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曾经终败给现在 2021-11-23 16:50 348阅读 0赞

'''
    
    sudo apt-get install python3-pyqt5
    #打开一个网页
    import
    用默认浏览器打开一个网页
    webbrowser.open('http://www.baidu.com')
    import sys
    #导入PyQt5的包
    from PyQt5.QtCore import QUrl
    #导入窗口
    from PyQt5.QtWidgets import QApplication
    #视图引擎
    from PyQt5.QtWebEngineWidgets import QWebEnginePage ,QWebEngineView
    #创建一个对象
    app = QApplication(sys.argv)
    #创建一个视图对象
    browser = QWebEngineView()
    #
    browser.load(QUrl("http://www.baidu.com"))
    browser.show()
    
    app.exec_()
    #PyQt5
    from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QDesktopWidget, QLabel, QGridLayout
    #网页浏览器  webbrowser
    import webbrowser, sys
    
    #自定义类
    class Ui_MainWindow(QWidget):
        #设置标题
        item_name = "PyQt打开外部链接"
    
        def __init__(self):
            #初始化父类
            super().__init__()
            self.initUI()
    
        def initUI(self):
            #初始化自己
            self.tips_1 = QLabel("网站：<a href='http://www.baidu.com/'>http://www.baidu.com/</a>");
            self.tips_1.setOpenExternalLinks(True)
            #一个按钮
            self.btn_webbrowser = QPushButton('webbrowser效果', self)
            #连接信号
            self.btn_webbrowser.clicked.connect(self.btn_webbrowser_Clicked)
            #添加一个布局器
            grid = QGridLayout()
            grid.setSpacing(10)
    
            grid.addWidget(self.btn_webbrowser, 1, 0)
            grid.addWidget(self.tips_1, 2, 0)
    
            self.setLayout(grid)
    
            self.resize(250, 150)
            self.setMinimumSize(266, 304);
            self.setMaximumSize(266, 304);
            self.center()
            self.setWindowTitle(self.item_name)
            self.show()
    
        def btn_webbrowser_Clicked(self):
            webbrowser.open('http://www.baidu.com/')
    #
        def center(self):
            qr = self.frameGeometry()
            cp = QDesktopWidget().availableGeometry().center()
            qr.moveCenter(cp)
            self.move(qr.topLeft())
    #格式控制
    
    if __name__ == "__main__":
        app = QApplication(sys.argv)
        a = Ui_MainWindow()
        sys.exit(app.exec_())
    
    '''
    
    '''
    Tkinter模块 （kt接口）  是图形界面开发的库
    '''
    '''
    import tkinter as tk
    
    from tkinter import messagebox
    #数据存储   pickle 可以将序列化对象保存到磁盘 并在需要的时候读出来 任何对象都可以执行序列化炒操作
    import pickle
    import webbrowser
    #创建一个窗口
    window = tk.Tk()
    #  welcome Image
    window.title('selen')
    window.maxsize(400,300)
    window.minsize(400,300)
    window.geometry('+450+300')
    #创建canvas  画布
    canvas = tk.Canvas(window,height = 200,width = 500)
    #图形文件 转化为 image对象
    image_file = tk.PhotoImage(file='HQ.png')
    image = canvas.create_image(180,20,anchor='nw',image = image_file)
    canvas.pack(side = 'top')
    
    #user information
    #创建两个lable
    tk.Label(window,text= 'user name: ').place(x=120,y=150)
    tk.Label(window,text='password:').place(x=120,y = 190)
    #声明两个变量 保存 name passwd
    #用户名
    var_user_name = tk.StringVar()
    var_user_name.set('selen')
    #entry using to scanf single row string
    entry_user_name = tk.Entry(window,textvariable = var_user_name)
    entry_user_name.place(x=200,y=150)
    var_user_pwd = tk.StringVar()
    var_user_pwd.set('selen')
    entry_user_pwd=tk.Entry(window,textvariable=var_user_pwd,show = '*')
    entry_user_pwd.place(x=200,y=190)
    
    def usr_login():
        #登录
        user_name = var_user_name.get()
        user_pwd = var_user_pwd.get()
        try:
            with open('user_into.pickle','rb') as user_file:
                user_info = pickle.loads(user_file)
        except FileNotFoundError:
            with open("user_info.pickle","wb") as e_user_file:
                user_into={'admin':'admin'}
                pickle.dump(user_info,e_user_file)
        if user_name in user_info:
            if user_pwd == user_info[user_name]:
                webbrowser.open('http://www.baidu.com/')
                messagebox.showinfo(title = 'Welcom',message='How are you'+user_name)
            else:
    
                messagebox.showerror(message="Error ,your passwd is wrong try again")
        else:
            is_sign_up = messagebox.askyesno('Welcome','you have not signed uo yet,Sign up now?')
            if is_sign_up:
                usr_sign_up()
    #注册函数
    def usr_sign_up():
    
        def sign_to_Mofan_Python():
            #获得三条数据
            np = new_pwd.get()  #新密码
            npf = new_pwd_confirm.get()  #确认密码
            nn = new_name.get()  #新用户名
            with open('usr_info.pickle','rb') as usr_file:
                exist_usr_info = pickle.load(usr_file)
            if np!=npf:
                tk.messagebox.showerror('Error ','Password and confirm passwd must be the same')
            elif nn in exist_usr_info:
                tk.messagebox('Error','the user has sign up already ')
            else:
                print(type(exist_usr_info))
                exist_usr_info[nn] = np
                with open('user_info.pickle','rb') as user_file:
                    pickle.dump(exist_usr_info,user_file)
                tk.messagebox.showinfo('Welcome','you have successfully sign up!')
                window_sign_up.destry()
    
    
    
        #顶级窗口
        window_sign_up = tk.Toplevel(window)
      # window_sign_up.geometry('+400+400')
       # window_sign_up.size(400,250)
        window_sign_up.title("Sign ip window")
    
        new_name = tk.StringVar()
    #新用户名
        new_name.set('chenfeihao')
        tk.Label(window_sign_up,text = 'user name:').place(x=10,y=10)
        entry_new_name = tk.Entry(window_sign_up,textvariable = new_name)
        entry_new_name.place(x=80,y=10)
    
        #新密码输入
        new_pwd = tk.StringVar();
        tk.Label(window_sign_up,text="password>").place(x=10,y=20)
        #输入框
        entry_new_pwd = tk.Entry(window_sign_up,textvariable = new_pwd,show='*')
        entry_new_pwd.place(x=80,y=20)
    
    
        new_pwd_confirm = tk.StringVar()
        tk.Label(window_sign_up,text= 'Confirm passwd:').place(x=10,y=30)
        entry_usr_pwd_confirm = tk.Entry(window_sign_up,textvariable=new_pwd_confirm)
        entry_usr_pwd_confirm.place(x=80,y=30)
    
        btn_confirm_sign_up = tk.Button(window_sign_up,text = 'Sign up',command = sign_to_Mofan_Python)
        btn_confirm_sign_up.place(x=90,y=40)
    
    btn_login = tk.Button(window,text = 'Log in',command=usr_login)
    btn_login.place(x=270,y=230)
    btn_sign_up = tk.Button(window,text = 'Sign up',command = usr_sign_up)
    btn_sign_up.place(x=120,y=230)
    
    
    window.mainloop()
    
    '''
    #导入需要的包
    import tkinter as tk
    from tkinter import messagebox  # import this to fix messagebox error
    import pickle
    import webbrowser
    
    window = tk.Tk()
    window.title('Selen EngineView')
    window.geometry('450x300')
    
    # welcome image
    #创建画布
    canvas = tk.Canvas(window, height=200, width=500,bg='pink')
    image_file = tk.PhotoImage(file='HQ.png')
    
    #anchor  抛锚
    image = canvas.create_image(180, 20, anchor='nw', image=image_file)
    canvas.pack(side='top')
    
    # user information
    tk.Label(window, text='User name: ').place(x=120, y=150)
    tk.Label(window, text='Password: ').place(x=120, y=190)
    
    var_usr_name = tk.StringVar()
    var_usr_name.set('selen')
    entry_usr_name = tk.Entry(window, textvariable=var_usr_name)
    entry_usr_name.place(x=200, y=150)
    var_usr_pwd = tk.StringVar()
    entry_usr_pwd = tk.Entry(window, textvariable=var_usr_pwd, show='*')
    entry_usr_pwd.place(x=200, y=190)
    
    
    def usr_login():
        usr_name = var_usr_name.get()
        usr_pwd = var_usr_pwd.get()
        try:
            with open('usrs_info.pickle', 'rb') as usr_file:
                usrs_info = pickle.load(usr_file)
        except FileNotFoundError:
            with open('usrs_info.pickle', 'wb') as usr_file:
                usrs_info = {'admin': 'admin'}
                pickle.dump(usrs_info, usr_file)
        if usr_name in usrs_info:
            if usr_pwd == usrs_info[usr_name]:
                webbrowser.open('http://www.baidu.com/')
                # tk.messagebox.showinfo(title='Welcome', message='How are you? ' + usr_name)
            else:
                tk.messagebox.showerror(message='Error, your password is wrong, try again.')
        else:
            is_sign_up = tk.messagebox.askyesno('Welcome',
                                                'You have not signed up yet. Sign up today?')
            if is_sign_up:
                usr_sign_up()
    
    
    def usr_sign_up():
        def sign_to_Mofan_Python():
            np = new_pwd.get()
            npf = new_pwd_confirm.get()
            nn = new_name.get()
            with open('usrs_info.pickle', 'rb') as usr_file:
                exist_usr_info = pickle.load(usr_file)
            if np != npf:
                tk.messagebox.showerror('Error', 'Password and confirm password must be the same!')
            elif nn in exist_usr_info:
                tk.messagebox.showerror('Error', 'The user has already signed up!')
            else:
                exist_usr_info[nn] = np
                with open('usrs_info.pickle', 'wb') as usr_file:
                    pickle.dump(exist_usr_info, usr_file)
                tk.messagebox.showinfo('Welcome', 'You have successfully signed up!')
                window_sign_up.destroy()
    
        window_sign_up = tk.Toplevel(window)
        window_sign_up.geometry('350x200')
        window_sign_up.title('Sign up window')
    
        new_name = tk.StringVar()
        new_name.set('chenfeihao')
        tk.Label(window_sign_up, text='User name: ').place(x=10, y=10)
        entry_new_name = tk.Entry(window_sign_up, textvariable=new_name)
        entry_new_name.place(x=150, y=10)
    
        new_pwd = tk.StringVar()
        tk.Label(window_sign_up, text='Password: ').place(x=10, y=50)
        entry_usr_pwd = tk.Entry(window_sign_up, textvariable=new_pwd, show='*')
        entry_usr_pwd.place(x=150, y=50)
    
        new_pwd_confirm = tk.StringVar()
        tk.Label(window_sign_up, text='Confirm password: ').place(x=10, y=90)
        entry_usr_pwd_confirm = tk.Entry(window_sign_up, textvariable=new_pwd_confirm, show='*')
        entry_usr_pwd_confirm.place(x=150, y=90)
    
        btn_comfirm_sign_up = tk.Button(window_sign_up, text='Sign up', command=sign_to_Mofan_Python)
        btn_comfirm_sign_up.place(x=150, y=130)
    
    
    # login and sign up button
    btn_login = tk.Button(window, text='Log in', command=usr_login)
    btn_login.place(x=270, y=230)
    btn_sign_up = tk.Button(window, text='Sign up', command=usr_sign_up)
    btn_sign_up.place(x=120, y=230)
    
    window.mainloop()

转载于:https://www.cnblogs.com/countryboy666/p/11122249.html