模拟考试系统C源码

开始窗体/using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace Exam public partial class ExamForm : Form public ExamForm() InitializeComponent(); / / ExamForm / / / private void ExamForm_Load(object sender, EventArgs e) CenterToScreen(); Text = 模拟考试系统; this.Width = 360; this.Height = 230; this.progressBar1.Width = 360; this.progressBar1.Height = 10; this.progressBar1.Left = 0; this.progressBar1.Top = 220; this.timer1.Start(); int i = 8; private void timer1_Tick(object sender, EventArgs e) this.progressBar1.PerformStep(); i-; if (i=0) this.timer1.Stop(); FormExam f = new FormExam(); f.Show(); this.Hide(); 数据库辅助类/using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Data;using System.Data.SqlClient;namespace Exam public class DataBase public string connString = Data Source=XUTAO;Initial Catalog=Exam;Integrated Security=True; private SqlConnection conn; / / SqlConnection / public SqlConnection Conn get if (conn = null) conn = new SqlConnection(connString); return conn; / / 打开数据库 / public void openData() if (Conn.State = ConnectionState.Closed) Conn.Open(); else if (Conn.State = ConnectionState.Broken) Conn.Close(); Conn.Open(); / / 关闭数据库 / public void closeData() if (Conn.State = ConnectionState.Open | Conn.State = ConnectionState.Broken) Conn.Close(); 主窗体/using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Data.SqlClient;namespace Exam public partial class FormExam : Form public FormExam() InitializeComponent(); / / 调用数据库 / DataBase db = new DataBase(); / / ExamForm / / / private void FormExam_Load(object sender, EventArgs e) CenterToScreen(); this.Cursor = Cursors.Hand; this.Text = 模拟考试系统; this.tscmbExamType.SelectedIndex = 0; this.timerDate.Start(); this.Width = 1000; this.Height = 600; this.MaximizeBox = false; this.Top = 50; this.groupBox1.Top = 40; this.groupBox1.Left = 10; this.groupBox1.Height = 250; this.groupBox1.Width = 200; this.listExam.GridLines = true; this.listExam.FullRowSelect = true; this.groupBox2.BackColor = Color.Transparent; this.groupBox2.Text = 试题题干; this.groupBox2.Height = 250; this.groupBox2.Width = 755; this.groupBox2.Left = 215; this.groupBox2.Top = 40; this.groupBox2.ForeColor = Color.White; this.rtbExam.ReadOnly = true; this.groupBox3.Text = 试题选项; this.groupBox3.ForeColor = Color.White; this.groupBox3.BackColor = Color.Transparent; this.groupBox3.Left = 215; this.groupBox3.Width = 755; this.groupBox3.Height = 250; this.groupBox3.Top = 295; this.groupBox4.Text = 操作区域; this.groupBox4.ForeColor = Color.White; this.groupBox4.BackColor = Color.Transparent; this.groupBox4.Width = 200; this.groupBox4.Height = 250; this.groupBox4.Top = 295; this.groupBox4.Left = 10; this.button1.Text = 开始答题; this.button1.Top = 40; this.button1.Left = 50; this.button1.Width = 90; this.button1.Height = 25; this.button1.ForeColor = Color.Blue; this.button2.Text = 上一试题; this.button2.Top = 80; this.button2.Left = 50; this.button2.Width = 90; this.button2.Height = 25; this.button2.ForeColor = Color.Blue; this.button3.Text = 下一试题; this.button3.Top = 120; this.button3.Left = 50; this.button3.Width = 90; this.button3.Height = 25; this.button3.ForeColor = Color.Blue; this.button4.Text = 停止答题; this.button4.Top = 160; this.button4.Left = 50; this.button4.Width = 90; this.button4.Height = 25; this.button4.ForeColor = Color.Blue; this.button5.Text = 提交试题; this.button5.Top = 200; this.button5.Left = 50; this.button5.Width = 90; this.button5.Height = 25; this.button5.ForeColor = Color.Blue; this.radioButton1.Text = A; this.radioButton1.Left = 5; this.radioButton1.Top = 50; this.radioButton1.ForeColor = Color.GreenYellow; this.radioButton1.Enabled = false; this.radioButton2.Text = B; this.radioButton2.Left = 5; this.radioButton2.Top = 100; this.radioButton2.ForeColor = Color.GreenYellow; this.radioButton2.Enabled = false; this.radioButton3.Text = C; this.radioButton3.Left = 5; this.radioButton3.Top = 150; this.radioButton3.ForeColor = Color.GreenYellow; this.radioButton3.Enabled = false; this.radioButton4.Text = D; this.radioButton4.Left = 5; this.radioButton4.Top = 200; this.radioButton4.ForeColor = Color.GreenYellow; this.radioButton4.Enabled = false; this.label1.Left = 40; this.label1.Top = 52; this.label1.Text = ; this.label2.Left = 40; this.label2.Top = 102; this.label2.Text = ; this.label3.Left = 40; this.label3.Top = 152; this.label3.Text = ; this.label4.Left = 40; this.label4.Top = 202; this.label4.Text = ; this.label5.Left = 5; this.label5.Top = 20; this.label5.Text = ; this.label5.ForeColor = Color.Red; this.label6.Left = 35; this.label6.Top = 20; this.label6.Text = ; this.listExam.Enabled = false; this.button2.Enabled = false; this.button3.Enabled = false; this.button4.Enabled = false; this.button5.Enabled = false; this.toolStripButton1.Enabled = false; / / 时间 / / / private void timerDate_Tick(object sender, EventArgs e) this.toolStripLabel2.Text = DateTime.Now.ToString(); int j = 600; / / 计时器 / / / private void timerP_Tick(object sender, EventArgs e) j-; this.toolStripLabel4.Text = j.ToString(); if (j 60) this.toolStripLabel4.ForeColor = Color.GreenYellow; else this.toolStripLabel4.ForeColor = Color.Red; if (j = 0) this.timerP.Stop(); this.radioButton1.Enabled = false; this.radioButton2.Enabled = false; this.radioButton3.Enabled = false; this.radioButton4.Enabled = false; this.label1.Enabled = false; this.label2.Enabled = false; this.label3.Enabled = false; this.label4.Enabled = false; this.listExam.Enabled = false; this.button1.Enabled = false; this.button2.Enabled = false; this.button3.Enabled = false; this.button4.Enabled = false; this.button5.Enabled = true; MessageBox.Show(时间到，请提交试题！); return; / / 开始答题 / / / private void button1_Click(object sender, EventArgs e) this.timerP.Start(); this.radioButton1.Enabled = true; this.radioButton2.Enabled = true; this.radioButton3.Enabled = true; this.radioButton4.Enabled = true; this.label1.Enabled = true; this.label2.Enabled = true; this.label3.Enabled = true; this.label4.Enabled = true; this.listExam.Enabled = true; this.listExam.Focus();/第一行默认选中 this.listExam.Items0.Selected = true; this.button1.Enabled = false; this.button2.Enabled = true; this.button3.Enabled = true; this.button4.Enabled = true; this.button5.Enabled = true; / / 停止答题 / / / private void button4_Click(object sender, EventArgs e) this.timerP.Stop(); this.radioButton1.Enabled = false; this.radioButton2.Enabled = false; this.radioButton3.Enabled = false; this.radioButton4.Enabled = false; this.label1.Enabled = false; this.label2.Enabled = false; this.label3.Enabled = false; this.label4.Enabled = false; this.listExam.Enabled = false; this.button1.Enabled = true; this.button2.Enabled = false; this.button3.Enabled = false; this.button4.Enabled = false; this.button5.Enabled = false; / / 显示试题表数据 / public void ListShow() Random random = new Random(); int rand = random.Next(0, 190); string sql = string.Format(select top 10 ExamPaper.SubjectNo, ExamPaper.SubjectName, ExamResult.A,ExamResult.B, ExamResult.C,ExamResult.D, ExamPaper.TypeID from ExamPaper inner join ExamResult on ExamPaper.TypeID=ExamResult.TypeID and ExamPaper.SubjectNo=ExamResult.SubjectNo where ExamPaper.SubjectNo not in (select top 0 ExamPaper.SubjectNo from ExamPaper) and ExamResult.TypeID= (select TypeID from ExamPaperType where ExamPaperType.TypeName like %1%), rand, this.tscmbExamType.Text.Substring(0, 3); try db.openData(); SqlCommand comm = new SqlCommand(sql, db.Conn); SqlDataReader reader = comm.ExecuteReader(); if (!reader.HasRows) return; else while (reader.Read() string SubjectNo = readerSubjectNo.ToString();/题号 string SubjectName = readerSubjectName.ToString();/题干 string TypeID = readerTypeID.ToString(); string A = readerA.ToString(); string B = readerB.ToString(); string C = readerC.ToString(); string D = readerD.ToString(); ListViewItem items = new ListViewItem(SubjectNo); items.SubItems.Add(SubjectName); items.SubItems.Add(TypeID); items.SubItems.Add(A); items.SubItems.Add(B); items.SubItems.Add(C); items.SubItems.Add(D); this.listExam.Items.Add(items); reader.Close(); catch (Exception ex) MessageBox.Show(ex.Message); finally db.closeData(); / / listShow / / / private void tscmbExamType_SelectedIndexChanged(object sender, EventArgs e) if (this.listExam.Items.Count != 0) this.listExam.Items.Clear(); this.timerP.Stop(); j = 600; this.toolStripLabel4.Text = 00; this.radioButton1.Enabled = false; this.radioButton2.Enabled = false; this.radioButton3.Enabled = false; this.radioButton4.Enabled = false; this.label1.Enabled = false; this.label2.Enabled = false; this.label3.Enabled = false; this.label4.Enabled = false; this.listExam.Enabled = false; this.rtbExam.Text = ; this.label1.Text = ; this.label2.Text = ; this.label3.Text = ; this.label4.Text = ; this.label5.Text = ; this.label6.Text = ; this.button1.Enabled = true; this.button2.Enabled = false; this.button3.Enabled = false; this.button4.Enabled = false; this.button5.Enabled = false; this.ListShow(); string TypeID = ;/类型号 / / 显示题干和选项 / public void ShowExam() if (this.listExam.SelectedItems.Count != 0) this.label5.Text = this.listExam.SelectedItems0.SubItems0.Text; this.rtbExam.Text = this.listExam.SelectedItems0.SubItems1.Text; TypeID = this.listExam.SelectedItems0.SubItems2.Text; this.label1.Text = this.listExam.SelectedItems0.SubItems3.Text; this.label2.Text = this.listExam.SelectedItems0.SubItems4.Text; this.label3.Text = this.listExam.SelectedItems0.SubItems5.Text; this.label4.Text = this.listExam.SelectedItems0.SubItems6.Text; else return; / / 选项 / / / private void listExam_SelectedIndexChanged(object sender, EventArgs e) this.ShowExam(); private void button3_Click(object sender, EventArgs e) this.radioButton1.Checked = false; this.radioButton2.Checked = false; this.radioButton3.Checked = false; this.radioButton4.Checked = false; this.label6.Text = ; for (int i = 0; i listExam.Items.Count - 1; i+) if (listExam.Itemsi.Selected) / 得到当前选中项，因为这个控件支持多选，所以只能通过遍历得到 if (i != 0 | i = 0) listExam.Itemsi + 1.Selected = true; listExam.Select(); break; / / 上一题 / / / private void button2_Click(object sender, EventArgs e) this.radioButton1.Checked = false; this.radioButton2.Checked = false; this.radioButton3.Checked = false; this.radioButton4.Checked = false; this.label6.Text = ; for (int i = 0; i listExam.Items.Count; i+) if (listExam.Itemsi.Selected) / 得到当前选中项，因为这个控件支持多选，所以只能通过遍历得到 if (i != 0) listExam.Itemsi - 1.Selected = true; listExam.Select(); break; / / 所选答案 / public int InsertData() string rightname = ; if (this.radioButton1.Checked = true) rightname = radioButton1.Text; else if