多个客户端写3个

# 基于tcp并发多线程的客户端,多个客户端都是一样的测试
import socket
phone=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
phone.connect(("127.0.0.1",8080))
while True:
x=input("客户端:").strip()
if not x:continue
phone.send(x.encode("utf8"))
data=phone.recv(1024)
print("服务端",data.decode("utf8"))
phone.close()
client1
一个服务端
# 基于tcp并发多线程的服务端
import socketserver
# 必须继承socketserver.BaseRequestHandler为父类
class FTPserver(socketserver.BaseRequestHandler):
# 必须有handle函数
def handle(self):
print("====>",self)
#====> <__main__.FTPserver object at 0x10d8d32b0>
#本类FTPserver对象
print(self.request)
#<socket.socket fd=4, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=0,
#laddr=('127.0.0.1', 8080),raddr=('127.0.0.1', 49393)>
# self.request就是conn,addr=phone.accept()的conn,即socket对象
while True:
data=self.request.recv(1024)
print(data)
self.request.send(data.upper())
if __name__ == '__main__':
obj=socketserver.ThreadingTCPServer(('127.0.0.1',8080),FTPserver)
obj.serve_forever() #链接循环
# 分清楚类对象和套接字对象self/self.request