socket网络编程

https://www.cnblogs.com/yuanchenqi/articles/5692716.html

#################server
import socket
ip_port=('127.0.0.1',9997)
sk=socket.socket()
sk.bind(ip_port)
sk.listen(5)

print('server waiting...')

coon,addr=sk.accept()
client_data=coon.recv(1024)
print(str(client_data,'utf8'))
coon.sendall(bytes('滚蛋',encoding='utf-8'))

sk.close()



################client
import socket
ip_port=('127.0.0.1',9997)

sk=socket.socket()
sk.connect(ip_port)

sk.sendall(bytes('俺喜欢你',encoding='utf8'))

server_reply=sk.recv(1024)
print(str(server_reply,'utf8'))

import socket
ip_port=('127.0.0.1',8888)
sk=socket.socket()
sk.bind(ip_port)
sk.listen(2)
print('服务端启动...')
conn,address=sk.accept()
while True:
    client_data=conn.recv(1024)
    if str(client_data,'utf8')=='exit':
        break
    print(str(client_data,'utf8'))
    server_response=input('>>>')
    conn.sendall(bytes(server_response,'utf8'))
conn.close()


import socket
ip_port=('127.0.0.1',8888)
sk=socket.socket()
sk.connect(ip_port)
print('客户端启动：')

while True:
    inp=input('>>>')
    sk.sendall(bytes(inp,'utf8'))
    if inp=='exit':
        break
    server_response=sk.recv(1024)
    print(str(server_response,'utf8'))
sk.close()

import socket
ip_port=('127.0.0.1',8870)
sk=socket.socket()
sk.bind(ip_port)
sk.listen(2)
print('服务端启动')

while True:
    conn,address=sk.accept()
    print(address)
    while True:
        try:
            client_data=conn.recv(1024)
        except:
            print('意外中断')
            break
        print(str(client_data,'utf8'))
        server_response=input('>>>')
        conn.sendall(bytes(server_response,'utf8'))
    conn.close()


import socket
ip_port=('127.0.0.1',8870)
sk=socket.socket()
sk.connect(ip_port)
print('客户端启动')

while True:
    inp=input('>>>')
    if inp=='exit':
        break
    sk.sendall(bytes(inp,'utf8'))
    server_response=sk.recv(1024)
sk.close()

# 简单并发实例
import socketserver

class MyServer(socketserver.BaseRequestHandler):

    def handle(self):
        print ("服务端启动...")
        while True:
            conn = self.request
            print (self.client_address)
            while True:
                client_data=conn.recv(1024)
                print (str(client_data,"utf8"))
                print ("waiting...")
                conn.sendall(client_data)
            conn.close()

if __name__ == '__main__':
    server = socketserver.ThreadingTCPServer(('127.0.0.1',8091),MyServer)
    server.serve_forever()


import socket

ip_port = ('127.0.0.1',8091)
sk = socket.socket()
sk.connect(ip_port)
print ("客户端启动：")
while True:
    inp = input('>>>')
    sk.sendall(bytes(inp,"utf8"))
    if inp == 'exit':
        break
    server_response=sk.recv(1024)
    print (str(server_response,"utf8"))
sk.close()

# 聊天并发实例
import socketserver
class MyServer(socketserver.BaseRequestHandler):
    def handle(self):
        print('服务端启动...')
        while True:
            conn=self.request
            print(self.client_address)
            while True:
                client_data=conn.recv(1024)
                print(str(client_data,'utf8'))
                print('waiting...')
                server_response=input('>>>')
                conn.sendall(bytes(server_response,'utf8'))
            conn.close()
if __name__=='__main__':
    server=socketserver.ThreadingTCPServer(('127.0.0.1',8098),MyServer)
    server.serve_forever()


import socket
ip_port=('127.0.0.1',8098)
sk=socket.socket()
sk.connect(ip_port)
print('客户端启动')
while True:
    inp=input('>>>')
    sk.sendall(bytes(inp,'utf8'))
    server_response=sk.recv(1024)
    print(str(server_response,'utf8'))
    if inp=='exit':
        break
sk.close()