本文实例为大家分享了c#基于sockets类实现tcp通讯的具体代码，供大家参考，具体内容如下
最终效果
tcpclient
using system;
using system.collections.generic;
using system.componentmodel;
using system.data;
using system.drawing;
using system.linq;
using system.text;
using system.threading.tasks;
using system.windows.forms;
using system.net;
using system.net.sockets;
using system.threading;
namespace tcpclient02
{
public partial class form1 : form
{
public form1()
{
initializecomponent();
}
socket socketsend;
private void button1_click(object sender, eventargs e)
{
//create socket
socketsend = new socket(addressfamily.internetwork, sockettype.stream, protocoltype.tcp);
ipaddress ip = ipaddress.parse(textbox1.text);
ipendpoint point = new ipendpoint(ip, convert.toint32(textbox2.text));
idinfo idinfo = new idinfo(); //read id number information
//get the ip address and port number of the remote server
socketsend.connect(point);
showmessages("connection succeeded");
//start a new thread and keep receiving messages sent by the server
thread th = new thread(recivemessages);
th.isbackground = true;
th.start();
}
private void button2_click(object sender, eventargs e)
{
string str = textbox3.text.trim();
byte[] buffer = system.text.encoding.utf8.getbytes(str);
socketsend.send(buffer);
}
void showmessages(string str)
{
textbox4.appendtext(str "\r\n");
}
void recivemessages()
{
while (true)
{
byte[] buffer = new byte[1024 * 1024 * 3];
int r = socketsend.receive(buffer);
if (r == 0)
{
break;
}
string s = encoding.utf8.getstring(buffer, 0, r);
showmessages(socketsend.remoteendpoint ":" s);
}
}
private void form1_load(object sender, eventargs e)
{
control.checkforillegalcrossthreadcalls = false;
}
}
}
tcpserver
using system;
using system.collections.generic;
using system.componentmodel;
using system.data;
using system.drawing;
using system.linq;
using system.text;
using system.threading.tasks;
using system.windows.forms;
using system.net.sockets;
using system.net;
using system.threading;
namespace tcpserver
{
public partial class form1 : form
{
public form1()
{
initializecomponent();
}
private void button1_click(object sender, eventargs e)
{
try
{
//创建一个负责监听的socket
socket socketwatch = new socket(addressfamily.internetwork, sockettype.stream, protocoltype.tcp);
//创建ip地址和端口号
//ipaddress ip = ipaddress.parse(textbox1.text);
ipaddress ip = ipaddress.any;
ipendpoint point = new ipendpoint(ip, convert.toint32(textbox2.text));
//让负责监听的socket绑定ip地址和端口号
socketwatch.bind(point);
showmsg("监听成功");
//设置监听队列（某一时刻连接客户端的最大数目）
socketwatch.listen(10);
//线程执行的方法
thread th = new thread(listen); //服务器开始监听
th.isbackground = true;
th.start(socketwatch);
}
catch
{
}
}
void showmsg(string str)
{
textbox3.appendtext(str "\r\n");
}
///
/// 等待客户端的连接 并且创建与之通信的socket
///
///
socket socketsend;
void listen(object o)
{
socket socketwatch = o as socket;
//负责监听的socket 来接收客户端的连接
//创建跟客户端通信的socket
while (true)
{
try
{
socketsend = socketwatch.accept();
showmsg(socketsend.remoteendpoint.tostring() "连接成功");
//开始一个新的线程不断接受客户端发送过来的消息
thread th = new thread(recive);
th.isbackground = true;
th.start(socketsend);
}
catch
{
}
}
}
///
/// 服务器不断接受客户端发送过来的消息
///
///
void recive(object o)
{
socket socketsend = o as socket;
while (true)
{
try
{
//客户端连接成功后，服务器应该接收客户端发来的消息
byte[] buffer = new byte[1024 * 1024 * 2];
//实际接收到的有效字节数
int bytelen = socketsend.receive(buffer);
if (bytelen == 0)
{
break;
}
string str = encoding.utf8.getstring(buffer, 0, bytelen);
showmsg(socketsend.remoteendpoint ":" str);
}
catch
{ }
}
}
private void textbox1_textchanged(object sender, eventargs e)
{
}
private void form1_load(object sender, eventargs e)
{
control.checkforillegalcrossthreadcalls = false;
}
///
/// 服务器给客户端发送消息
///
///
///
private void button3_click(object sender, eventargs e)
{
string str = textbox4.text;
byte[] buffer = system.text.encoding.utf8.getbytes(str);
socketsend.send(buffer);
}
}
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
