使用Rectangle()函数在python中绘制具有不同边框样式的矩形

在Python中，我们可以使用turtle库来进行绘图，使用其中的Rectangle()函数绘制矩形，并使用不同的边框样式。

首先，我们需要导入turtle库，并创建一个画布和一个画笔对象：

import turtle

canvas = turtle.Screen()
pen = turtle.Turtle()

接下来，我们可以定义一个函数来绘制矩形，并设置不同的边框样式。在turtle库中，可以使用setpenstyle()函数来设置边框样式，其中边框样式可以是以下之一：

- 'solid'：实线

- 'dashed'：虚线

- 'dotted'：点线

- 'dashdot'：虚点线

- 'dashdotdot'：双点线

def draw_rectangle(width, height, border_style):
    pen.penup()
    pen.goto(-width / 2, -height / 2)
    pen.pendown()
    
    pen.pensize(3)
    
    if border_style == 'solid':
        pen.pendown()
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
    elif border_style == 'dashed':
        pen.penup()
        pen.forward(width)
        pen.pendown()
        pen.setpenstyle(2, (10, 5))
        pen.forward(height)
        pen.right(90)
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
    elif border_style == 'dotted':
        for i in range(4):
            pen.pendown()
            pen.forward(width)
            pen.penup()
            pen.forward(10)
    elif border_style == 'dashdot':
        pen.setpenstyle(4, (20, 10, 10, 10))
        pen.pendown()
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
    elif border_style == 'dashdotdot':
        pen.setpenstyle(5, (20, 10, 10, 10, 10, 10))
        pen.pendown()
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
    else:
        print('Invalid border style.')

    pen.penup()
    pen.goto(0, 0)

上述函数根据不同的边框样式设置了不同的绘制方式，并使用pen.setpenstyle()函数来设置虚线样式。注意，当边框样式为'dotted'时，我们使用了一个循环来绘制四个边框。

接下来，我们可以使用上述函数来绘制具有不同边框样式的矩形。例如，我们可以绘制一个宽度为200，高度为100的矩形，边框样式为'dashed'：

draw_rectangle(200, 100, 'dashed')

使用不同的参数，我们可以绘制具有不同边框样式的矩形。下面是一个完整的例子，展示了如何绘制具有不同边框样式的矩形：

import turtle

canvas = turtle.Screen()
pen = turtle.Turtle()

def draw_rectangle(width, height, border_style):
    pen.penup()
    pen.goto(-width / 2, -height / 2)
    pen.pendown()
    
    pen.pensize(3)
    
    if border_style == 'solid':
        pen.pendown()
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
    elif border_style == 'dashed':
        pen.penup()
        pen.forward(width)
        pen.pendown()
        pen.setpenstyle(2, (10, 5))
        pen.forward(height)
        pen.right(90)
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
    elif border_style == 'dotted':
        for i in range(4):
            pen.pendown()
            pen.forward(width)
            pen.penup()
            pen.forward(10)
    elif border_style == 'dashdot':
        pen.setpenstyle(4, (20, 10, 10, 10))
        pen.pendown()
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
    elif border_style == 'dashdotdot':
        pen.setpenstyle(5, (20, 10, 10, 10, 10, 10))
        pen.pendown()
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
        pen.forward(width)
        pen.right(90)
        pen.forward(height)
        pen.right(90)
    else:
        print('Invalid border style.')

    pen.penup()
    pen.goto(0, 0)

draw_rectangle(200, 100, 'solid')
draw_rectangle(200, 100, 'dashed')
draw_rectangle(200, 100, 'dotted')
draw_rectangle(200, 100, 'dashdot')
draw_rectangle(200, 100, 'dashdotdot')

turtle.done()

以上代码会绘制5个矩形，每个矩形的边框样式不同。

希望本文对您有所帮助，祝学习愉快！