tkinter entry组件

#!/usr/bin/env python3# coding=utf-8from tkinter import *from tkinter import ttk__author__ = 'Administrator'root = Tk()name = StringVar()password = StringVar()note = StringVar()name_label = ttk.Label(root, text="姓名")pwd_label = ttk.Label(root, text="密码")name_entry = ttk.Entry(root, textvariable=name, width=10)# print(name_entry.configure())pwd_entry = ttk.Entry(root, textvariable=password, show="*", width=10)note_entry = ttk.Entry(root, textvariable=note, state=["readonly"])  # invalidnote.set("只读文本框")name_label.grid(row=1, column=1)name_entry.grid(row=1, column=2, sticky=W)pwd_label.grid(row=2, column=1)pwd_entry.grid(row=2, column=2, sticky=W)note_entry.grid(row=3, column=1, columnspan=2)for child in root.winfo_children():    child.grid(padx=5, pady=5)name.set("soeien")name_entry.delete(0, 2)name_entry.insert(0, "jack ")root.mainloop()