Tkinter 试图将变量从一个程序导入到另一个程序，出现错误ImportError:无法导入名称用户名\u值
我已经创建了两个文件，登录和主页。登录完成后，我需要将变量username\u value从login\u tkinter导入home，以便显示“hello”+username\u value。但它显示了一个错误 ImportError:无法导入名称用户名\u值 请帮忙 这些是代码 登录\u tkinter.pyTkinter 试图将变量从一个程序导入到另一个程序，出现错误ImportError:无法导入名称用户名\u值,tkinter,Tkinter,我已经创建了两个文件，登录和主页。登录完成后，我需要将变量username\u value从login\u tkinter导入home，以便显示“hello”+username\u value。但它显示了一个错误 ImportError:无法导入名称用户名\u值 请帮忙 这些是代码 登录\u tkinter.py from Tkinter import *#to import the library import MySQLdb #to import Mysql #to
from Tkinter import *#to import the library
import MySQLdb #to import Mysql
#to create login window template
root=Tk()
root.title("Login")
root.configure(background="black")
root.geometry("400x200")
label_1=Label(root,text = "Login", bg = "black").grid(row =1, column = 2, sticky = W)
label_2=Label(root,text = "User-name", bg="black", fg = "white").grid(row=2, column=0,sticky = W)
label_2=Label(root,text = "Password", bg="black", fg = "white").grid(row=4, column=0,sticky = W)
username_entry = Entry(root, width = 20, bg="white")
username_entry.grid(row = 2, column = 4,sticky = W)
password_entry = Entry(root, show="*", width = 20, bg="white")
password_entry.grid(row = 4, column = 4,sticky = W)
def part2():
flag=0
username_value= username_entry.get()#to accquire input username
password_value= password_entry.get() #to accquire input password
print(username_value)
print(password_value)
db = MySQLdb.connect(host="localhost", #to create connection to SQL
user="root",
passwd="passwd",
db="stb_report")
cur = db.cursor() #cursor created to execute commands
cur.execute ("select username,password from stb_details")
user= cur.fetchall()
for row in user:
if (row[0]==username_value): #loop to check username
if(row[1]==password_value): #loop to check password
print("login validated")
flag=1
root1= Tk()
root1.title("New Window")
root1.configure(background="black")
label_1=Label(root1,text = "New page", bg = "black" ,fg="white").grid(row =2, column = 2, sticky = W)
break
else:
print("username recgonized,wrong password")
flag=2
else:
print("invalid username")
if (flag==0): #to pr int comment line in window
label_3=Label(root,text="INVALID USERNAME",bg="black",fg="red").grid(row=10,column=4,sticky=W)
elif(flag==1):
label_3=Label(root,text="Login Validated",bg="black",fg="red").grid(row=10,column=4,sticky=W)
import home
elif(flag==2):
label_3=Label(root,text="Username Recgonized,Wrong Password",bg="black",fg="red").grid(row=10,column=4,sticky=W)
db.close()
submit= Button(root, text="SUBMIT",width=6,command =part2).grid(row=8, column =4)
if __name__ == '__main__':
root.mainloop()
from Tkinter import *
from login_tkinter import username_value
root=Tk()
root.title("Welcome to MCQ")
root.configure(background="black")
root.geometry("400x200")
welcome='welcome',username_value,'start quiz?'
label1=Label(root,text = welcome, bg="black", fg = "white").grid(row=2, column=0,sticky = W)
if __name__ == '__main__':
root.mainloop()
更新：尝试在与2个文件相同的目录中添加空文件init.py。仍然不起作用
username\u值