📄 mainform.cs
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private void ConnectionToClient(){
//try{
socket.Connect(po);
if (socket.Connected){
Byte[] fsbyte= System.Text.Encoding.Unicode.GetBytes(this.cuMSG);
socket.Send(fsbyte,fsbyte.Length,0);
}
//}catch(Exception ex){
//MessageBox.Show("连接客户机时出错："+ex.Message.ToString());
//return;
//}
}
#region 监听主考机或应考机消息
/// <summary>
/// 供主考官链接
/// </summary>
private void ListenServer() {
try{
while(true) {
tempsocket = socket__.Accept();
if (tempsocket.Connected) {
Byte[] b=new byte[4000];
tempsocket.Receive(b,b.Length,0);
string str = System.Text.Encoding.Unicode.GetString(b);
int sI = str.IndexOf("}",2);
string odr = str.Substring(3,sI-3);
this.q.Font = new System.Drawing.Font("宋体", 20F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
switch(odr){
case "QUESTION": //考题
//
this.q.Text = str.Replace("{{{QUESTION}}}","");
this.a.Text = "";
break;
case "QUESTION_QUICK": //抢答通讯
this.keySpace = true;
this.isAlert = true;
this.button33.Enabled = false;
this.button34.Enabled = false;
this.a.Text = "";
this.isW = false;
this.timer.Stop();
this.ksp.Focus();
this.q.Font = new System.Drawing.Font("宋体", 20F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.q.Text = str.Replace("{{{QUESTION_QUICK}}}","");
break;
case "BK_SELECT":
this.ClearLabel();
//this.button101.Visible = true;
//this.button101.Location = new Point(776, 656);
//this.button101.Size = new Size(184, 40);
//this.button101.Text = "确定考题";
this.isW = true;
this.timer.Start();
BK_SelectExam bs = new BK_SelectExam();
bs.ShowDialog();
this.ipStr.Clear();
this.ipStr.Add(this.serverIP + "->");
this.cuMSG = "{{{YES_BK_SELECT}}}XXXXX";
this.SendToClient();
this.isW = false;
break;
case "RANDOM":
this.isW = true;
this.timer.Interval = 10;
this.timer.Start();
break;
case "UN_BK_SELECT":
this.timer.Stop();
this.ClearLabel();
this.button101.Visible = false;
MyMessage mm = new MyMessage("已被主考官结束选题操作");
mm.ShowDialog();
break;
case "YES_BK_SELECT":
//出现选题按钮
this.isSelectExam = true;
this.BK_Select();
break;
case "ANSWER":
this.a.Font = new System.Drawing.Font("宋体", 20F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.a.Text = str.Replace("{{{ANSWER}}}","");
break;
case "TIMEOUT": //抢答超时
this.button33.Enabled = true;
this.button34.Enabled = true;
this.keySpace = false;
this.isW = false;
this.timer.Stop();
mm = new MyMessage("本道题抢答时间已到");
mm.ShowDialog();
break;
case "CLEARFORM": //通知客户端清空界面
this.ClearLabel();
break;
case "SELECTFEN": //选择分数级别
se.fenType.SelectedIndex = -1;
se.examC_.Items.Clear();
se.examC_.SelectedIndex = -1;
se.examC.Text = "";
se.actionS = true;
se.label2.Text = "你选择了{未操作}，目前该分数级别的题库中还有{0}道题，请在下面的选择框中选择{0}之间的任一数字！";
se.ShowDialog();
break;
case "QUICK":
if(this.isAlert){
string ipStr_ = str.Replace("{{{QUICK}}}","").Trim();
ipStr_ = this.GetIP(ipStr_);
ipStr_ = ipStr_ + "->" + this.GetName(ipStr_);
this.cuMSG = "{{{UNQUICK}}}" + ipStr_;
this.alert = false;
this.isAlert = false;
this.SendToClient();
QuickForm qf = new QuickForm(ipStr_);
qf.ShowDialog();
}
break;
case "UNQUICK":
string ipStr__ = str.Replace("{{{UNQUICK}}}","");
this.keySpace = false;
this.button33.Enabled = true;
this.button34.Enabled = true;
QuickForm qf_ = new QuickForm(ipStr__);
qf_.ShowDialog();
break;
case "FEN": //返回符合分数级别的试题数目
string str_1 = str.Replace("{{{FEN}}}","").Trim();
str_1 = str_1.Substring(0,4);
string sql = "select * from ExamItem where fenType = '" + str_1.ToString() + "' and state='可用'";
this.conn.Open();
OleDbDataAdapter odp = new OleDbDataAdapter(sql,conn);
DataSet ds = new DataSet();
odp.Fill(ds,"EXAMITEM");
this.conn.Close();
if(ds.Tables[0].Rows.Count>0){
this.cuMSG = "{{{EXAMCOUNT}}}" + ds.Tables[0].Rows.Count.ToString();
this.SendToClient();
}else{
mm = new MyMessage("应考者在选择试题，但目前题库中已没有可用试题");
mm.ShowDialog();
}
break;
case "EXAMCOUNT":
str_1 = str.Replace("{{{EXAMCOUNT}}}","");
this.examC = str_1;
Config.examCou = str_1;
se.ShowDialog();
break;
case "NOSELECTEXAM":
mm = new MyMessage("对方选择了放弃");
mm.ShowDialog();
this.button101.Enabled = true;
this.button102.Enabled = true;
this.button104.Enabled = true;
this.button105.Enabled = true;
this.button103.ForeColor = Color.Black;
break;
case "SELECTEXAMCOUNT":
str_1 = str.Replace("{{{SELECTEXAMCOUNT}}}","");
int iIndex = str_1.IndexOf("分题");
str_1 = str_1.Substring(0,iIndex + 2);
sql = "select * from ExamItem where fenType = '"+ PublicApplication.GetFormatStr(str_1.ToString(),"|||","end") +"' and state='可用'";
this.conn.Open();
odp = new OleDbDataAdapter(sql,conn);
ds = new DataSet();
odp.Fill(ds,"EXAMITEM");
this.conn.Close();
if(Int32.Parse(PublicApplication.GetFormatStr(str_1,"|||","start")) <= ds.Tables[0].Rows.Count){
DataRow row = ds.Tables[0].Rows[Int32.Parse(PublicApplication.GetFormatStr(str_1,"|||","start")) -1];
this.currentExam = row;
this.q.Text = PublicApplication.GetFormatStr(str_1.ToString(),"|||","end") + "：\n" + row["qStr"].ToString();
//this.a.Text = row["aStr"].ToString();
this.cuMSG = "{{{QUESTION}}}" + this.q.Text;
this.SendToClient();
sql = "update ExamItem set state = '作废' where eID=" + row["eID"].ToString();
this.conn.Open();
OleDbCommand odc = new OleDbCommand(sql,conn);
odc.ExecuteNonQuery();
this.conn.Close();
this.button101.Enabled = true;
this.button102.Enabled = true;
this.button104.Enabled = true;
this.button105.Enabled = true;
this.button103.ForeColor = Color.Black;
}else{
mm = new MyMessage("应考者选择试题失败，请重新选择！\n\n原因：输入了题库外的数字");
mm.ShowDialog();
}
break;
default:
//无操作
break;
}
}
}
}catch(Exception ex){
MessageBox.Show("与主考官电脑连接时出错："+ex.Message.ToString());
}
}
#endregion
/// <summary>
/// 按下空格键抢答
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MainForm_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e) {
if(this.keySpace && e.KeyChar==' '){
this.ipStr.Clear();
this.ipStr.Add(this.serverIP + "->");
this.cuMSG = "{{{QUICK}}}" + this.localIP;
this.SendToClient();
}
this.keySpace = false;
}
private void ksp_Click(object sender, System.EventArgs e) {
if(this.keySpace){
this.ipStr.Clear();
this.ipStr.Add(this.serverIP + "->");
this.cuMSG = "{{{QUICK}}}" + this.localIP;
this.SendToClient();
}
this.keySpace = false;
}
/// <summary>
/// 抢答题到期
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void timeOutCon_Tick(object sender, System.EventArgs e) {
this.timeOutCon.Stop();
if(this.alert){
this.cuMSG = "{{{TIMEOUT}}}XXXX";
this.SendToClient();
MainForm.PlaySound(Application.StartupPath + @"\timeout.wav",0,0);
MessageBox.Show("本题抢答时间到！");
this.button102.Text = "（抢答）随机抽题";
this.button102.ForeColor = Color.Black;
this.button101.Enabled = true;
this.button103.Enabled = true;
this.button104.Enabled = true;
this.isW = false;
this.alert = false;
}
}
//
public void CloseApp(){
Application.Exit();
}
/// <summary>
/// 从IP找姓名
/// </summary>
/// <param name="ipstr"></param>
private string GetName(string ipstr){
for(int i=0;i<this.clientIPs.Length;i++){
if(ipstr.IndexOf(this.clientIPs[i].ToString()) >=0 ){
return this.clieckNas[i].ToString();
}
}
return ipstr;
}
/// <summary>
/// 取IP地址
/// </summary>
/// <param name="ipstr"></param>
/// <returns></returns>
private string GetIP(string ipstr){
string newS = "";
char[] arrs = ipstr.ToCharArray();
for(int i=0;i<arrs.Length;i++){
if(PublicApplication.IsNumeric(arrs[i].ToString()) || arrs[i].ToString() == "."){
newS += arrs[i].ToString();
if(i > 20){
return newS;
break;
}
}
}
return newS;
}
[DllImport("winmm.dll")]
public static extern long PlaySound(String fileName,long a,long b);
//序列化保存系统配置
public void SaveSysteSet(){
try{
//
this.ps.clientIPs = this.clientIPs;
this.ps.clientNas = this.clieckNas;
this.ps.localIP = this.localIP;
this.ps.serverIP = this.serverIP;
this.ps.timeOuts = this.timeOut.ToString();
//
string defaultDirectory = Application.StartupPath;
string fileName = Application.StartupPath + "\\PropertyStatic.config";
Stream s = File.Open(fileName,FileMode.Create);
BinaryFormatter b =new BinaryFormatter();
b.Serialize(s,this.ps);
s.Close();
}catch(Exception ex){
MessageBox.Show("不能保存论坛集合到硬盘，错误信息：\n\n" + ex.Message.ToString());
}
}
//打开配置
public void OpenSystemSet(){
try{
string defaultDirectory = Application.StartupPath;
string fileName = defaultDirectory + "\\PropertyStatic.config";
if(File.Exists(fileName)){ //如果存在，打开文件
Stream s = File.Open(fileName,FileMode.Open);
BinaryFormatter b = new BinaryFormatter();
this.ps = (PropertyStatic)b.Deserialize(s);
s.Close();
this.clientIPs = this.ps.clientIPs;
this.clieckNas = this.ps.clientNas;
this.localIP = this.ps.localIP;
this.serverIP = this.ps.serverIP;
this.timeOut = Int32.Parse(this.ps.timeOuts);
}
}catch(Exception ex){
MessageBox.Show("不能从硬盘中打开论坛集合，错误信息：\n\n" + ex.Message.ToString());
}
}
private void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e) {
if(!this.isW){
this.timer.Stop();
this.q.Font = new System.Drawing.Font("宋体", 20F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
if(this.softType== "SERVER"){
this.GetExamItem();
this.button31.Enabled = true;
this.button32.Enabled = true;
this.button33.Enabled = true;
this.button34.Enabled = true;
this.button105.Enabled = true;
}
}else{
if(this.softType == "SERVER"){
this.button31.Enabled = false;
this.button32.Enabled = false;
this.button33.Enabled = false;
this.button34.Enabled = false;
this.button105.Enabled = false;
}
this.q.Font = new System.Drawing.Font("宋体",120F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.q.Text = GetRandom(10);
//this.q.Font = new System.Drawing.Font("宋体", 20F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
//this.cuMSG = "{{{RANDOM_COUNT}}}" + this.q.Text;
//this.SendToClient();
}
}
}
public class KeyFilterHander : IMessageFilter {
public bool PreFilterMessage(ref Message m) {
Keys keys = ((Keys)(m.WParam.ToInt32())) | Control.ModifierKeys;
if (keys == (Keys.F4 | Keys.Alt)) {
return true;
}
return false;
}
}
}
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