python tkinter 导入自定义模块后，自定义模块内的函数无法获取主程序的entry.get()吗？ Python中如何获取输入框Entry输入的内容并输出

python tkinter \u5982\u4f55\u83b7\u53d6\u6587\u672c\u6846\u4e2d\u7684\u5185\u5bb9\uff1f

1\u3001\u9996\u5148\u6253\u5f00python\uff0c\u8f93\u5165\uff1a
\uff03coding\uff1autf\uff0d8
importurllib\uff0curllib2
importTkinter\uff03\u5bfc\u5165TKinter\u6a21\u5757

2\u3001\u7136\u540e\u8f93\u5165\uff1a
ytm\uff1dTkinter\uff0eTk\uff08\uff09\uff03\u521b\u5efaTk\u5bf9\u8c61
ytm\uff0etitle\uff08\uff02login\uff02\uff09\uff03\u8bbe\u7f6e\u7a97\u53e3\u6807\u9898
ytm\uff0egeometry\uff08\uff02300x300\uff02\uff09\uff03\u8bbe\u7f6e\u7a97\u53e3\u5c3a\u5bf8

3\u3001\u7136\u540e\u8f93\u5165\uff1a
l1\uff1dTkinter\uff0eLabel\uff08ytm\uff0ctext\uff1d\uff02\u7528\u6237\u540d\uff02\uff09\uff03\u6807\u7b7e
l1\uff0epack\uff08\uff09\uff03\u6307\u5b9a\u5305\u7ba1\u7406\u5668\u653e\u7f6e\u7ec4\u4ef6
user\uff3ftext\uff1dTkinter\uff0eEntry\uff08\uff09\uff03\u521b\u5efa\u6587\u672c\u6846

4\u3001\u7136\u540e\u8f93\u5165\uff1a
user\uff3ftext\uff0epack\uff08\uff09
defgetuser\uff08\uff09\uff1a
user\uff1duser\uff3ftext\uff0eget\uff08\uff09\uff03\u83b7\u53d6\u6587\u672c\u6846\u5185\u5bb9
printuserTkinter\uff0eButton\uff08ytm\uff0ctext\uff1d\uff02\u767b\u5f55\uff02\uff0ccommand\uff1dgetuser\uff09\uff0epack\uff08\uff09\uff03command\u7ed1\u5b9a\u83b7\u53d6\u6587\u672c\u6846\u5185\u5bb9\u65b9\u6cd5
ytm\uff0emainloop\uff08\uff09\uff03\u8fdb\u5165\u4e3b\u5faa\u73af\uff0c\u5c31\u5b8c\u6210\u4e86\u3002

\u53ef\u4ee5\u4f7f\u7528StringVar()\u5bf9\u8c61\u6765\u5b8c\u6210\uff0c\u628aEntry\u7684textvariable\u5c5e\u6027\u8bbe\u7f6e\u4e3aStringVar()\uff0c\u518d\u901a\u8fc7StringVar()\u7684get()\u548cset()\u51fd\u6570\u53ef\u4ee5\u8bfb\u53d6\u548c\u8f93\u51fa\u76f8\u5e94\u5185\u5bb9\uff0c\u4ee5\u4e0b\u4e3a\u6d4b\u8bd5\u4ee3\u7801\uff08python3.x\uff09\uff1a
from tkinter import *def submit(): print(u.get()) p.set(u.get())root = Tk()root.title("\u6d4b\u8bd5")frame = Frame(root)frame.pack(padx=8, pady=8, ipadx=4)lab1 = Label(frame, text="\u83b7\u53d6:")lab1.grid(row=0, column=0, padx=5, pady=5, sticky=W)
#\u7ed1\u5b9a\u5bf9\u8c61\u5230Entry
u = StringVar()ent1 = Entry(frame, textvariable=u)ent1.grid(row=0, column=1, sticky='ew', columnspan=2)lab2 = Label(frame, text="\u663e\u793a:")lab2.grid(row=1, column=0, padx=5, pady=5, sticky=W)p = StringVar()ent2 = Entry(frame, textvariable=p)ent2.grid(row=1, column=1, sticky='ew', columnspan=2)button = Button(frame, text="\u767b\u5f55", command=submit, default='active')button.grid(row=2, column=1)lab3 = Label(frame, text="")lab3.grid(row=2, column=0, sticky=W)button2 = Button(frame, text="\u9000\u51fa", command=quit)button2.grid(row=2, column=2, padx=5, pady=5)
#\u4ee5\u4e0b\u4ee3\u7801\u5c45\u4e2d\u663e\u793a\u7a97\u53e3
root.update_idletasks()x = (root.winfo_screenwidth() - root.winfo_reqwidth()) / 2y = (root.winfo_screenheight() - root.winfo_reqheight()) / 2root.geometry("+%d+%d" % (x, y))root.mainloop()
\u6548\u679c\u5982\u4e0b\uff1a

点击事件可以传参数
button1=tkinter.Button(win,text='打印',command=lambda : pri1(entry=entry))#调用
my_test
def pri1(entry):
print(entry.get())
print('jj')

entry有个textvariable属性，可以通过他来获取和修改entry内容

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