自学教程：python实现多人聊天服务器以及客户端

import tkinterimport socket, threadingwin = tkinter.Tk()  # 创建主窗口win.title('模拟服务器')win.geometry("400x400+200+20")users = {}#用户字典，也可以连接数据库def run(ck, ca):    userName = ck.recv(1024)#接受客户端发送的信息以1k作为单位这里接受到的信息为byte类型    users[userName.decode("utf-8")] = ck#解码并储存用户的信息    #print(users)    printStr = "" + userName.decode("utf-8") + "连接/n"#在连接显示框中显示是否连接成功    text.insert(tkinter.INSERT, printStr)    while True:        rData = ck.recv(1024)#接受客户端发送的信息以1k作为单位这里接受到的信息为byte类型        dataStr = rData.decode("utf-8")        infolist = dataStr.split(":")#分割字符串从而得到所要发送的用户名和客户端所发送的信息        users[infolist[0]].send((userName.decode("utf-8") + "说" + infolist[1]).encode("utf"))        #要发送信息的客户端向目标客户端发送信息def start():    ipStr = eip.get()#从输入端中获取ip    portStr = eport.get()#从输入端中获取端口，注意端口取得时候不能被占用（可以取8080，9876，等）    server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)#socked所准守ipv4或ipv6，和相关协议的    server.bind((ipStr, int(portStr)))#绑定ip和端口号！！！1:注意输入的端口号是str型而这里的要传入int型    #2:bind()的参数是一个元组的形式    server.listen(10)#设置监听，和设置连接的最大的数量    printStr = "服务器启动成功/n"#，是否连接成功    text.insert(tkinter.INSERT, printStr)#显示在信息窗口中    while True:#这里用死循环是因为模拟的服务器要一直运行        ck, ca = server.accept()#接受所连接的客户端的信息        # 其中ca是ip和端口号组成的元组，ck有关客户端的信息        t = threading.Thread(target=run, args=(ck, ca))#每连接一个客户端就开启一个线程        #其中Thread函数中的传入函数的参数也是以元组的形式        t.start()#开启线程def startSever():    s = threading.Thread(target=start)#启用一个线程开启服务器    s.start()#开启线程#下面是关于界面的操作labelIp = tkinter.Label(win, text='ip').grid(row=0, column=0)labelPort = tkinter.Label(win, text='port').grid(row=1, column=0)eip = tkinter.Variable()eport = tkinter.Variable()entryIp = tkinter.Entry(win, textvariable=eip).grid(row=0, column=1)entryPort = tkinter.Entry(win, textvariable=eport).grid(row=1, column=1)button = tkinter.Button(win, text="启动", command=startSever).grid(row=2, column=0)text = tkinter.Text(win, height=5, width=30)labeltext = tkinter.Label(win, text='连接消息').grid(row=3, column=0)text.grid(row=3, column=1)win.mainloop()

import tkinterimport socketimport threadingwin = tkinter.Tk()win.title("客户端2")win.geometry("400x400+200+20")ck = None#用于储存客户端的信息def getInfo():    while True:        data = ck.recv(1024)#用于接受服务其发送的信息        text.insert(tkinter.INSERT, data.decode("utf-8"))#显示在信息框上def connectServer():    global ck    ipStr = eip.get()    portStr = eport.get()    userStr = euser.get()    client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)#socked所准守ipv4或ipv6，和相关协议的    client.connect((ipStr, int(portStr)))#连接ip和端口号！！！1:注意输入的端口号是str型而这里的要传入int型    #2:bind()的参数是一个元组的形式    client.send(userStr.encode("utf-8"))    ck = client    t = threading.Thread(target=getInfo)    t.start()def sendMail():    friend = efriend.get()    sendStr = esend.get()    sendStr = friend + ":" + sendStr    ck.send(sendStr.encode("utf-8"))#下面是界面labelUse = tkinter.Label(win, text="userName").grid(row=0, column=0)euser = tkinter.Variable()entryUser = tkinter.Entry(win, textvariable=euser).grid(row=0, column=1)labelIp = tkinter.Label(win, text="ip").grid(row=1, column=0)eip = tkinter.Variable()entryIp = tkinter.Entry(win, textvariable=eip).grid(row=1, column=1)labelPort = tkinter.Label(win, text="port").grid(row=2, column=0)eport = tkinter.Variable()entryPort = tkinter.Entry(win, textvariable=eport).grid(row=2, column=1)button = tkinter.Button(win, text="启动", command=connectServer).grid(row=3, column=0)text = tkinter.Text(win, height=5, width=30)labeltext= tkinter.Label(win, text="显示消息").grid(row=4, column=0)text.grid(row=4, column=1)esend = tkinter.Variable()labelesend = tkinter.Label(win, text="发送的消息").grid(row=5, column=0)entrySend = tkinter.Entry(win, textvariable=esend).grid(row=5, column=1)efriend = tkinter.Variable()labelefriend= tkinter.Label(win, text="发给谁").grid(row=6, column=0)entryFriend = tkinter.Entry(win, textvariable=efriend).grid(row=6, column=1)button2 = tkinter.Button(win, text="发送", command=sendMail).grid(row=7, column=0)win.mainloop()