socket服务端

import socket

# 创建 socket 对象
serversocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
port = 9999
# 绑定端口号
serversocket.bind(('192.168.1.138',  port))
# 设置最大连接数，超过后排队
serversocket.listen(5)
print('starting...')
conn, addr = serversocket.accept()
# print(f"连接地址: {addr}")
conn.send(b'Welcome!flag\n')
conn.send(b'Please input password:')
#print(type(addr)) #addr元组类型
while True:
    try:
        # 建立客户端连接
        client_msg = conn.recv(1024) #收消息
        if client_msg.decode('utf8').strip('\n') == 'admin':
            conn.send(b'password success!')
            # break
        else:
            conn.send(b'err!\nPlease input password:')
    except:
        pass
# conn.close()