python图形用户接口实例

Myth丶恋晨 2022-05-20 00:42 153阅读 0赞

# 利用tk库编写图形用户界面 #

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# 小栗子：用户用户接口示例 #

#coding=gbk
    from tkinter import *
    import time
     
    def main():
     
      def sendMsg():#发送消息
        strMsg = '我:' + time.strftime("%Y-%m-%d %H:%M:%S",
                                      time.localtime()) + '\n '
        txtMsgList.insert(END, strMsg, 'greencolor')
        txtMsgList.insert(END, txtMsg.get('0.0', END))
        txtMsg.delete('0.0', END)
         
      def cancelMsg():#取消消息
        txtMsg.delete('0.0', END)
     
      def sendMsgEvent(event): #发送消息事件
        if event.keysym == "Up":
          sendMsg()
     
      #创建窗口 
      t = Tk()
      t.title('与python聊天中')
           
      #创建frame容器
      frmLT = Frame(width=500, height=320, bg='white')
      frmLC = Frame(width=500, height=150, bg='white')
      frmLB = Frame(width=500, height=30)
      frmRT = Frame(width=200, height=500)
       
      #创建控件
      txtMsgList = Text(frmLT)
      txtMsgList.tag_config('greencolor', foreground='#008C00')#创建tag
      txtMsg = Text(frmLC);
      txtMsg.bind("<KeyPress-Up>", sendMsgEvent)
      btnSend = Button(frmLB, text='发 送', width = 8, command=sendMsg)
      btnCancel = Button(frmLB, text='取消', width = 8, command=cancelMsg)
      imgInfo = PhotoImage(file = "python.gif")
      lblImage = Label(frmRT, image = imgInfo)
      lblImage.image = imgInfo
     
      #窗口布局
      frmLT.grid(row=0, column=0, columnspan=2, padx=1, pady=3)
      frmLC.grid(row=1, column=0, columnspan=2, padx=1, pady=3)
      frmLB.grid(row=2, column=0, columnspan=2)
      frmRT.grid(row=0, column=2, rowspan=3, padx=2, pady=3)
      #固定大小
      frmLT.grid_propagate(0)
      frmLC.grid_propagate(0)
      frmLB.grid_propagate(0)
      frmRT.grid_propagate(0)
       
      btnSend.grid(row=2, column=0)
      btnCancel.grid(row=2, column=1)
      lblImage.grid()
      txtMsgList.grid()
      txtMsg.grid()
     
      #主事件循环
      t.mainloop()
    
    main()

![70 3][]

[70]: /images/20220520/dacca58b9ff04a45ad5cba67d95db945.png
[70 1]: /images/20220520/c5925f6b9cac4f01bb2f0e280c7257dc.png
[70 2]: /images/20220520/29bd90c8164d432f90157af4c0338c2d.png
[70 3]: /images/20220520/b6f675703e2f4bbc9f86293a20180a1e.png