python_socket登陆验证

client.py

import socket

import struct

sk=socket.socket()

sk.connect(('127.0.0.1',9005))

while True:

    username=input("请输入用户名： ")

    password=input("请输入密码： ")

    blen=struct.pack("i",len(username.encode('utf-8')))

    sk.send(blen)

    sk.send(username.encode('utf-8'))

    sk.send(password.encode('utf-8'))

    if 'Q' in [username.upper(),password.upper()]:  # 先 send 再判断，客户端主动发起断开

        break

    else:

        answer=sk.recv(1024).decode("utf-8")

        if bool(answer=='True'):  # 从字符串的'True'转为 布尔类型的True

            print("验证通过")

        else:

            print("用户名或密码错误")

sk.close()

server.py

import struct

import socket

sk=socket.socket()

sk.bind(("127.0.0.1",9005))

sk.listen()

while True:

    conn,_ = sk.accept()

    while True:

        blen=struct.unpack('i',conn.recv(4))[0]

        username=conn.recv(blen).decode('utf-8')

        password=conn.recv(1024).decode('utf-8')

        print(username,password)

        if 'Q' in [username.upper(),password.upper()]:

            break

        else:

            with open("userinfo", 'r') as f:

                for line in f.readlines():

                    if username==line.strip().split("|")[0] and password==line.strip().split("|")[1]:

                        conn.send('True'.encode('utf-8'))

                        break

                else:

                    conn.send('False'.encode('utf-8'))

    conn.close()

    print("断开与当前客户端的连接，等待其他客户端的连接")

sk.close()

巴特西

python_socket登陆验证_明文

client.py

server.py

最新文章

热门文章