简单socketclient和server编写

socket连接原理图

socket server端

#-*- coding:utf-8-*-
import socket
 
ip_port=('127.0.0.1',9999) #客户端IP地址，想连接的端口号

ss = socket.socket()
ss.bind(ip_port)
ss.listen()


while True
    print("waiting connextion")
    conn,addr = ss.accept()
    client.data = conn.recv(1024)
    
     
    print(client_data)
    conn.sendall('hello world‘）
    conn.close()

socketclient端

import socket
client = socket.socket()


client.connect(('127.0.0.1',9999))

while True:
    cmd = input(">>:").strip()
    if len(cmd) == 0: continue
    client.send(cmd.encode("utf-8"))
    cmd_res_size = client.recv(1024) ##接受命令结果的长度
    print("命令结果大小:",cmd_res_size)
    received_size = 0
    received_data = b''
    while received_size < int(cmd_res_size.decode()) :
        data = client.recv(1024)
        received_size += len(data) #每次收到的有可能小于1024，所以必须用len判断，避免粘包
        #print(data.decode())
        received_data += data
    else:
        print("cmd res receive done...",received_size)
        print(received_data.decode())


client.close()