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from tkinter import *

root = Tk()
frame = Frame(root)
frame.pack()

root.mainloop()

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var = StringVar()
# 创建Entry放在Frame中并绑定变量
entry = Entry(frame, textvariable=var)
entry.pack()

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class MyFrame(Frame):
    def __init__(self, master=None):
        super().__init__(master)
        self.my_var = "默认值"  # 自定义属性
      
    def set_var(self, value):
        self.my_var = value
      
    def get_var(self):
        return self.my_var

# 使用自定义Frame
custom_frame = MyFrame(root)
custom_frame.pack()

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def add_button():
    btn = Button(frame, text="新按钮")
    btn.pack()
    frame.widgets.append(btn)  # 保存引用

frame.widgets = []  # 用于保存动态创建的组件
Button(root, text="添加按钮", command=add_button).pack()

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main_frame = Frame(root)
left_frame = Frame(main_frame, bg="lightgray")
right_frame = Frame(main_frame, bg="lightblue")

main_frame.pack(fill=BOTH, expand=True)
left_frame.pack(side=LEFT, fill=Y, padx=5, pady=5)
right_frame.pack(side=RIGHT, expand=True, fill=BOTH, padx=5, pady=5)

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from tkinter import *

def show_value():
    label.config(text=f"Frame1的值: {frame1.entry.get()}, Frame2的值: {frame2.my_var}")

root = Tk()

# Frame 1 - 使用Entry绑定变量
frame1 = Frame(root, bd=2, relief=GROOVE)
frame1.pack(padx=10, pady=10)
Label(frame1, text="输入框:").pack(side=LEFT)
frame1.entry = Entry(frame1)  # 动态添加属性
frame1.entry.pack(side=LEFT)

# Frame 2 - 自定义类绑定属性
class ValueFrame(Frame):
    def __init__(self, master=None):
        super().__init__(master, bd=2, relief=GROOVE)
        self.options = ["选项1", "选项2", "选项3"]
        self.var = StringVar(value=self.options[0])  # 初始化 self.var
        Label(self, text="选择:").pack(side=LEFT)
        OptionMenu(self, self.var, *self.options).pack()
        self.my_var = "默认值"  # 调用 setter 方法，确保 self.var 已初始化
      
    @property
    def my_var(self):
        return self.var.get()
      
    @my_var.setter
    def my_var(self, value):
        self.var.set(value)

frame2 = ValueFrame(root)
frame2.pack(padx=10, pady=10)

# 显示按钮
Button(root, text="显示值", command=show_value).pack(pady=10)
label = Label(root)
label.pack()

root.mainloop()