33 lines
666 B
Python
33 lines
666 B
Python
'''
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【程序57】
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题目：画图，学用line画直线。
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1.程序分析：
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2.程序源代码：
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'''
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if __name__ == '__main__':
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from Tkinter import *
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canvas = Canvas(width=300, height=300, bg='green')
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canvas.pack(expand=YES, fill=BOTH)
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x0 = 263
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y0 = 263
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y1 = 275
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x1 = 275
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for i in range(19):
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canvas.create_line(x0,y0,x0,y1, width=1, fill='red')
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x0 = x0 - 5
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y0 = y0 - 5
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x1 = x1 + 5
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y1 = y1 + 5
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x0 = 263
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y1 = 275
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y0 = 263
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for i in range(21):
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canvas.create_line(x0,y0,x0,y1,fill = 'red')
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x0 += 5
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y0 += 5
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y1 += 5
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mainloop()
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