from tkinter import * root = Tk() # 创建文本框 entry = Entry(root) entry.pack() # 设置文本框只能输入数字 entry.config( validate="key", validatecommand=(root.register(lambda P: P.isdigit() or P == ""), "%P",), ) root.mainloop()
from tkinter import * root = Tk() # 创建文本框 entry = Entry(root) entry.pack() # 设置文本框只能输入数字 entry.config( validate="key", validatecommand=(root.register(lambda P: P.isdigit() or P == ""), "%P",), ) root.mainloop()