tkinter的Text组件设置禁止编辑

完整代码：

from tkinter import *
import requests

window = Tk()
window.geometry('1000x500+300+100')
window.title('数据采集')

frame = Frame(window)
frame.pack()

Label(frame,text='请输入网站地址：').pack()
var = StringVar()
var.set('https://www.cnblogs.com/zhangyh-blog/p/15940602.html')
address = Entry(frame,width=70,textvariable=var)
address.pack()

sc = Scrollbar(frame)
sc.pack(side='right',fill='y')

Label(frame,text='结果将在下方展示：').pack()
txt = Text(frame,height=30,width=120,yscrollcommand=sc.set)
txt.pack()

def submit():
    global txt
    addr = address.get()
    res = requests.get(addr).text
    txt.insert(INSERT,res)
    txt.config(state=DISABLED)  # 设置Text文本框为 “不能编辑”


Button(frame,text='提交',command=submit).pack()

window.mainloop()

设置Text不能编辑的配置：