import tkinter as tk                    # 导入tkinter库，并重命名为tk  from tkinter import messagebox          # 导入messagebox模块  mywindow = tk.Tk()                      # 创建一个窗体  mywindow.title("绘制椭圆")              # 设置窗体的标题  # 创建画布并布局  mycanvas = tk.Canvas(mywindow,width=350,height=350,bg="white")  mycanvas.pack()  # 绘制椭圆  myoval = mycanvas.create_oval(10,20,340,300)   # create_oval()方法绘制椭圆  # 设置椭圆边框的宽度和颜色  myova2 = mycanvas.create_oval(30,50,320,280,width=5)  myova3 = mycanvas.create_oval(50,70,320,260,width=5,outline="red")  # 设置椭圆的边框是否是虚线  myova4 = mycanvas.create_oval(70,90,300,240,width=8,outline="red",dash=(5,3))  # 设置椭圆的填充色  myova5 = mycanvas.create_oval(100,120,260,200,width=8,outline="blue",dash=(5,3),fill="purple")  # 绘制圆  myova6 = mycanvas.create_oval(140,140,180,180,width=5,outline="red")     mywindow.mainloop()      # 显示画布

import tkinter as tk                    # 导入tkinter库，并重命名为tk  from tkinter import messagebox          # 导入messagebox模块  mywindow = tk.Tk()                      # 创建一个窗体  mywindow.title("绘制矩形")               # 设置窗体的标题  # 创建画布并布局  mycanvas = tk.Canvas(mywindow, width=350, height=350, bg="purple")  mycanvas.pack()  # 绘制矩形  a = 10         # 定义两个整型变量  b = 340  # 利用for循环结制多个矩形  for i in range(a, b, 20):      mycanvas.create_rectangle(a+i, a+i, b-i, b-i)   # .create_rectangle()方法可以绘制矩形     mywindow.mainloop()      # 显示画布

import tkinter as tk                     # 导入tkinter库，并重命名为tk  mywindow = tk.Tk()                       # 创建一个窗体  mywindow.title("绘制多边形")              # 设置窗体的标题  # 创建画布并布局  mycanvas = tk.Canvas(mywindow, width=250, height=250, bg="white")  mycanvas.pack()     # 绘制多边形  mycanvas.create_polygon(80,80,80,180,130,220,180,180,180,80,130,40, fill="purple",width=5,outline="red")     mywindow.mainloop()      # 显示画布