Python3使用tkinter编写GUI程序

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目录

    程序非常简单,暂时只支持GET方法,使用内置库tkinter编写GUI窗口,在Mac下运行效果图如下,windows运行需要更改控件宽度高度等控制参数才能很好的显示。

    效果图(使用XPATH匹配房天下网站)
    在这里插入图片描述
    在这里插入图片描述

    代码如下,需要安装requests和lxml第三方库

    app.py.

    import tkinter as tk
    from tkinter import scrolledtext
    from tkinter import messagebox
    import re
    import requests
    from lxml import etree
    class Application(tk.Frame):
        def __init__(self, master=None):
            super().__init__(master)
            self.master = master
            self.pack()
            self.create_widgets()
        def create_widgets(self):
            #bar
            self.canvas = tk.Canvas(self,width=980,height=65,bg='#ebf4ec')
            self.image_file = tk.PhotoImage(file='network.png')
            self.imag = self.canvas.create_image(50,0,anchor='n',image=self.image_file)
            self.canvas.create_text(480,35,text='HTTP测试工具',font=('Arial',35),)
            self.canvas.grid(row=0,columnspan=3)
    
            #method HTTP方法多选框
            self.var_method = tk.StringVar(self)
            self.var_method.set('GET')
            self.optionmenu = tk.OptionMenu(self,self.var_method,'GET','POST','PUT','PATCH','DELETE','HEAD','OPTIONS').grid(row=1,column=0,padx=2,pady=2,ipadx=10,ipady=5)
    
            #url
            self.var_url = tk.StringVar(self)
            self.var_url.set('http://')
            self.url_entry = tk.Entry(self,font=('Arial',14),width=82,textvariable=self.var_url).grid(row=1,column=1,padx=1,pady=2,ipadx=10,ipady=5)
    
            #request button
            self.request_button = tk.Button(self, text='发送请求', fg='#436EEE', command=self.request).grid(row=1,column=2,padx=2,pady=2,ipadx=10,ipady=5)
    
            #request header
            self.header_label = tk.Label(self,text='请求头:').grid(row=3,column=0,padx=2,pady=2,ipadx=10,ipady=5)
            self.var_header = tk.StringVar(self)
            self.var_header.set('Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:64.0) Gecko/20100101 Firefox/64.0')
            self.header_entry = tk.Entry(self,font=('Arial',14),width=82,textvariable=self.var_header).grid(row=3,column=1,padx=2,pady=2,ipadx=10,ipady=5)
    
            #regular expression
            self.re_header = tk.Label(self,text='正则表达式:').grid(row=4,column=0,padx=2,pady=2,ipadx=10,ipady=5)
            self.var_re = tk.StringVar(self)
            self.re_entry = tk.Entry(self,font=('Arial',14),width=82,textvariable=self.var_re).grid(row=4,column=1,padx=2,pady=2,ipadx=10,ipady=5)
            self.re_button = tk.Button(self, text='匹配全部',command=self.re_request).grid(row=4,column=2,padx=2,pady=2,ipadx=10,ipady=5)
    
    
            #xpath
            self.xpath_label = tk.Label(self,text='Xpath表达式:').grid(row=5,column=0,padx=2,pady=2,ipadx=10,ipady=5)
            self.var_xpath = tk.StringVar(self)
            self.xpath_entry = tk.Entry(self,font=('Arial',14),width=82,textvariable=self.var_xpath).grid(row=5,column=1,padx=2,pady=2,ipadx=10,ipady=5)
            self.xpath_button = tk.Button(self, text='匹配全部',command=self.xpath_request).grid(row=5,column=2,padx=2,pady=2,ipadx=10,ipady=5)
    
    
            #information
            self.var_status = tk.StringVar()
            self.var_status.set('当前状态:未请求')
            self.information = tk.Label(self,textvariable=self.var_status,bg='#48D1CC',font=('Arial',14)).grid(row=6, column=1, padx=2, pady=2, ipadx=10, ipady=5)
    
    
            #results
            self.textarea = tk.scrolledtext.ScrolledText(self,width=117,height=25,bg='black',fg='#00EE00',font=('Arial',14))
            self.textarea.grid(row=7,columnspan=3,pady=10)
    
        #xpath匹配
        def xpath_request(self):
            xpath = self.var_xpath.get()
            if xpath == '':
                messagebox.showinfo('警告', message='请输入XPATH表达式!')
            else:
                url = self.var_url.get()
                header = self.var_header.get()
                headers = {'User-Agent':header}
                data = requests.get(url=url,headers=headers).text
                results = etree.HTML(data).xpath(xpath)
                self.textarea.delete('1.0', 'end')
                for i in results:
    
                    self.textarea.insert('end',i.text + '
    ')
    
        #正则表达式匹配
        def re_request(self):
            exp = self.var_re.get()
            if exp == '':
                messagebox.showinfo('警告',message='请输入正则表达式!')
            else:
                url = self.var_url.get()
                header = self.var_header.get()
                headers = {'User-Agent':header}
                data = requests.get(url=url,headers=headers).text
                results = re.compile(exp).findall(data)
                self.textarea.delete('1.0', 'end')
                self.textarea.insert('end',results)
    
        def request(self):
            method = self.var_method.get()
            if method == 'GET':
                self.get_request()
            elif method == 'POST':
                self.post_request()
    
        def post_request(self):
            pass
            #还没写
    
        #发送HTTP GET请求
        def get_request(self):
            self.textarea.delete('1.0','end')
            if self.var_header.get() == '':
                headers = {'User-Agent':''}
            else:
                headers = {'User-Agent':self.var_header.get()}
            url = self.var_url.get()
    
            data = requests.get(url=url,headers=headers)
            if (data.status_code == 200):
                self.var_status.set('当前状态:'+ 'GET ' + url + '    '+ str(data.status_code)+' OK')
    
            elif (data.status_code == 404):
                self.var_status.set('当前状态:' + str(data.status_code) + ' Not found')
            else:
                self.var_status.set('当前状态:' + str(data.status_code))
            content = data.text
            self.textarea.insert('end',content)
    
    if __name__ == '__main__':
        root = tk.Tk()
        root.title('KK HTTP测试工具')
        root.geometry('980x700')
        app = Application(master=root)
        app.mainloop()
    
    原文地址:https://www.cnblogs.com/PyKK2019/p/10475934.html