先看服务端的代码

import sys# import socketimport timeimport geventfrom gevent import socketfrom gevent import monkeymonkey.patch_all()#类似于python中的黑魔法，把很多模块的阻塞的变成非阻塞的，比如socket中的rece和send都变# 为不阻塞了 def server(port): s = socket.socket() s.bind(("127.0.0.1",port)) s.listen(2000) while True: cli,add = s.accept() gevent.spawn(handle_request,cli) #通过gevent的启动一个协程，把客户端的socket对象传进去def handle_request(s): try: while True: data = s.recv(1024) print("收到的信息:",str(data,encoding="utf-8")) s.send(data) if not data: s.shutdown(socket.SHUT_WR) #把和客户端这个链接销毁 except Exception as ex: print(ex) finally: s.close() if __name__ == '__main__': server(8000)

在看客户端的代码，分别使用多线程和多进程实现

import socketimport geventimport threadingimport multiprocessing'''ip_bind = ("127.0.0.1",8000)c = socket.socket()c.connect(ip_bind)while True: data = input("客户端:") c.send(bytes(data,encoding="utf-8")) data = c.recv(1024) print("服务端:",str(data,encoding="utf-8")) c.close()'''import socketimport geventip_bind = ("127.0.0.1",8000)c = socket.socket()c.connect(ip_bind)def f(n): while True: # c.send(bytes(n,encoding="utf-8")) data = str(n) c.send(bytes(data,encoding="utf-8")) data = c.recv(1024) print("server:",str(data,encoding="utf-8")) c.close()x = []if __name__ == '__main__': l = [] """ 多线程实现并发客户端 for i in range(500): t = threading.Thread(target=f,args=[str(i),]) t.start() l.append(t) for t in l: t.join() """ # 多进程实现并发客户端 for i in range(100): p = multiprocessing.Process(target=f,args=[i,]) p.start() l.append(p) for p in l: p.join()

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