关于入门学习Python第一阶01初识Python的两个turtle绘制图片的源代码

用Python的turtle模块绘制国旗

"""
用Python的turtle模块绘制国旗
"""
import turtle  # 首先要导入turtle模块


def draw_rectangle(x, y, width, height):
    """绘制矩形"""
    turtle.goto(x, y)
    turtle.pencolor('red')
    turtle.fillcolor('red')
    turtle.begin_fill()
    for i in range(2):
        turtle.forward(width)
        turtle.left(90)
        turtle.forward(height)
        turtle.left(90)
    turtle.end_fill()


def draw_star(x, y, radius):
    """绘制五角星"""
    turtle.setpos(x, y)
    pos1 = turtle.pos()
    turtle.circle(-radius, 72)
    pos2 = turtle.pos()
    turtle.circle(-radius, 72)
    pos3 = turtle.pos()
    turtle.circle(-radius, 72)
    pos4 = turtle.pos()
    turtle.circle(-radius, 72)
    pos5 = turtle.pos()
    turtle.color('yellow', 'yellow')
    turtle.begin_fill()
    turtle.goto(pos3)
    turtle.goto(pos1)
    turtle.goto(pos4)
    turtle.goto(pos2)
    turtle.goto(pos5)
    turtle.end_fill()


def main():
    """主程序"""
    turtle.speed(12)
    turtle.penup()
    x, y = -270, -180
    # 画国旗主体
    width, height = 540, 360
    draw_rectangle(x, y, width, height)
    # 画大星星
    pice = 22
    center_x, center_y = x + 5 * pice, y + height - pice * 5
    turtle.goto(center_x, center_y)
    turtle.left(90)
    turtle.forward(pice * 3)
    turtle.right(90)
    draw_star(turtle.xcor(), turtle.ycor(), pice * 3)
    x_poses, y_poses = [10, 12, 12, 10], [2, 4, 7, 9]
    # 画小星星
    for x_pos, y_pos in zip(x_poses, y_poses):
        turtle.goto(x + x_pos * pice, y + height - y_pos * pice)
        turtle.left(turtle.towards(center_x, center_y) - turtle.heading())
        turtle.forward(pice)
        turtle.right(90)
        draw_star(turtle.xcor(), turtle.ycor(), pice)
    # 隐藏海龟
    turtle.ht()
    # 显示绘图窗口
    turtle.mainloop()


if __name__ == '__main__':
    main()

用Python的turtle模块绘制小猪佩奇

"""
绘制小猪佩奇
"""
from turtle import *  # 首先导入turtle模块


def nose(x,y):
    """画鼻子"""
    penup()
    # 将海龟移动到指定的坐标
    goto(x,y)
    pendown()
    # 设置海龟的方向（0-东、90-北、180-西、270-南）
    setheading(-30)
    begin_fill()
    a = 0.4
    for i in range(120):
        if 0 <= i < 30 or 60 <= i <90:
            a = a + 0.08
            # 向左转3度
            left(3)
            # 向前走
            forward(a)
        else:
            a = a - 0.08
            left(3)
            forward(a)
    end_fill()
    penup()
    setheading(90)
    forward(25)
    setheading(0)
    forward(10)
    pendown()
    # 设置画笔的颜色(红, 绿, 蓝)
    pencolor(255, 155, 192)
    setheading(10)
    begin_fill()
    circle(5)
    color(160, 82, 45)
    end_fill()
    penup()
    setheading(0)
    forward(20)
    pendown()
    pencolor(255, 155, 192)
    setheading(10)
    begin_fill()
    circle(5)
    color(160, 82, 45)
    end_fill()


def head(x, y):
    """画头"""
    color((255, 155, 192), "pink")
    penup()
    goto(x,y)
    setheading(0)
    pendown()
    begin_fill()
    setheading(180)
    circle(300, -30)
    circle(100, -60)
    circle(80, -100)
    circle(150, -20)
    circle(60, -95)
    setheading(161)
    circle(-300, 15)
    penup()
    goto(-100, 100)
    pendown()
    setheading(-30)
    a = 0.4
    for i in range(60):
        if 0<= i < 30 or 60 <= i < 90:
            a = a + 0.08
            lt(3) #向左转3度
            fd(a) #向前走a的步长
        else:
            a = a - 0.08
            lt(3)
            fd(a)
    end_fill()


def ears(x,y):
    """画耳朵"""
    color((255, 155, 192), "pink")
    penup()
    goto(x, y)
    pendown()
    begin_fill()
    setheading(100)
    circle(-50, 50)
    circle(-10, 120)
    circle(-50, 54)
    end_fill()
    penup()
    setheading(90)
    forward(-12)
    setheading(0)
    forward(30)
    pendown()
    begin_fill()
    setheading(100)
    circle(-50, 50)
    circle(-10, 120)
    circle(-50, 56)
    end_fill()


def eyes(x,y):
    """画眼睛"""
    color((255, 155, 192), "white")
    penup()
    setheading(90)
    forward(-20)
    setheading(0)
    forward(-95)
    pendown()
    begin_fill()
    circle(15)
    end_fill()
    color("black")
    penup()
    setheading(90)
    forward(12)
    setheading(0)
    forward(-3)
    pendown()
    begin_fill()
    circle(3)
    end_fill()
    color((255, 155, 192), "white")
    penup()
    seth(90)
    forward(-25)
    seth(0)
    forward(40)
    pendown()
    begin_fill()
    circle(15)
    end_fill()
    color("black")
    penup()
    setheading(90)
    forward(12)
    setheading(0)
    forward(-3)
    pendown()
    begin_fill()
    circle(3)
    end_fill()


def cheek(x,y):
    """画脸颊"""
    color((255, 155, 192))
    penup()
    goto(x,y)
    pendown()
    setheading(0)
    begin_fill()
    circle(30)
    end_fill()


def mouth(x,y):
    """画嘴巴"""
    color(239, 69, 19)
    penup()
    goto(x, y)
    pendown()
    setheading(-80)
    circle(30, 40)
    circle(40, 80)


def setting():
    """设置参数"""
    pensize(4)
    # 隐藏海龟
    hideturtle()
    colormode(255)
    color((255, 155, 192), "pink")
    setup(840, 500)
    speed(10)


def main():
    """主函数"""
    setting() 
    nose(-100, 100)
    head(-69, 167)
    ears(0, 160)
    eyes(0, 140)
    cheek(80, 10)
    mouth(-20, 30)
    done()


if __name__ == '__main__':
    main()

最后

这里分享了两个用turtle模块绘制图形的源代码，大家可以先通过这些简单的代码去迅速熟悉Python代码的组成，如果有不懂的地方可以随时在评论区与我交流，看到后会及时回复。把自己有疑惑的地方记录下来，后续的文章一定会把你的问题一一解惑。持续关注我的博客，会系统性的分享Python的知识和学习经验，最后谢谢大家的关注。我们大家一起努力！！！