python - 如何导入模块并将其绑定到 tkinter 窗口中的按钮
问题描述
我不能bind
进入窗口(实际上它甚至没有显示窗口Button
)module
tkinter
但它会运行,我想在单击按钮后运行它,而不是import
在.module
我该怎么做,任何帮助将不胜感激。这是我的 GUI 和模块代码
from Tkinter import*
import Tkinter as Tk
from DatasetCreator1 import DatasetCreator
class Buttons:
def __init__(self, master):
frame = Frame(master)
frame.pack()
self.TrainButton = Button(frame, text="Begin Train",
command = DatasetCreator.insertOrUpdate)
self.TrainButton.pack(side = LEFT)
self.quitButton = Button(frame, text = "Quit", command = frame.quit)
self.quitButton.pack(side = LEFT)
root = Tk()
b = Buttons(root)
root.mainloop()
当我运行它时,它DatasetCreator1
直接运行,不显示任何tkinter
窗口。它要求输入:
enter your id
我DatasetCreator1
的是:
import cv2
import sqlite3
import numpy as np
cam = cv2.VideoCapture(0)
detector=cv2.CascadeClassifier('Classifiers/haarcascade_frontalface_default.xml');
class DatasetCreator():
def insertOrUpdate(Id,Name):
conn=sqlite3.connect("Facebase0.db")
cmd="SELECT * FROM People WHERE Id =" +str(Id)
cursor=conn.execute(cmd)
isRecordExist=0
for row in cursor:
isRecordExist=1
if(isRecordExist==1):
cmd="UPDATE people SET Name=' "+str(Name)+" ' WHERE ID="+str(Id)
else:
cmd="INSERT INTO people(ID,Name) Values("+str(Id)+",' "+str(Name)+" ' )"
conn.execute(cmd)
conn.commit()
conn.close()
ID = raw_input("enter your id")
name = raw_input("enter your name")
insertOrUpdate(ID,name)
sampleNum=0
while(True):
ret, img = cam.read()
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
faces = detector.detectMultiScale(gray, 1.3, 5)
for (x,y,w,h) in faces:
cv2.rectangle(img,(x,y),(x+w,y+h),(255,0,0),2)
#incrementing sample number
sampleNum=sampleNum+1
#saving the captured face in the dataset folder
cv2.imwrite("dataSet/User."+ID +'.'+ str(sampleNum) + ".jpg", gray[y:y+h,x:x+w])
cv2.imshow('frame',img)
#wait for 100 miliseconds
if cv2.waitKey(100) & 0xFF == ord('q'):
break
# break if the sample number is morethan 20
elif sampleNum>20:
break
cam.release()
cv2.destroyAllWindows()
我的一些有趣的功能是,
即使我删除了函数调用DatasetCreator1
,它仍然会运行input('enter your id')
ID = raw_input("enter your id") # function call
name = raw_input("enter your name")
insertOrUpdate(ID,name)
sampleNum=0
或者我在函数定义中没有给出参数
class DatasetCreator():
def insertOrUpdate(Id,Name): # function definition
conn=sqlite3.connect("Facebase0.db")
cmd="SELECT * FROM People WHERE Id =" +str(Id)
cursor=conn.execute(cmd)