七段数码管(seven-segmentindicator)由7段数码管拼接而成,每段有亮或不亮两种情况,改进型的七段数码管还包括一个小数点位置
绘制模式:
input:输入当前日期的数字形式
process:根据每个数字绘制七段数码管表示
output:绘制当前日期的七段数码管表示
示例一:
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#DrawSevenSegDisplay.py import turtle, datetime def drawLine(draw): #绘制单段数码管 turtle.pendown() if draw else turtle.penup() turtle.fd( 40 ) turtle.right( 90 ) def drawDigit(digit): #根据数字绘制七段数码管 drawLine( True ) if digit in [ 2 , 3 , 4 , 5 , 6 , 8 , 9 ] else drawLine( False ) drawLine( True ) if digit in [ 0 , 1 , 3 , 4 , 5 , 6 , 7 , 8 , 9 ] else drawLine( False ) drawLine( True ) if digit in [ 0 , 2 , 3 , 5 , 6 , 8 , 9 ] else drawLine( False ) drawLine( True ) if digit in [ 0 , 2 , 6 , 8 ] else drawLine( False ) turtle.left( 90 ) drawLine( True ) if digit in [ 0 , 4 , 5 , 6 , 8 , 9 ] else drawLine( False ) drawLine( True ) if digit in [ 0 , 2 , 3 , 5 , 6 , 7 , 8 , 9 ] else drawLine( False ) drawLine( True ) if digit in [ 0 , 1 , 2 , 3 , 4 , 7 , 8 , 9 ] else drawLine( False ) turtle.left( 180 ) turtle.penup() turtle.fd( 20 ) def drawDate(date): #获得要输出的数字 for i in date: drawDigit( eval (i)) #注意: 通过eval()函数将数字变为整数 def main(): turtle.setup( 800 , 350 , 200 , 200 ) turtle.penup() turtle.fd( - 300 ) turtle.pensize( 5 ) drawDate(datetime.datetime.now().strftime( '%Y%m%d' )) turtle.hideturtle() main() |
效果展示:
示例二:
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#DrawSevenSegDisplay.py import turtle, datetime def drawGap(): #绘制数码管间隔 turtle.penup() turtle.fd( 5 ) def drawLine(draw): #绘制单段数码管 drawGap() turtle.pendown() if draw else turtle.penup() turtle.fd( 40 ) drawGap() turtle.right( 90 ) def drawDigit(d): #根据数字绘制七段数码管 drawLine( True ) if d in [ 2 , 3 , 4 , 5 , 6 , 8 , 9 ] else drawLine( False ) drawLine( True ) if d in [ 0 , 1 , 3 , 4 , 5 , 6 , 7 , 8 , 9 ] else drawLine( False ) drawLine( True ) if d in [ 0 , 2 , 3 , 5 , 6 , 8 , 9 ] else drawLine( False ) drawLine( True ) if d in [ 0 , 2 , 6 , 8 ] else drawLine( False ) turtle.left( 90 ) drawLine( True ) if d in [ 0 , 4 , 5 , 6 , 8 , 9 ] else drawLine( False ) drawLine( True ) if d in [ 0 , 2 , 3 , 5 , 6 , 7 , 8 , 9 ] else drawLine( False ) drawLine( True ) if d in [ 0 , 1 , 2 , 3 , 4 , 7 , 8 , 9 ] else drawLine( False ) turtle.left( 180 ) turtle.penup() turtle.fd( 20 ) def drawDate(date): turtle.pencolor( "red" ) for i in date: if i = = '-' : turtle.write( '年' ,font = ( "Arial" , 18 , "normal" )) turtle.pencolor( "green" ) turtle.fd( 40 ) elif i = = '=' : turtle.write( '月' ,font = ( "Arial" , 18 , "normal" )) turtle.pencolor( "blue" ) turtle.fd( 40 ) elif i = = '+' : turtle.write( '日' ,font = ( "Arial" , 18 , "normal" )) else : drawDigit( eval (i)) def main(): turtle.setup( 800 , 350 , 200 , 200 ) turtle.penup() turtle.fd( - 350 ) turtle.pensize( 5 ) drawDate(datetime.datetime.now().strftime( '%Y-%m=%d+' )) turtle.hideturtle() main() |
效果展示:
总结
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原文链接:http://blog.csdn.net/sinat_38163598/article/details/69787843