Python 如何在tkinter制作的窗口中添加滚动条 一个简单的问答游戏

Python 如何在tkinter制作的窗口中添加滚动条 一个简单的问答游戏,python,tkinter,scrollbar,Python,Tkinter,Scrollbar,我得到了这段代码,我需要滚动条,我试图搜索如何将它添加到stackoverflow(带有tix的ScrolledWindow…)上,但我仍然无法得到正常工作的东西。有人能帮我吗 from tkinter import * from random import randint root = Tk() root.title("Quiz") root.geometry("400x300") class Window: def __init__(self, question, answe

我得到了这段代码,我需要滚动条,我试图搜索如何将它添加到stackoverflow(带有tix的ScrolledWindow…)上,但我仍然无法得到正常工作的东西。有人能帮我吗

from tkinter import *
from random import randint

root = Tk()
root.title("Quiz")
root.geometry("400x300")


class Window:

    def __init__(self, question, answer):
        self.text = [question, answer]
        self.createLabel()
        # self.createText()
        self.createEntry()
        self.createButton()

    def retrieve_input(self):
        # inputValue = self.textBox.get("1.0", "end-1c")
        # print(inputValue)
        if self.mystring.get() == self.text[1]:
            print("Esatto. è " + self.text[1])
            self.left['text'] = "Esatto"

    def createLabel(self):
        self.labelframe = LabelFrame(root, text="Domanda:")
        self.labelframe.pack(fill="both", expand="yes")
        self.left = Label(self.labelframe, text=self.text[0])
        self.left.pack()

    def createText(self):
        self.textBox = Text(height=1)
        self.textBox.pack()

    def createEntry(self):
        self.mystring = StringVar()
        self.myentry = Entry(root, textvariable=self.mystring).pack()

    def createButton(self):
        self.but = Button(text="Click", command=self.retrieve_input)
        self.but.pack()


for i in range(10):
    one = randint(1, 10)
    two = randint(1, 10)
    Window("Quanto fa " + str(one) + "+" + str(two) + "?", str(one + two))

root.mainloop()
输出


使用
滚动框架
时,它可能看起来像这样

  • 我将
    窗口
    重命名为
    问题
    ,因为这样更有意义
  • 我使用
    self.question
    self.answer
    而不是
    self.text=[question,answer]
    使它更具可读性
  • 我将类和函数放在
    root=tk.tk()
    之前,以使其更具可读性
  • 我使用
    import-tkinter-as-tk
    而不是
    from-tkinter-import*
    使其更具可读性
问题
滚动框架
获取内部框架,并用作
LabelFrame
的父级。其他小部件使用
labelframe
作为父项

顺便说一句:您有
entry=entry(..).pack()
它将
None
分配给
entry
,因为
pack()
/
grid()
/
/
place()
返回
None
。我把
pack()
放在下一行,现在我可以直接从
Entry
中获取文本(不带
StringVar

代码

将tkinter作为tk导入
从随机导入randint
#---班级---
类ScrolledFrame(tk.Frame):
定义初始值(自、父、垂直=真、水平=假):
super()。\uuuu init\uuuu(父级)
#内框帆布
self.\u canvas=tk.canvas(self)
self._canvas.grid(行=0,列=0,sticky='news')#已更改
#创建右滚动条并连接到画布Y
self.\u vertical\u bar=tk.Scrollbar(self,orient='vertical',command=self.\u canvas.yview)
如果垂直:
自垂直条形网格(行=0,列=1,粘性=ns')
self.\u canvas.configure(yscrollcommand=self.\u vertical\u bar.set)
#创建底部滚动条并连接到画布X
self.\u horizontal\u bar=tk.Scrollbar(self,orient='horizontal',command=self.\u canvas.xview)
如果水平:
self.\u水平\u条形网格(行=1,列=0,粘性=we')
self.\u canvas.configure(xscrollcommand=self.\u horizontal\u bar.set)
#小部件的内部框架
self.inner=tk.Frame(self.\u画布,bg='red')
self.\u window=self.\u canvas.create\u window((0,0),window=self.inner,anchor='nw')
#自动调整内部框架的大小
self.columnconfigure(0,权重=1)#已更改
self.rowconfigure(0,权重=1)#已更改
#配置更改时调整大小
self.internal.bind(“”,self.resize)
自我画布绑定(“”,自我框架宽度)
def帧_宽度(自身、事件):
#将内部框架调整为画布大小
画布宽度=event.width
self.\u canvas.itemconfig(self.\u窗口,宽度=画布宽度)
def调整大小(自我,事件=无):
self.\u canvas.configure(scrollregion=self.\u canvas.bbox('all'))
课堂问题:
定义初始(自我、家长、问题、答案):
self.parent=parent
self.question=问题
自我回答
self.create_widgets()
def get_输入(自身):
value=self.entry.get()
打印('值:',值)
如果值==self.answer:
打印(“Esatto.è”+自我回答)
self.label['text']=“Esatto”
def创建_小部件(自):
self.labelframe=tk.labelframe(self.parent,text=“Domanda:”)
self.labelframe.pack(fill=“both”,expand=True)
self.label=tk.label(self.labelframe,text=self.question)
self.label.pack(expand=True,fill='both')
self.entry=tk.entry(self.labelframe)
self.entry.pack()
self.button=tk.button(self.labelframe,text=“Click”,command=self.get\u输入)
self.button.pack()
#---梅因---
root=tk.tk()
根标题(“测验”)
根几何(“400x300”)
窗口=滚动帧(根)
pack(expand=True,fill='both')
对于范围(10)内的i:
1=randint(1,10)
二=randint(1,10)
问题(window.inner,“Quanto fa{}+{}?”。格式(一,二),str(一+二))
root.mainloop()

这里有一些示例如何使用
Canvas
像这样滚动
Frame
,非常感谢furas,我在尝试将滚动条添加到该窗口时感到非常困惑。
import tkinter as tk
from random import randint

# --- classes ---

class ScrolledFrame(tk.Frame):

    def __init__(self, parent, vertical=True, horizontal=False):
        super().__init__(parent)

        # canvas for inner frame
        self._canvas = tk.Canvas(self)
        self._canvas.grid(row=0, column=0, sticky='news') # changed

        # create right scrollbar and connect to canvas Y
        self._vertical_bar = tk.Scrollbar(self, orient='vertical', command=self._canvas.yview)
        if vertical:
            self._vertical_bar.grid(row=0, column=1, sticky='ns')
        self._canvas.configure(yscrollcommand=self._vertical_bar.set)

        # create bottom scrollbar and connect to canvas X
        self._horizontal_bar = tk.Scrollbar(self, orient='horizontal', command=self._canvas.xview)
        if horizontal:
            self._horizontal_bar.grid(row=1, column=0, sticky='we')
        self._canvas.configure(xscrollcommand=self._horizontal_bar.set)

        # inner frame for widgets
        self.inner = tk.Frame(self._canvas, bg='red')
        self._window = self._canvas.create_window((0, 0), window=self.inner, anchor='nw')

        # autoresize inner frame
        self.columnconfigure(0, weight=1) # changed
        self.rowconfigure(0, weight=1) # changed

        # resize when configure changed
        self.inner.bind('<Configure>', self.resize)
        self._canvas.bind('<Configure>', self.frame_width)

    def frame_width(self, event):
        # resize inner frame to canvas size
        canvas_width = event.width
        self._canvas.itemconfig(self._window, width = canvas_width)

    def resize(self, event=None): 
        self._canvas.configure(scrollregion=self._canvas.bbox('all'))

class Question:

    def __init__(self, parent, question, answer):
        self.parent = parent
        self.question = question
        self.answer = answer
        self.create_widgets()

    def get_input(self):
        value = self.entry.get()
        print('value:', value)
        if value == self.answer:
            print("Esatto. è " + self.answer)
            self.label['text'] = "Esatto"

    def create_widgets(self):
        self.labelframe = tk.LabelFrame(self.parent, text="Domanda:")
        self.labelframe.pack(fill="both", expand=True)

        self.label = tk.Label(self.labelframe, text=self.question)
        self.label.pack(expand=True, fill='both')

        self.entry = tk.Entry(self.labelframe)
        self.entry.pack()

        self.button = tk.Button(self.labelframe, text="Click", command=self.get_input)
        self.button.pack()

# --- main ---

root = tk.Tk()
root.title("Quiz")
root.geometry("400x300")

window = ScrolledFrame(root)
window.pack(expand=True, fill='both')

for i in range(10):
    one = randint(1, 10)
    two = randint(1, 10)
    Question(window.inner, "Quanto fa {} + {} ?".format(one, two), str(one + two))

root.mainloop()