Python生成个性签名图片获取GUI过程解析

import tkinter as tk
from tkinter import messagebox
import requests
import re
from PIL import Image,ImageTk


def design():
  name=et.get()
 # print(name)
  name=name.strip()
  if name == '':
    messagebox.showinfo('提示',message='请输入姓名')
  else:
    #获取签名图片
    data={
      'word': name,
      'sizes': 60,
      'fonts': 'haku.ttf',   # jfcs.ttf个性签 zql.ttf 商务签  qmt.ttf连笔签  bzcs.ttf潇洒签  lfc.ttf草体签  haku.ttf合同签   yqk.ttf可爱签
      'fontcolor': '# 000000'
    }
    url='http://www.uustv.com/'

    result=requests.post(url,data)
    # print(result) Response [200]

    #设置编码
    result.encoding='utf-8'
    html=result.text
    #print(html) 网页源代码 b

    #正则表达式
    reg=r'<div class="tu"><img src="(.*?)"/></div>'
    imgpath=re.findall(reg,html)
    imgurl=url+imgpath[0]
    # print(imgurl)

    #保存图片
    response=requests.get(imgurl).content
    with open('{}.gif'.format(name),'wb')as f:
      f.write(response)

    #显示图片
    bm=ImageTk.PhotoImage(file='{}.gif'.format(name))

    label2=tk.Label(window,image=bm)
    label2.bm=bm
    label2.grid(row=2,columnspan=2)

#设置窗口
window=tk.Tk()
window.geometry('600x300+200+200')
window.title('签名设计')
#设置控件
label=tk.Label(window,text='姓名:',font=('宋体',20),fg='red')
label.grid()

et=tk.Entry(window,font=('宋体',20))
et.grid(row=0,column=1)

bt=tk.Button(window,text='设计签名',font=('宋体',15),width=10,height=2,command=design)
bt.grid(row=1,column=1)

window.mainloop()