form1.cs

图书管理系统

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Windows.Forms;
using System.Data;

namespace ClientSock
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.GroupBox groupBox2;
		private System.Windows.Forms.TextBox textBox3;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Button button3;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.GroupBox groupBox3;
		private System.Windows.Forms.RichTextBox richTextBox1;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.RichTextBox richTextBox2;
		private IPAddress myIP=IPAddress.Parse("127.0.0.1");//服务器端IP
		private IPEndPoint MyServer;//服务器端
		private Socket connectSock;
		
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <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.button1 = new System.Windows.Forms.Button();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.groupBox2 = new System.Windows.Forms.GroupBox();
			this.textBox3 = new System.Windows.Forms.TextBox();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.button3 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.groupBox3 = new System.Windows.Forms.GroupBox();
			this.richTextBox1 = new System.Windows.Forms.RichTextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.richTextBox2 = new System.Windows.Forms.RichTextBox();
			this.groupBox1.SuspendLayout();
			this.groupBox2.SuspendLayout();
			this.groupBox3.SuspendLayout();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(56, 308);
			this.button1.Name = "button1";
			this.button1.TabIndex = 7;
			this.button1.Text = "请求连接";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.groupBox2);
			this.groupBox1.Controls.Add(this.textBox2);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Controls.Add(this.textBox1);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Location = new System.Drawing.Point(0, 0);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(608, 144);
			this.groupBox1.TabIndex = 5;
			this.groupBox1.TabStop = false;
			// 
			// groupBox2
			// 
			this.groupBox2.Controls.Add(this.textBox3);
			this.groupBox2.Location = new System.Drawing.Point(280, 8);
			this.groupBox2.Name = "groupBox2";
			this.groupBox2.Size = new System.Drawing.Size(264, 120);
			this.groupBox2.TabIndex = 4;
			this.groupBox2.TabStop = false;
			this.groupBox2.Text = "服务器状态";
			// 
			// textBox3
			// 
			this.textBox3.Location = new System.Drawing.Point(0, 24);
			this.textBox3.Multiline = true;
			this.textBox3.Name = "textBox3";
			this.textBox3.Size = new System.Drawing.Size(256, 88);
			this.textBox3.TabIndex = 0;
			this.textBox3.Text = "";
			// 
			// textBox2
			// 
			this.textBox2.Location = new System.Drawing.Point(88, 56);
			this.textBox2.Name = "textBox2";
			this.textBox2.TabIndex = 3;
			this.textBox2.Text = "";
			// 
			// label2
			// 
			this.label2.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label2.Location = new System.Drawing.Point(0, 56);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(80, 23);
			this.label2.TabIndex = 2;
			this.label2.Text = "请求端口";
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(88, 24);
			this.textBox1.Name = "textBox1";
			this.textBox1.TabIndex = 1;
			this.textBox1.Text = "";
			// 
			// label1
			// 
			this.label1.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label1.Location = new System.Drawing.Point(0, 24);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(80, 23);
			this.label1.TabIndex = 0;
			this.label1.Text = "服务器IP";
			// 
			// button3
			// 
			this.button3.Location = new System.Drawing.Point(320, 308);
			this.button3.Name = "button3";
			this.button3.TabIndex = 9;
			this.button3.Text = "停止监听";
			this.button3.Click += new System.EventHandler(this.button3_Click);
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(192, 308);
			this.button2.Name = "button2";
			this.button2.TabIndex = 8;
			this.button2.Text = "发送消息";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// groupBox3
			// 
			this.groupBox3.Controls.Add(this.richTextBox1);
			this.groupBox3.Controls.Add(this.label4);
			this.groupBox3.Controls.Add(this.label3);
			this.groupBox3.Controls.Add(this.richTextBox2);
			this.groupBox3.Location = new System.Drawing.Point(0, 148);
			this.groupBox3.Name = "groupBox3";
			this.groupBox3.Size = new System.Drawing.Size(616, 136);
			this.groupBox3.TabIndex = 6;
			this.groupBox3.TabStop = false;
			// 
			// richTextBox1
			// 
			this.richTextBox1.Location = new System.Drawing.Point(88, 8);
			this.richTextBox1.Name = "richTextBox1";
			this.richTextBox1.Size = new System.Drawing.Size(456, 56);
			this.richTextBox1.TabIndex = 3;
			this.richTextBox1.Text = "";
			// 
			// label4
			// 
			this.label4.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label4.Location = new System.Drawing.Point(8, 88);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(80, 23);
			this.label4.TabIndex = 2;
			this.label4.Text = "发送信息";
			// 
			// label3
			// 
			this.label3.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label3.Location = new System.Drawing.Point(8, 16);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(80, 23);
			this.label3.TabIndex = 1;
			this.label3.Text = "接受信息";
			// 
			// richTextBox2
			// 
			this.richTextBox2.Location = new System.Drawing.Point(88, 72);
			this.richTextBox2.Name = "richTextBox2";
			this.richTextBox2.Size = new System.Drawing.Size(456, 56);
			this.richTextBox2.TabIndex = 4;
			this.richTextBox2.Text = "";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(600, 350);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.groupBox1);
			this.Controls.Add(this.button3);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.groupBox3);
			this.Name = "Form1";
			this.Text = "客户端";
			this.groupBox1.ResumeLayout(false);
			this.groupBox2.ResumeLayout(false);
			this.groupBox3.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			try
			{
				myIP=IPAddress.Parse(textBox1.Text);
			}
			catch
			{
				MessageBox.Show("你输入的IP地址不正确，请重新输入!");
			}
			try
			{	this.MyServer=new IPEndPoint(myIP,int.Parse(textBox2.Text));
				connectSock=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
				connectSock.Connect(MyServer);
				textBox3.AppendText("与主机"+textBox1.Text+"端口"+textBox2.Text+"连接成功!\r\n");
				Thread thread=new Thread(new ThreadStart(receive));;
				thread.Start();
			}
			catch(Exception ee)
			{
				textBox3.AppendText(ee.Message);
			}
		}

		private void button3_Click(object sender, System.EventArgs e)
		{
			try
			{
				connectSock.Close();
				textBox3.AppendText("与主机"+textBox1.Text+"端口"+textBox2.Text+"断开连接!\r\n");
			}
			catch
			{
				MessageBox.Show("连接尚未建立，断开无效!");
			}
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			try
			{
				Byte[] sendByte=new byte[64];
				string send=richTextBox2.Text+"\r\n";
				NetworkStream netStream=new NetworkStream(connectSock);
				sendByte=System.Text.Encoding.BigEndianUnicode.GetBytes(send.ToCharArray());
				netStream.Write(sendByte,0,sendByte.Length);
				netStream.Flush();
			}
			catch
			{
				MessageBox.Show("连接尚未建立！发送无效");

			}
		}
		private void receive()
		{
			Byte[] Rec=new byte[64];
			NetworkStream netStream=new NetworkStream(connectSock);
			netStream.Read(Rec,0,Rec.Length);
			string RecMessage=System.Text.Encoding.BigEndianUnicode.GetString(Rec);
			richTextBox1.AppendText(RecMessage+"\r\n");
		}
	}
}