二维码生成器（只支持文本）

这个软件是基于python的requests模块写的，主要原理是通过一个第三方网站生成二维码然后下载到本地

初学python，有写的不好的地方请大家多多指教！

链接: https://pan.baidu.com/s/1SlUoZeX0iFJRjdn07VnC-A 提取码: 3ft9

import requests
import tkinter as tk
import tkinter.messagebox

#生成一个窗口
window = tk.Tk()
window.title('LH二维码生成器')
window.geometry('300x200')

#生成标签
l_content=tk.Label(window,text='请输入文本：',
           font=('Arial',12),width=15,height=2)
l_content.pack()
#生成输入框
e_content = tk.Entry(window)
e_content.pack()

#生成标签
l_size=tk.Label(window,text='请输入尺寸（1-10）：',

           font=('Arial',12),width=20,height=2)
l_size.pack()
#生成输入框
e_size = tk.Entry(window)
e_size.pack()

#定义headers
headers = {"User-Agent":
           "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.25 Safari/537.36 Core/1.70.3741.400 QQBrowser/10.5.3863.400"}

content = ''
size=''

#定义data
data = {}
data['error']='3'
data['size']=size
data['txtarea']=content

#定义访问的网址
post_url = "http://tool.chinaz.com/qrcode"

#生成图片链接的函数
def check_jpg_url(post_url,data,headers):
    response = requests.post(post_url,data=data,headers=headers)
    response = response.content.decode('utf-8')
    a = response.find('img src='/template/')
    b = response.find('.jpg',a,a+255)
    url_str = response[a+9:b+4]
    jpg_url = 'http://tool.chinaz.com/' + url_str

    return jpg_url

#保存图片的函数
def save_jpg(jpg_url):
    jpg_name = '二维码.jpg'
    with open(jpg_name,'wb') as f:
        img = requests.get(jpg_url)
        f.write(img.content)

#设置二维码内容的函数
def set_content(data):
    content = e_content.get()
    data['txtarea']=content

#设置二维码尺寸的函数
def set_size(data):
    size = e_size.get()
    data['size']=size

#主函数   
def main():
    set_content(data)
    set_size(data)
    jpg_url = check_jpg_url(post_url,data,headers)
    save_jpg(jpg_url)
    tkinter.messagebox.showinfo('提示','生成成功！')

#创建‘生成’按钮
b = tk.Button(window,text='生成',width=15,height=2,
               command=main)
b.pack()

window.mainloop()