Python GUI库Tkiner使用方法代码示例

#!/usr/bin/python
# -*- coding: utf-8 -*-
# author:Huny

import tkinter as tk
import tkinter.messagebox
#实例对象
window = tk.Tk()
#标题
window.title('Huny之家')
window.geometry('500x300')
#加载图片
canvas = tk.Canvas(window,width=400,height=135,bg='green')#创建画布
image_file = tk.PhotoImage(file='pic.gif')#添加图片的路径
image = canvas.create_image(200,0,anchor='n',image=image_file)#创建图片并声明大小和位置以及图片的路径
canvas.pack(side='top')
tk.Label(window,text='Wellcome',font=('Arial',16)).pack()#声明一个小部件并放在父部件window中
#名称
tk.Label(window,text='用户名').place(x=50,y=165)
tk.Label(window,text='密码').place(x=50,y=200)
#文本和密码输入框、登录按钮
var_usr_name = tk.StringVar()#记录输入值的变量
var_usr_name.set('huny')#设置默认用户名
e1 =tk.Entry(window, textvariable=var_usr_name,font=('Arial',14))#定义一个文本框和字体，接受文本框中的值
var_usr_pwd = tk.StringVar()
e2 =tk.Entry(window, textvariable=var_usr_pwd,font=('Arial',14))
e1.pack()#将小部件组织成块，然后再将其放置在主小部件中
e2.pack()
#登录弹窗提示功能
def login():
  usr_name = var_usr_name.get()
  usr_pwd = var_usr_pwd.get()
  user_info = {'huny':'123456'}
  if usr_name in user_info:
    if usr_pwd == '123456':
      tkinter.messagebox.showinfo(title='欢迎来到Huny之家',message='登录成功！')#正确的弹窗提示
    else:
      tkinter.messagebox.showerror(title='提醒',message='密码错误！')#错误的弹窗提示
  else:
    tkinter.messagebox.showerror(title='提醒',message='用户名错误')#错误的弹窗提示
e3 = tk.Button(window,text="登录",width=10,height=2,command=login)#声明一个按钮部件
e3.pack()
window.mainloop()#循环执行可以理解为保持窗口运行，否则界面不展示

#!/usr/bin/ python
# -*- coding: utf-8 -*-
import urllib.request
import urllib.parse
import json
from tkinter import *
import hashlib
import time

LOG_LINE_NUM = 0

class MY_GUI():
  def __init__(self,init_window_name):
    self.init_window_name = init_window_name


  #设置窗口
  def set_init_window(self):
    self.init_window_name.title("翻译工具")      #窗口名
    # self.init_window_name.geometry('320x160+10+10')             #290 160为窗口大小，+10 +10 定义窗口弹出时的默认展示位置
    self.init_window_name.geometry('1080x581+10+10')
    self.init_window_name["bg"] = "green"                  #窗口背景色，其他背景色见：blog.csdn.net/chl0000/article/details/7657887
    # self.init_window_name.attributes("-alpha",0.9)             #虚化，值越小虚化程度越高
    #标签
    self.init_data_label = Label(self.init_window_name, text="待处理数据")
    self.init_data_label.grid(row=0, column=4)
    self.result_data_label = Label(self.init_window_name, text="输出结果")
    self.result_data_label.grid(row=0, column=16)
    self.log_label = Label(self.init_window_name, text="日志")
    self.log_label.grid(row=12, column=4)
    #文本框
    self.init_data_Text = Text(self.init_window_name, width=67, height=25) #原始数据录入框
    self.init_data_Text.grid(row=1, column=0, rowspan=10, columnspan=10)
    self.result_data_Text = Text(self.init_window_name, width=70, height=39) #处理结果展示
    self.result_data_Text.grid(row=1, column=12, rowspan=15, columnspan=10)
    self.log_data_Text = Text(self.init_window_name, width=66, height=12) # 日志框
    self.log_data_Text.grid(row=13, column=0, columnspan=10)
    #按钮
    self.str_trans_to_md5_button = Button(self.init_window_name, text="一键翻译", bg="lightblue", width=8,command=self.translate) # 调用内部方法 加()为直接调用
    self.str_trans_to_md5_button.grid(row=5, column=11)


  #功能函数
  def translate(self):    
    centens = self.init_data_Text.get(1.0,END).strip().replace("\n","")
    if centens:
      try:
        url = 'http://fanyi.youdao.com/translate?smartresult=dict&smartresult=rule'
        data = {}
        data['i'] = centens
        data['from'] = 'AUTO'
        data['to'] = 'AUTO'
        data['smartresult'] = 'dict'
        data['client'] = 'fanyideskweb'
        data['salt'] = '16057996372935'
        data['sign'] = '0965172abb459f8c7a791df4184bf51c'
        data['lts'] = '1605799637293'
        data['bv'] = 'f7d97c24a497388db1420108e6c3537b'
        data['doctype'] = 'json'
        data['version'] = '2.1'
        data['keyfrom'] = 'fanyi.web'
        data['action'] = 'FY_BY_REALTlME'
        data = urllib.parse.urlencode(data).encode('utf-8')
        response = urllib.request.urlopen(url,data)
        html = response.read().decode('utf-8')
        req = json.loads(html)
        result = req['translateResult'][0][0]['tgt']
        self.result_data_Text.delete(1.0,END)
        self.result_data_Text.insert(1.0,result)
        self.write_log_to_Text("INFO:str_trans_ success")
      except:
        self.result_data_Text.delete(1.0,END)
        self.result_data_Text.insert(1.0,"操作错误")
    else:
      self.write_log_to_Text("ERROR:str_trans_ failed")
          
  #获取当前时间
  def get_current_time(self):
    current_time = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))
    return current_time

  #日志动态打印
  def write_log_to_Text(self,logmsg):
    global LOG_LINE_NUM
    current_time = self.get_current_time()
    logmsg_in = str(current_time) +" " + str(logmsg) + "\n"   #换行
    if LOG_LINE_NUM <= 7:
      self.log_data_Text.insert(END, logmsg_in)
      LOG_LINE_NUM = LOG_LINE_NUM + 1
    else:
      self.log_data_Text.delete(1.0,2.0)
      self.log_data_Text.insert(END, logmsg_in)

def gui_start():
  init_window = Tk()       #实例化出一个父窗口
  ZMJ_PORTAL = MY_GUI(init_window)
  # 设置根窗口默认属性
  ZMJ_PORTAL.set_init_window()
  init_window.mainloop()     #父窗口进入事件循环，可以理解为保持窗口运行，否则界面不展示
gui_start()