------------------------- socket-UDP(BIO) | ------------------------- import socket # 创建socket实例,type=socket.SOCK_DGRAM client = socket.socket(type=socket.SOCK_DGRAM) # 发送UDP包到指定的地址 client.sendto(b'Hello,Python',('localhost',1024)) import socket # 创建socket实例,type=socket.SOCK_DGRAM server = socket.socket(type=socket.SOCK_DGRAM) # 绑定本机地址 & 监听端口 server.bind(('localhost',1024)) # 准备接收包 while True: # 收到数据包 client = server.recvfrom(64) print(client[0]) # 数据包 print(client[1]) # 客户端IP & 端口 ------------------------- socket-TCP(BIO) | ------------------------- import socket # 创建socket实例.默认地址簇与协议:family=AF_INET type=SOCK_STREAM client = socket.socket(family=AF_INET,type=SOCK_STREAM) # 设置连接信息 client.connect(('localhost',1024)) # 发送消息到目标服务器 client.send("Hello Python".encode(encoding='utf_8', errors='strict')) #client.sendall("Hello Python".encode(encoding='utf_8', errors='strict')) # 读取目标服务器响应的数据 response = client.recv(99999).decode(encoding='utf_8', errors='strict') print(response) import socket # 创建socket实例 server = socket.socket(family=AF_INET,type=SOCK_STREAM) # 绑定本机地址 & 监听端口 server.bind(('localhost',1024)) # 最大连5,超过5就排队 server.listen(5) while True: # 新的客户端连接 client = server.accept() # 读取客户端数据 request = client[0].recv(1024) # 响应客户端数据 client[0].send("你好客户端".encode(encoding='utf_8', errors='strict')) print(request)