【Python基础】1.4.2 温度转换程序及其关联颜色升级版

from graphics import *

#绘制窗口
win = GraphWin("Celsius Converter", 400, 300)
win.setCoords(0.0, 0.0, 3.0, 4.0)
# 绘制接口
Text(Point(1,3), " Celsius Temperature:").draw(win)
Text(Point(1,1), "Fahrenheit Temperature:").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),"Convert It")
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("Quit")
# 等待响应鼠标点击，退出程序
win.getMouse()
win.close()

from graphics import *

def convert(input):
celsius = eval(input.getText())    # 输入转换
fahrenheit = 9.0/5.0 * celsius + 32
return fahrenheit
def colorChange(win,input):
cnum = eval(input.getText())
weight = cnum / 100.0
newcolor =color_rgb(255*weight,66+150*(1-weight),255*(1-weight))
win.setBackground(newcolor)
def main():
win = GraphWin("Celsius Converter", 400, 300)
win.setCoords(0.0, 0.0, 3.0, 4.0)
# 绘制输入接口
Text(Point(1,3),
" Celsius Temperature:").draw(win)
Text(Point(2,2.7),
" (Please input 0.0-100.0 )").draw(win)
Text(Point(1,1),
"Fahrenheit Temperature:").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),"Convert It")
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("Quit")
# 等待点击事件，退出程序
win.getMouse()
win.close()

if __name__ == '__main__':
main()