我正在学习用Python连接mongoDB，遇到了这个错误。
Traceback (most recent call last):
File "d:/My Documents/Programming/Intaf/Production Register/Retrieve_Data.py", line 93, in <module>
Submit = Button(root, text = "SUBMIT", command = goMongo()).place(x = .5*900, y = .30*screenHeight)
File "d:/My Documents/Programming/Intaf/Production Register/Retrieve_Data.py", line 89, in goMongo
information.insert_one(record1)
File "d:\Download\anaconda pygame\lib\site-packages\pymongo\collection.py", line 698, in insert_one
self._insert(document,
File "d:\Download\anaconda pygame\lib\site-packages\pymongo\collection.py", line 613, in _insert
return self._insert_one(
File "d:\Download\anaconda pygame\lib\site-packages\pymongo\collection.py", line 602, in _insert_one
self.__database.client._retryable_write(
File "d:\Download\anaconda pygame\lib\site-packages\pymongo\mongo_client.py", line 1498, in _retryable_write
return self._retry_with_session(retryable, func, s, None)
File "d:\Download\anaconda pygame\lib\site-packages\pymongo\mongo_client.py", line 1384, in _retry_with_session
return self._retry_internal(retryable, func, session, bulk)
File "d:\Download\anaconda pygame\lib\site-packages\pymongo\mongo_client.py", line 1416, in _retry_internal
return func(session, sock_info, retryable)
File "d:\Download\anaconda pygame\lib\site-packages\pymongo\collection.py", line 590, in _insert_command
result = sock_info.command(
File "d:\Download\anaconda pygame\lib\site-packages\pymongo\pool.py", line 699, in command
self._raise_connection_failure(error)
File "d:\Download\anaconda pygame\lib\site-packages\pymongo\pool.py", line 683, in command
return command(self, dbname, spec, slave_ok,
File "d:\Download\anaconda pygame\lib\site-packages\pymongo\network.py", line 120, in command
request_id, msg, size, max_doc_size = message._op_msg(
File "d:\Download\anaconda pygame\lib\site-packages\pymongo\message.py", line 714, in _op_msg
return _op_msg_uncompressed(
bson.errors.InvalidDocument: cannot encode object: <tkinter.StringVar object at 0x000001F9329D3B50>, of type: <class 'tkinter.StringVar'>
here is the code:
from tkinter import *
import pymongo
client = pymongo.MongoClient('mongodb://127.0.0.1:27017/')
mydb = client['FirstContact']
information = mydb.studentinfo
root = Tk()
screenWidth = root.winfo_screenwidth()
screenHeight = root.winfo_screenheight()
screen_resolution = "900x500"
root.geometry(screen_resolution)
Names = ["Shlok",
"Sumit",
"Srishti",
"Swati"]
clicked1 = StringVar()
clicked1.set("Choose the students name")
clicked2 = StringVar()
clicked2.set("Choose the students name")
clicked3 = StringVar()
clicked3.set("Choose the students name")
clicked4 = StringVar()
clicked4.set("Choose the students name")
mainframe = Frame(root, bg = "green", bd = 2, width = screenWidth, height = screenHeight).pack(side = TOP)
DropDown1 = OptionMenu(root, clicked1, *Names).place(x = .01*screenWidth, y = .02*screenHeight)
DropDown2 = OptionMenu(root, clicked2, *Names).place(x = .15*screenWidth, y = .02*screenHeight)
DropDown3 = OptionMenu(root, clicked3, *Names).place(x = .29*screenWidth, y = .02*screenHeight)
DropDown4 = OptionMenu(root, clicked4, *Names).place(x = .43*screenWidth, y = .02*screenHeight)
Subs = ["Physics", "English", "Hindi", "Chemistry"]
SubSel = StringVar()
SubSel.set("Which Subject?")
SubDown = OptionMenu(root, SubSel, *Subs).place(x = .01*screenWidth, y = .09*screenHeight)
MarkName1 = StringVar()
MarkName1.set("The marks recieved")
MarkName2 = StringVar()
MarkName2.set("The marks recieved")
MarkName3 = StringVar()
MarkName3.set("The marks recieved")
MarkName4 = StringVar()
MarkName4.set("The marks recieved")
Mark1 = Entry(root, width = 30, textvariable = MarkName1).place(x = .01*screenWidth, y = .16*screenHeight)
Mark2 = Entry(root, width = 30, textvariable = MarkName2).place(x = .15*screenWidth, y = .16*screenHeight)
Mark3 = Entry(root, width = 30, textvariable = MarkName3).place(x = .29*screenWidth, y = .16*screenHeight)
Mark4 = Entry(root, width = 30, textvariable = MarkName4).place(x = .43*screenWidth, y = .16*screenHeight)
Grades = ["A", "B", "C", "D", "E"]
Grade1 = StringVar()
Grade1.set("Grade")
Grade2 = StringVar()
Grade2.set("Grade")
Grade3 = StringVar()
Grade3.set("Grade")
Grade4 = StringVar()
Grade4.set("Grade")
GradeDown1 = OptionMenu(root, Grade1, *Grades).place(x = .01*screenWidth, y = .23*screenHeight)
GradeDown2 = OptionMenu(root, Grade2, *Grades).place(x = .15*screenWidth, y = .23*screenHeight)
GradeDown3 = OptionMenu(root, Grade3, *Grades).place(x = .29*screenWidth, y = .23*screenHeight)
GradeDown4 = OptionMenu(root, Grade4, *Grades).place(x = .43*screenWidth, y = .23*screenHeight)
def goMongo():
record1 = {'Name': clicked1,
'Subject': SubSel,
'Marks': MarkName1,
'Grade': Grade1}
information.insert_one(record1)
Submit = Button(root, text = "SUBMIT", command = goMongo()).place(x = .5*900, y = .30*screenHeight)
root.mainloop()
如果没有插入代码，它可以正常工作，但当我在代码中添加数据时，它显示了这个愚蠢的错误。
谢谢你的任何帮助。
