frame中添加了canvas,画布可以显示,但是没有create_方法

沫颜之瞳

如题,canvas = Canvas(frame),可以显示画布,但是后续的canvas 没有create 方法了,为什么

zltzlt

发完整代码

沫颜之瞳

zltzlt 发表于 2020-7-31 15:42
发完整代码

from tkinter import *

#主界面
class Indexpage():
    def __init__(self,master):
        self.master = master
        self.master.config()
        self.master.geometry("1000x500")
        Menubar(self.master)
#主菜单
class Menubar():
    def __init__(self,master):
        self.master = master
        menubar = Menu(self.master)
        menubar.add_command(label = "测试1",command = self.cheshi1)
        menubar.add_command(label = "测试",command = self.cheshi)
        menubar.add_command(label = "退出",command = root.quit)
        self.frame1 = Frame(self.master)
        self.frame1.grid(row = 0,column = 0)
        Label(self.frame1, text="测试内容").grid(row = 0,column = 0)
        self.master.config(menu = menubar)

    def cheshi1(self):
        self.frame1.destroy()
        self.frame1 = Frame(self.master)
        self.frame1.grid(row = 0,column = 0)
        Button(self.frame1,text = "提交").grid(row = 0,column =0)
        Label(self.frame1,text = "进度:").grid(row = 1,column = 0,sticky = W)
        canvas = Canvas(self.frame1,width = 350,height = 20,bg=  "white").grid(row = 2,column = 0)
        #这里的canvas 没有create方法
        canvas.create
    #测试界面
    def cheshi(self):
        self.frame1.destroy()
        self.frame1 = Frame(self.master)
        self.frame1.grid(row = 0,column = 0)
        Label(self.frame1,text = "测试:").grid(row = 0,column = 0,sticky = W)

if __name__ == "__main__":
    root = Tk()
    Indexpage(root)
    mainloop()

沫颜之瞳

明白了,要单独给canvas做grid