python交互式图形编程实例(一)
本文实例为大家分享了python交互式图形编程的具体代码,供大家参考,具体内容如下
#!/usr/bin/envpython3#-*-coding:utf-8-*- #温度转换 fromgraphicsimport* win=GraphWin("摄氏温度转换器",400,300) win.setCoords(0.0,0.0,3.0,4.0) #绘制接口 Text(Point(1,3),"摄氏温度:").draw(win) Text(Point(1,1),"华氏温度:").draw(win) input=Entry(Point(2,3),5) input.setText("0.0") input.draw(win) output=Text(Point(2,1),"") output.draw(win) button=Text(Point(1.5,2.0),"转换") button.draw(win) Rectangle(Point(1,1.5),Point(2,2.5)).draw(win) #等待鼠标点击 win.getMouse() #转换输入 celsius=eval(input.getText()) fahrenheit=9.0/5.0*celsius+32.0 #显示输出,改变按钮 output.setText(fahrenheit) button.setText("退出") #等待响应鼠标点击,退出程序 win.getMouse() win.close()
#!/usr/bin/envpython3 #-*-coding:utf-8-*- #方块移动 fromtkinterimport* defmain(): tk=Tk() canvas=Canvas(tk,width=400,height=400) canvas.pack() defmoverectangle(event): ifevent.keysym=="Up": canvas.move(1,0,-5) elifevent.keysym=="Down": canvas.move(1,0,5) elifevent.keysym=="Left": canvas.move(1,-5,0) elifevent.keysym=="Right": canvas.move(1,5,0) canvas.create_rectangle(180,180,220,220,fill="red") canvas.bind_all("",moverectangle) canvas.bind_all(" ",moverectangle) canvas.bind_all(" ",moverectangle) canvas.bind_all(" ",moverectangle) tk.mainloop() if__name__=='__main__': main()
#!/usr/bin/envpython3 #-*-coding:utf-8-*- fromgraphicsimport* defconvert(input): celsius=eval(input.getText())#输入转换 fahrenheit=9.0/5.0*celsius+32 returnfahrenheit defcolorChange(win,input): cnum=eval(input.getText()) weight=cnum/100.0 newcolor=color_rgb(int(255*weight),int(66+150*(1-weight)),int(255*(1-weight))) win.setBackground(newcolor) defmain(): win=GraphWin("摄氏温度转换",400,300) win.setCoords(0.0,0.0,3.0,4.0) #绘制输入接口 Text(Point(1,3), "摄氏温度:").draw(win) Text(Point(2,2.7), "(请输入:0.0-100.0)").draw(win) Text(Point(1,1), "华氏温度:").draw(win) input=Entry(Point(2,3),5) input.setText("0.0") input.draw(win) output=Text(Point(2,1),"") output.draw(win) button=Text(Point(1.5,2.0),"转换") button.draw(win) rect=Rectangle(Point(1,1.5),Point(2,2.5)) rect.draw(win) #等待鼠标点击 win.getMouse() result=convert(input)#转换输入 output.setText(result)#显示输出 #改变颜色 colorChange(win,input) #改变按钮字体 button.setText("退出") #等待点击事件,退出程序 win.getMouse() win.close() if__name__=='__main__': main()
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持毛票票。