import tkinter
import socket, threading

win = tkinter.Tk()  # 創建主窗口
win.title('模擬服務器')
win.geometry("400x400+200+20")
users = {}#用戶字典，也可以連接數據庫


def run(ck, ca):
    userName = ck.recv(1024)#接受客戶端發送的信息以1k作為單位這里接受到的信息為byte類型
    users[userName.decode("utf-8")] = ck#解碼并儲存用戶的信息
    #print(users)
    printStr = "" + userName.decode("utf-8") + "連接\n"#在連接顯示框中顯示是否連接成功
    text.insert(tkinter.INSERT, printStr)

    while True:
        rData = ck.recv(1024)#接受客戶端發送的信息以1k作為單位這里接受到的信息為byte類型
        dataStr = rData.decode("utf-8")
        infolist = dataStr.split(":")#分割字符串從而得到所要發送的用戶名和客戶端所發送的信息
        users[infolist[0]].send((userName.decode("utf-8") + "說" + infolist[1]).encode("utf"))
        #要發送信息的客戶端向目標客戶端發送信息

def start():
    ipStr = eip.get()#從輸入端中獲取ip
    portStr = eport.get()#從輸入端中獲取端口，注意端口取得時候不能被占用（可以取8080，9876，等）
    server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)#socked所準守ipv4或ipv6，和相關協議的
    server.bind((ipStr, int(portStr)))#綁定ip和端口號！！！1:注意輸入的端口號是str型而這里的要傳入int型
    #2:bind()的參數是一個元組的形式
    server.listen(10)#設置監聽，和設置連接的最大的數量
    printStr = "服務器啟動成功\n"#，是否連接成功
    text.insert(tkinter.INSERT, printStr)#顯示在信息窗口中
    while True:#這里用死循環是因為模擬的服務器要一直運行
        ck, ca = server.accept()#接受所連接的客戶端的信息
        # 其中ca是ip和端口號組成的元組，ck有關客戶端的信息
        t = threading.Thread(target=run, args=(ck, ca))#每連接一個客戶端就開啟一個線程
        #其中Thread函數中的傳入函數的參數也是以元組的形式
        t.start()#開啟線程


def startSever():
    s = threading.Thread(target=start)#啟用一個線程開啟服務器
    s.start()#開啟線程

#下面是關于界面的操作
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="啟動", command=startSever).grid(row=2, column=0)
text = tkinter.Text(win, height=5, width=30)
labeltext = tkinter.Label(win, text='連接消息').grid(row=3, column=0)
text.grid(row=3, column=1)
win.mainloop()

import tkinter
import socket
import threading

win = tkinter.Tk()
win.title("客戶端2")
win.geometry("400x400+200+20")

ck = None#用于儲存客戶端的信息


def getInfo():
    while True:
        data = ck.recv(1024)#用于接受服務其發送的信息
        text.insert(tkinter.INSERT, data.decode("utf-8"))#顯示在信息框上


def connectServer():
    global ck
    ipStr = eip.get()
    portStr = eport.get()
    userStr = euser.get()
    client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)#socked所準守ipv4或ipv6，和相關協議的
    client.connect((ipStr, int(portStr)))#連接ip和端口號！！！1:注意輸入的端口號是str型而這里的要傳入int型
    #2:bind()的參數是一個元組的形式
    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="啟動", command=connectServer).grid(row=3, column=0)
text = tkinter.Text(win, height=5, width=30)
labeltext= tkinter.Label(win, text="顯示消息").grid(row=4, column=0)
text.grid(row=4, column=1)

esend = tkinter.Variable()
labelesend = tkinter.Label(win, text="發送的消息").grid(row=5, column=0)
entrySend = tkinter.Entry(win, textvariable=esend).grid(row=5, column=1)

efriend = tkinter.Variable()
labelefriend= tkinter.Label(win, text="發給誰").grid(row=6, column=0)
entryFriend = tkinter.Entry(win, textvariable=efriend).grid(row=6, column=1)

button2 = tkinter.Button(win, text="發送", command=sendMail).grid(row=7, column=0)
win.mainloop()