System.Windows.Forms.Splitter splitter1;
		private System.Windows.Forms.Button btnNext;
		private System.Windows.Forms.Button btnBack;
		private System.Windows.Forms.CheckedListBox clbAnwser;
		private System.Windows.Forms.RichTextBox rtbTitle;
		private DataSet dsTitle;
		private System.Windows.Forms.Timer timerExam;
		private System.Windows.Forms.Label labTime;//题目的数据集
		private ExamTime examTime;
		
		public FrmStart(Exam exam)
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			this.curExam=exam;
		}
		private void setAnswer(string answers)
		{
			if(answers.Trim().Length<=0)
			{
				return;
			}
			string[] titAnswers=answers.Split(new char[]{','});
			clbAnwser.ClearSelected();
			
			for(int i=0;i<titAnswers.Length;i++)
			{
				char ans=titAnswers[i][0];
				int selIndex=(int)(ans-'A');
				clbAnwser.SetItemCheckState(selIndex,CheckState.Checked);
			}
		}
		private void fillTitleInfo(int index)
		{
			
			DataRow dr=dsTitle.Tables[0].Rows[index];
			this.rtbTitle.Text=dr["TopicDetil"].ToString();
			int answers=(int)dr["Anwsers"];
			clbAnwser.Items.Clear();
			for(int i=0;i<answers;i++)
			{
				clbAnwser.Items.Add((char)('A'+i));
			}
			setAnswer(dr["myAnswer"].ToString());
				
		}
		

		private DataSet getTopicID()
		{
			DataSet ds=new DataSet();
			TopicsFac topic=new TopicsFac();
			if(curExam.ExamCate>0)
			{
				ds=topic.selectTopicID(curExam.ExamID,"",-1,-1,"",SearchBooleans.NULL);
			}
			else
			{
				ds=topic.selectTopicID(curExam.ExamClass,"",-1);
			}
			return ds;
		}

		/// <summary>
		/// 把筛选出来的题目填进ArrayList里
		/// </summary>
		/// <param name="dv">筛选的DataView</param>
		/// <param name="level">难度</param>
		/// <param name="count">题目数量</param>
		/// <param name="titIDList">要填进的ArrayList</param>
		private void filter(DataView dv,int level,int count,ArrayList titIDList)
		{
			dv.RowFilter="TopicLevel="+level.ToString();
			Random rnd=new Random(DateTime.Now.Hour*100+DateTime.Now.Second*10+DateTime.Now.Millisecond);
			for(int i=0;i<count;i++)
			{
				int index=rnd.Next(0,dv.Count);
				titIDList.Add(dv[index]["TopicID"]);
				dv.Delete(index);
				if(dv.Count<=0)
				{
					break;
				}
				
			}
		}

		private ArrayList filterTopicID()
		{
			DataView dvTopic=getTopicID().Tables[0].DefaultView;
			string[] tits=curExam.ExamTitles.Split(new char[]{','});
			int[] tit=new int[tits.Length];
			ArrayList titIDList=new ArrayList();
			for(int i=0;i<tits.Length;i++)
			{
				tit[i]=Convert.ToInt32(tits[i]);
				filter(dvTopic,i+1,tit[i],titIDList);
			}
			return titIDList;
		}

		private void fillList()
		{
			DataTable dt=dsTitle.Tables[0].Copy();
			dt.Columns.RemoveAt(5);
			dt.Columns.RemoveAt(4);
			dt.Columns.RemoveAt(3);
			dt.Columns.RemoveAt(2);
			dt.Columns.RemoveAt(0);
			dlvTitles.BindTable=dt;
			dlvTitles.Columns[1].Text="题目";
			dlvTitles.Columns[2].Text="答案";
			dlvTitles.AutoColumnsWidth=true;
		}

		private ArrayList getAnswer()
		{
			ArrayList list=new ArrayList();
			for(int i=0;i<clbAnwser.CheckedItems.Count;i++)
			{
				list.Add(clbAnwser.CheckedItems[i].ToString());
			}
			return list;
		}

		private bool insertInfo()
		{
			if(curExam.ExamID<=0)
			{
				return true;
			}
			ResultFac resFac=new ResultFac();
			return resFac.insertResult(CommVal.CurrentStu.StuID,this.curExam.ExamID,-1,"");
			//resFac.insertResult
		}

		private void updateResult(string res,double sorce)
		{
			ResultFac resFac=new ResultFac();
			DataSet ds=resFac.getResult(-1,CommVal.CurrentStu.StuID,this.curExam.ExamID,-1,"");
			int id=(int)ds.Tables[0].Rows[0]["ResultID"];
			if(id>=0)
			{
				resFac.updateResult(id,-1,-1,sorce,res);
			}
		}
		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			this.panel3 = new System.Windows.Forms.Panel();
			this.btnNext = new System.Windows.Forms.Button();
			this.btnBack = new System.Windows.Forms.Button();
			this.panel6 = new System.Windows.Forms.Panel();
			this.btnEnd = new System.Windows.Forms.Button();
			this.panel1 = new System.Windows.Forms.Panel();
			this.dlvTitles = new ExamSystem.Common.DataListView();
			this.panel2 = new System.Windows.Forms.Panel();
			this.panel7 = new System.Windows.Forms.Panel();
			this.panel4 = new System.Windows.Forms.Panel();
			this.rtbTitle = new System.Windows.Forms.RichTextBox();
			this.panel5 = new System.Windows.Forms.Panel();
			this.labTime = new System.Windows.Forms.Label();
			this.lblTopic = new System.Windows.Forms.Label();
			this.panel8 = new System.Windows.Forms.Panel();
			this.clbAnwser = new System.Windows.Forms.CheckedListBox();
			this.lblAnswer = new System.Windows.Forms.Label();
			this.timerExam = new System.Windows.Forms.Timer(this.components);
			this.splitter1 = new System.Windows.Forms.Splitter();
			this.panel3.SuspendLayout();
			this.panel6.SuspendLayout();
			this.panel1.SuspendLayout();
			this.panel2.SuspendLayout();
			this.panel7.SuspendLayout();
			this.panel4.SuspendLayout();
			this.panel5.SuspendLayout();
			this.panel8.SuspendLayout();
			this.SuspendLayout();
			// 
			// panel3
			// 
			this.panel3.Controls.Add(this.btnNext);
			this.panel3.Controls.Add(this.btnBack);
			this.panel3.Controls.Add(this.panel6);
			this.panel3.Dock = System.Windows.Forms.DockStyle.Bottom;
			this.panel3.Location = new System.Drawing.Point(0, 325);
			this.panel3.Name = "panel3";
			this.panel3.Size = new System.Drawing.Size(600, 48);
			this.panel3.TabIndex = 20;
			// 
			// btnNext
			// 
			this.btnNext.Location = new System.Drawing.Point(106, 14);
			this.btnNext.Name = "btnNext";
			this.btnNext.Size = new System.Drawing.Size(80, 24);
			this.btnNext.TabIndex = 31;
			this.btnNext.Text = "下一题>>";
			this.btnNext.Click += new System.EventHandler(this.btnNext_Click);
			// 
			// btnBack
			// 
			this.btnBack.Location = new System.Drawing.Point(14, 14);
			this.btnBack.Name = "btnBack";
			this.btnBack.Size = new System.Drawing.Size(80, 24);
			this.btnBack.TabIndex = 30;
			this.btnBack.Text = "<<上一题";
			this.btnBack.Click += new System.EventHandler(this.btnBack_Click);
			// 
			// panel6
			// 
			this.panel6.Controls.Add(this.btnEnd);
			this.panel6.Dock = System.Windows.Forms.DockStyle.Right;
			this.panel6.Location = new System.Drawing.Point(488, 0);
			this.panel6.Name = "panel6";
			this.panel6.Size = new System.Drawing.Size(112, 48);
			this.panel6.TabIndex = 1;
			// 
			// btnEnd
			// 
			this.btnEnd.Location = new System.Drawing.Point(26, 14);
			this.btnEnd.Name = "btnEnd";
			this.btnEnd.Size = new System.Drawing.Size(64, 24);
			this.btnEnd.TabIndex = 2;
			this.btnEnd.Text = "交卷";
			this.btnEnd.Click += new System.EventHandler(this.btnEnd_Click);
			// 
			// panel1
			// 
			this.panel1.Controls.Add(this.dlvTitles);
			this.panel1.Dock = System.Windows.Forms.DockStyle.Left;
			this.panel1.Location = new System.Drawing.Point(0, 0);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(138, 325);
			this.panel1.TabIndex = 21;
			// 
			// dlvTitles
			// 
			this.dlvTitles.AutoColumnsWidth = false;
			this.dlvTitles.BindTable = null;
			this.dlvTitles.ColumnsWidth = 100;
			this.dlvTitles.Dock = System.Windows.Forms.DockStyle.Fill;
			this.dlvTitles.FullRowSelect = true;
			this.dlvTitles.HeaderStyle = System.Windows.Forms.ColumnHeaderStyle.Nonclickable;
			this.dlvTitles.LineNumWidth = 30;
			this.dlvTitles.Location = new System.Drawing.Point(0, 0);
			this.dlvTitles.MultiSelect = false;
			this.dlvTitles.Name = "dlvTitles";
			this.dlvTitles.SelectedColor = System.Drawing.Color.MediumBlue;
			this.dlvTitles.Size = new System.Drawing.Size(138, 325);
			this.dlvTitles.TabIndex = 0;
			this.dlvTitles.View = System.Windows.Forms.View.Details;
			this.dlvTitles.SelectedIndexChanged += new System.EventHandler(this.dlvTitles_SelectedIndexChanged);
			// 
			// panel2
			// 
			this.panel2.Controls.Add(this.panel7);
			this.panel2.Dock = System.Windows.Forms.DockStyle.Fill;
			this.panel2.Location = new System.Drawing.Point(138, 0);
			this.panel2.Name = "panel2";
			this.panel2.Size = new System.Drawing.Size(462, 325);
			this.panel2.TabIndex = 22;
			// 
			// panel7
			// 
			this.panel7.Controls.Add(this.panel4);
			this.panel7.Controls.Add(this.panel5);