tkinter库绘图

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