python交互式图形编程实例（二）

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#画个笑脸

from graphics import *
win = GraphWin()
face = Circle(Point(100,95),50)
leftEye = Circle(Point(80,80),5)
leftEye.setFill("yellow")
leftEye.setOutline("red")
rightEye = Circle(Point(120,5)
rightEye.setFill("yellow")
rightEye.setOutline("red")
mouth = Line(Point(80,110),Point(120,110))

face.draw(win)
mouth.draw(win)
leftEye.draw(win)
rightEye.draw(win)
win.mainloop()

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#鼠标点击，返回其坐标值
from graphics import *
def main():
  win = GraphWin("Click Me!")
  for i in range(10):
    p = win.getMouse()
    print("你点击的位置：",p.getX(),p.getY())

if __name__ == '__main__':
  main()

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#鼠标点击，返回其坐标值
from graphics import *

win = GraphWin("画一个多边形",300,300)
win.setCoords(0.0,0.0,300.0,300.0)
message = Text(Point(150,20),"点击五次")
message.draw(win)

#获得多边形的5个点
p1 = win.getMouse()
p1.draw(win)
p2 = win.getMouse()
p2.draw(win)
p3 = win.getMouse()
p3.draw(win)
p4 = win.getMouse()
p4.draw(win)
p5 = win.getMouse()
p5.draw(win)

#使用Polygon对象绘制多边形
polygon = Polygon(p1,p2,p3,p4,p5)
polygon.setFill("black")
polygon.setOutline("red")
polygon.draw(win)

#等待响应鼠标事件，退出程序
message.setText("点击任何地方退出")
win.getMouse()

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# 画几何图形
import turtle
 
def main():
  turtle.pensize(3)
  turtle.penup()
  turtle.goto(-200,-50)
  turtle.pendown()
  turtle.begin_fill()
  turtle.color("red")
  turtle.circle(40,steps=3)
  turtle.end_fill()
 
 
  turtle.penup()
  turtle.goto(-100,-50)
  turtle.pendown()
  turtle.begin_fill()
  turtle.color("blue")
  turtle.circle(40,steps=4)
  turtle.end_fill()
 
  turtle.penup()
  turtle.goto(0,-50)
  turtle.pendown()
  turtle.begin_fill()
  turtle.color("green")
  turtle.circle(40,steps=5)
  turtle.end_fill()
 
  turtle.penup()
  turtle.goto(100,-50)
  turtle.pendown()
  turtle.begin_fill()
  turtle.color("yellow")
  turtle.circle(40,steps=6)
  turtle.end_fill()
 
  turtle.penup()
  turtle.goto(200,-50)
  turtle.pendown()
  turtle.begin_fill()
  turtle.color("purple")
  turtle.circle(40)
  turtle.end_fill()
 
  turtle.color("green")
  turtle.penup()
  turtle.goto(-100,50)
  turtle.pendown()
  turtle.write(("Cool Colorful shapes"),font = ("Times",18,"bold"))
  turtle.hideturtle()
 
  turtle.done()
 
if __name__ == '__main__':
  main()

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#模拟聊天框
from tkinter import *
import time
 
def main():
 
 def sendMsg():#发送消息
  strMsg = '我:' + time.strftime("%Y-%m-%d %H:%M:%S",time.localtime()) + 'n '
  txtMsgList.insert(END,strMsg,'greencolor')
  txtMsgList.insert(END,txtMsg.get('0.0',END))
  txtMsg.delete('0.0',END)
   
 def cancelMsg():#取消消息
  txtMsg.delete('0.0',END)
 
 def sendMsgEvent(event): #发送消息事件
  if event.keysym == "Up":
   sendMsg()
 
 #创建窗口 
 t = Tk()
 t.title('与python聊天中')
    
 #创建frame容器
 frmLT = Frame(width=500,height=320,bg='white')
 frmLC = Frame(width=500,height=150,bg='white')
 frmLB = Frame(width=500,height=30)
 frmRT = Frame(width=200,height=500)
  
 #创建控件
 txtMsgList = Text(frmLT)
 txtMsgList.tag_config('greencolor',foreground='#008C00')#创建tag
 txtMsg = Text(frmLC);
 txtMsg.bind("<KeyPress-Up>",sendMsgEvent)
 btnSend = Button(frmLB,text='发 送',width = 8,command=sendMsg)
 btnCancel = Button(frmLB,text='取消',command=cancelMsg)
 imgInfo = PhotoImage(file = "python.gif")
 lblImage = Label(frmRT,image = imgInfo)
 lblImage.image = imgInfo
 
 #窗口布局
 frmLT.grid(row=0,column=0,columnspan=2,padx=1,pady=3)
 frmLC.grid(row=1,pady=3)
 frmLB.grid(row=2,columnspan=2)
 frmRT.grid(row=0,column=2,rowspan=3,padx=2,pady=3)
 #固定大小
 frmLT.grid_propagate(0)
 frmLC.grid_propagate(0)
 frmLB.grid_propagate(0)
 frmRT.grid_propagate(0)
  
 btnSend.grid(row=2,column=0)
 btnCancel.grid(row=2,column=1)
 lblImage.grid()
 txtMsgList.grid()
 txtMsg.grid()
 
 #主事件循环
 t.mainloop()
 
if __name__ == '__main__':
  main()