frmuser.cs

实现ＡＴＭ模拟

					this.txtID.Text="";
					this.txtPwd.Text="";
				}
				
				sw.Close();
				sr.Close();
				net.Close();
			}
			catch
			{
				this.tabControl1.SelectedIndex=7;
				this.lblErrorMsg.Text="登陆失败.帐户不存在!";
				this.timer2.Start();
				this.txtID.Text="";
				this.txtPwd.Text="";
			}

			
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			try
			{
				string line="";
				if(this.tabControl1.SelectedIndex==2)
				{
					line="QUERYBALANCE|"+this.txtID.Text+"|"+this.txtPwd.Text;
			}
				TcpClient tcp=new TcpClient();
				tcp.Connect(IPAddress.Parse("127.0.0.1"),9000);
				NetworkStream net=tcp.GetStream();
				StreamWriter sw=new StreamWriter(net);
				StreamReader sr=new StreamReader(net);
				sw.WriteLine(line);
				sw.Flush();
				
				int aa=int.Parse(sr.ReadLine().ToString());
			
		

				this.tabControl1.SelectedIndex=6;

				this.lblOkMsg.Text="用户帐号为"+this.txtID.Text+"的余额为: "+aa+".00元";

				sw.Flush();
				sw.Close();
				sr.Close();
				net.Close();
			}
			catch
			{
				this.tabControl1.SelectedIndex=7;
				this.lblErrorMsg.Text="密码有误!";
				this.timer1.Start();
			}

		}

		private void button3_Click(object sender, System.EventArgs e)
		{
			try
			{
				mac=Convert.ToDouble(this.txtQueQian.Text);
			}
			catch
			{
				MessageBox.Show("金额应输入数字！");
				this.txtQueQian.Text="";
				return;
			}
			
			//判断转账金额的正确
			if(int.Parse(this.txtQueQian.Text) <0)
			{
				MessageBox.Show("金额不能为负数");
				this.txtQueQian.Text = "";
				return;
			}
			
			else if(this.txtQueQian.Text.StartsWith("0"))
			{
				MessageBox.Show("不能以0开头");
				this.txtChunQian.Text = "";
				return;
			}
			else
			{
				try
				{
					string line="";
					if(this.tabControl1.SelectedIndex==3)
					{
						line="GETMONEY|"+this.txtID.Text+"|"+mac;
					}
					TcpClient tcp=new TcpClient();
					tcp.Connect(IPAddress.Parse("127.0.0.1"),9000);
					NetworkStream net=tcp.GetStream();
					StreamWriter sw=new StreamWriter(net);
					StreamReader sr=new StreamReader(net);

					sw.WriteLine(line);
					sw.Flush();

					this.btnPrint.Visible = true;
					this.tabControl1.SelectedIndex=6;
					
					string i=sr.ReadLine();
					//MessageBox.Show(""+i);
					if(i=="888")
					{
						this.lblOkMsg.Text="您已顺利取款!";
					}
					else
					{
						this.tabControl1.SelectedIndex=7;
						this.lblErrorMsg.Text="您的余额不足!";
					}
				
					sw.Close();
					sr.Close();
					net.Close();
				}
				catch
				{
					this.tabControl1.SelectedIndex=7;
					this.lblErrorMsg.Text="您已取款失败,请核实密码和余额!";
					this.timer1.Start();
				}
			}
		}

		private void button4_Click(object sender, System.EventArgs e)
		{
			try
			{
				mac=Convert.ToDouble(this.txtChunQian.Text);
			}
			catch
			{
				MessageBox.Show("金额应输入数字！");
				this.txtChunQian.Text="";
				return;
			}
			
			//判断转账金额的正确
			if(int.Parse(this.txtChunQian.Text) <0)
			{
				MessageBox.Show("金额不能为负数");
				this.txtChunQian.Text = "";
				return;
			}
			
			else if(this.txtChunQian.Text.StartsWith("0"))
			{
				MessageBox.Show("不能以0开头");
				this.txtChunQian.Text = "";
				return;
			}
			else
			{
				try
				{
					string line="";
					if(this.tabControl1.SelectedIndex==4)
					{
						line="SETMONEY|"+this.txtID.Text+"|"+mac;
					}
					TcpClient tcp=new TcpClient();
					tcp.Connect(IPAddress.Parse("127.0.0.1"),9000);
					NetworkStream net=tcp.GetStream();
					StreamWriter sw=new StreamWriter(net);
					StreamReader sr=new StreamReader(net);
			
					sw.WriteLine(line);
					sw.Flush();
					string i=sr.ReadLine();
					//MessageBox.Show(i);
					if(i=="888")
					{
						this.btnPrint.Visible = true;
						this.tabControl1.SelectedIndex=6;
						this.lblOkMsg.Text="您已顺利存款!";
					}
					else if(i=="444")
					{
						this.tabControl1.SelectedIndex=7;
						this.lblErrorMsg.Text="您的余额不足!";
					}
					else if(i=="400")
					{
						this.tabControl1.SelectedIndex=7;
						this.lblErrorMsg.Text="您的余额不足!";
					}
				
					sw.Flush();
					sw.Close();
					sr.Close();
					net.Close();
				}
				catch
				{
					this.tabControl1.SelectedIndex=7;
					this.lblErrorMsg.Text="您已存款失败,请核实密码!";
					this.timer1.Start();
				}
			}
		}

		//用户输入的金额
		double mac;
		
		private void button5_Click(object sender, System.EventArgs e)
		{
			
			
			try
			{
				mac=Convert.ToDouble(this.txtZhuanMoney.Text);
			}
			catch
			{
				MessageBox.Show("输入错误,请重新输入！");
				this.txtZhuanMoney.Text="";
				return;
			}
			
			if(this.txtDuiZhang.Text==this.txtID.Text)
			{
				MessageBox.Show("不能给自己转账！");
				this.txtDuiZhang.Text="";
				this.txtADuiZhang.Text="";
				this.txtZhuanMoney.Text="";
				return;
				
			}

			else if(this.txtDuiZhang.Text != this.txtADuiZhang.Text)
			{
				MessageBox.Show("帐号不一致,请重新输入!");
				this.txtADuiZhang.Text="";
				this.txtDuiZhang.Text="";
				this.txtZhuanMoney.Text="";
			}
			
			else if(this.txtZhuanMoney.Text.StartsWith("0"))
			{
				MessageBox.Show("不能以0开头");
				return;
			}
			
				//判断转账金额的正确
			else if(int.Parse(this.txtZhuanMoney.Text) <0)
			{
				MessageBox.Show("金额不能为负数");
				this.txtZhuanMoney.Text = "";
				return;
			}

				//判断每天交易金额的最大限度
			else if(int.Parse(this.txtZhuanMoney.Text) >= 50000)
			{
				MessageBox.Show("交易金额过大,请重新填入!");
				this.txtZhuanMoney.Text = "";
				return;
			}
			else if(this.txtDuiZhang.Text.Equals("1001") || this.txtDuiZhang.Text.Equals("1002") || this.txtDuiZhang.Text.Equals("1003"))
			{
				try
				{
					string line="";
					if(this.tabControl1.SelectedIndex==5)
					{
						line="TRANSFER|"+this.txtID.Text+"|"+this.txtDuiZhang.Text+"|"+mac;
					}
					TcpClient tcp=new TcpClient();
					tcp.Connect(IPAddress.Parse("127.0.0.1"),9000);
					NetworkStream net=tcp.GetStream();
					StreamWriter sw=new StreamWriter(net);
					StreamReader sr=new StreamReader(net);
			

					sw.WriteLine(line);
					sw.Flush();
					this.btnPrint.Visible = true;
					string i=sr.ReadLine();

					if(i=="888")
					{
						this.tabControl1.SelectedIndex=6;
						this.lblOkMsg.Text="您已顺利转帐!";
					}
					else if(i=="444")
					{
						this.tabControl1.SelectedIndex=7;
						this.lblErrorMsg.Text="您的余额不足!";
					}
					else if(i=="400")
					{
						this.tabControl1.SelectedIndex=7;
						this.lblErrorMsg.Text="您的余额不足!";
					}
				
					
					sw.Close();
					sr.Close();
					net.Close();
				}
				catch
				{
					this.tabControl1.SelectedIndex=7;
					this.lblErrorMsg.Text="您不能成功转帐,请核实帐号";
					this.timer1.Start();
				}

			}
			else 
			{
				this.tabControl1.SelectedIndex=7;
				this.lblErrorMsg.Text="请核实帐号";
				this.timer1.Start();
			}
		}

		private void button7_Click(object sender, System.EventArgs e)
		{
			btn("2");
		}

		private void button6_Click(object sender, System.EventArgs e)
		{
			btn("1");
			
		}

		private void button21_Click(object sender, System.EventArgs e)
		{
			this.tabControl1.SelectedIndex = 3;
		}


		Random ran = new Random(123);


		private void button18_Click(object sender, System.EventArgs e)
		{
			this.tabControl1.SelectedIndex = 1;
		}

		private void button19_Click(object sender, System.EventArgs e)
		{