python3.7.3 socket TCP 聊天软件

import tkinter as tk #导入窗体模块 import tkinter.filedialog #导入文件模块 import tkinter.messagebox #导入消息模块 import os #导入系统模块 from PIL import Image,ImageTk #导入图形模块 pip install pillow import socket #导入通信模块 import threading #导入多线程模块 import time as timemodule #导入时间模块 import datetime #导入日期时间模块 import hashlib #文件名加密模块 import json #导入json模块 import struct #导入结构体模块 username = '' #用户名 password = '' #密码 serverAddr = None #连接地址 messageQueue = [] #消息列表 friendList = {} #通讯录列表 client = None #服务器连接对象 loginresult = '' #登陆返回值 Finduserresult = '' #查找用户返回结果 ip_port = ['gtol.f3322.org',9987] #默认服务器信息 serveropen = False #服务器连接标志 Fusername = '' #对话中的用户名 Fnickname = '' #对话中的用户名备注 #连接服务器 def serverlink(serverAddr): global serveropen global client try: # 定义socket类型，网络通信，UDP [socket.AF_INET 服务器之间网络通信] [socket.SOCK_DGRAM 数据报式socket , for UDP] client = socket.socket(socket.AF_INET, socket.SOCK_STREAM) client.connect(serverAddr) #连接服务器 jsThread = threading.Thread(target = jies, args=()) # TCL数据接收线程 jsThread.setDaemon(True) jsThread.start() serveropen = True return True except: print('服务器连接失败!') tk.messagebox.showwarning(title="警告", message="服务器连接失败！") return False #登陆类 class LoginWindow(tk.Tk): ''' 登录窗口 ''' #定义数据成员 serverIPEntry = None #服务器IP serverPortEntry = None #服务器端口 usernameEntry = None #用户名 passwordEntry = None #密码 #初始化实例变量 def __init__(self): tk.Tk.__init__(self) #实例化对象 self.serverIPEntry = tk.StringVar() self.serverPortEntry = tk.StringVar() self.usernameEntry = tk.StringVar() self.passwordEntry = tk.StringVar() self.title("IM(TCP) 登录") #窗体标题 self.setUI() #绘制登陆框 self.resizable(width=False, height=False) # 设置窗口宽高不可变. width = 315 #设定窗口大小并居中在屏幕 height = 190 screenwidth = self.winfo_screenwidth() #获取屏幕尺寸以计算布局参数，使窗口居屏幕中央 screenheight = self.winfo_screenheight() alignstr = '%dx%d+%d+%d' % (width, height, (screenwidth - width) / 2, (screenheight - height) / 2) self.geometry(alignstr) #窗体大小 self.mainloop() #显示窗体 #登陆界面 def setUI(self): label1 = tk.Label(self, text = "服务器地址", font = ('Black', 13)) label1.place(x = 20, y = 10, width = 100, height = 25, anchor = tk.NW) entry1 = tk.Entry(self, font = ('Black', 10), textvariable = self.serverIPEntry) entry1.place(x = 130,y = 10, width = 150, height = 25, anchor =tk.NW) self.serverIPEntry.set(ip_port[0]) label2 = tk.Label(self, text = "服务器端口", font = ('Black', 13)) label2.place(x = 20, y = 40, width = 100, height = 25, anchor = tk.NW) entry2 = tk.Entry(self, font = ('Black', 10), textvariable = self.serverPortEntry) entry2.place(x = 130,y = 40, width = 150, height = 25, anchor =tk.NW) self.serverPortEntry.set(ip_port[1]) label3 = tk.Label(self, text = "用户名", font = ('Black', 13)) label3.place(x = 20, y = 70, width = 100, height = 25, anchor = tk.NW) entry1 = tk.Entry(self, font = ('Black', 10), textvariable = self.usernameEntry) entry1.place(x = 130,y = 70, width = 150, height = 25, anchor =tk.NW) #self.usernameEntry.set('') label4 = tk.Label(self, text = "密码", font = ('Black', 13)) label4.place(x = 20, y = 100, width = 100, height = 25, anchor = tk.NW) entry1 = tk.Entry(self, font = ('Black', 10), textvariable = self.passwordEntry, show = "*") entry1.place(x = 130,y = 100, width = 150, height = 25, anchor =tk.NW) #self.passwordEntry.set('') button1 = tk.Button(self, text = "默认服务器", font = ('Black', 12), command = self.defaultServer) button1.place(x = 20, y = 140, width = 100, height = 35, anchor =tk.NW) button2 = tk.Button(self, text = "登录", font = ('Black', 12), command = self.login) button2.place(x = 160, y = 140, width = 50, height = 35, anchor =tk.NW) button3 = tk.Button(self, text = "注册", font = ('Black', 12), command = self.register) button3.place(x = 230, y = 140, width = 50, height = 35, anchor =tk.NW) # 默认服务器信息 def defaultServer(self): self.serverIPEntry.set(ip_port[0]) self.serverPortEntry.set(ip_port[1]) #登陆过程 def login(self): global username global password global serverAddr username = self.usernameEntry.get() #得到输入用户名 password = self.passwordEntry.get() #得到输入密码 #判断用户名和密码是否为空 if username == "" or password == "": tk.messagebox.showwarning(title = "警告", message = "用户名与密码不能为空！") return #判断服务器IP和端口是否为空 if self.serverIPEntry.get() == "" or self.serverPortEntry.get() == "": tk.messagebox.showwarning(title = "警告", message = "服务器地址与端口不能为空！") return #组合服务器连接信息 serverAddr = (self.serverIPEntry.get(), int(self.serverPortEntry.get())) if not serveropen: YN = serverlink(serverAddr) # 连接服务器 if not YN: return #组合登陆信息 user = str((username, None, password, "login")) user = user.encode()#把接收和 bytes 转换成 str print('发送登陆请求',user) fas(user)#发送数据,请求登陆 global loginresult while loginresult == '': timemodule.sleep(1) if loginresult == 'yes': print ('登陆成功!') self.destroy() # 销毁登陆窗口 else: print('登陆失败!') tk.messagebox.showwarning(title="警告", message="用户名或密码错误！") loginresult = '' #清空登陆结果 #注册过程 def register(self): global serverAddr #如果服务器地址为空 或 端口为空 if self.serverIPEntry.get() == "" or self.serverPortEntry.get() == "": tk.messagebox.showwarning(title = "警告", message = "服务器地址与端口不能为空！") return #获取服务器地址和端口 serverAddr = (self.serverIPEntry.get(), int(self.serverPortEntry.get())) if not serveropen:serverlink(serverAddr) #连接服务器 username = self.usernameEntry.get() #获取用户名 password = self.passwordEntry.get() #获取密码 #检查用户名密码是否为空 if username == "" or password == "": tk.messagebox.showwarning(title = "警告", message = "用户名与密码不能为空！") return #检查用户名和密码是否包�