C # socket Entry 1

1. ServerProgram

1 Using System;
2 Using System. Collections. Generic;
3 Using System. text;
4 Using System. net. Sockets;
5 Using System. net;
6
7 Namespace Leleapplication1
8 {
9 Class Program
10 {
11 Static   Void Main ( String [] ARGs)
12 {
13 // 1. Create a set of characters
14 Socket slisten =   New Socket (addressfamily. InterNetwork, sockettype. Stream, protocoltype. TCP );
15
16 // 2. Fill in the IP address
17 IPaddress IP = IPaddress. parse ( " 127.0.0.1 " );
18 Ipendpoint IPE =   New Ipendpoint (IP, 4321 );
19
20 // 3. Bind
21 Slisten. BIND (IPE );
22
23 // 4. Listening
24 Slisten. Listen ( 2 );
25
26 // 5. Receive customer connection requests cyclically
27 While ( True )
28 {
29 Socket clientsocket;
30 Try
31 {
32 Clientsocket = Slisten. Accept ();
33 }
34 Catch
35 {
36 Throw ;
37 }
38 // Send data to the client
39 Clientsocket. Send (encoding. Unicode. getbytes ( " Hello !!!! " ));
40 }
41 }
42
43 }
44 }
45

Complete, server,

2. Check the client now.

1 Using System;
2 Using System. Collections. Generic;
3 Using System. text;
4 Using System. net. Sockets;
5 Using System. net;
6
7 Namespace Leleapplication2
8 {
9 Class Program
10 {
11 Static   Void Main ( String [] ARGs)
12 {
13 // 1. Create a set of characters
14 Socket s =   New Socket (addressfamily. InterNetwork, sockettype. Stream, protocoltype. TCP );
15
16 // 2. Enter the remote IP address.
17 IPaddress IP = IPaddress. parse ( " 127.0.0.1 " );
18 Ipendpoint IPE =   New Ipendpoint (IP, 4321 );
19
20 //3. Connect to the server 21 Console. writeline ("Start connecting to the server ....");
22 S. Connect (IPE );
23
24 // 4. receive data
25 Byte [] Buffer =   New   Byte [ 1024 ];
26 S. Receive (buffer, buffer. length, socketflags. None );
27 VaR msg = Encoding. Unicode. getstring (buffer );
28 Console. writeline ( " Receive message: {0} " , MSG );
29
30 Console. readkey ();
31 }
32 }
33 }

Okay. Check the effect ~~

Simple ~~