import turtle
import random

# 设置屏幕
turtle.bgpic("树干.png")

# 创建画笔
pen = turtle.Turtle()
# 隐藏画笔
pen.hideturtle()

# 创建颜色列表
colors = ["red", "orange", "green", "blue", "purple", "pink", "black"]


# 画花花
def draw_flower(x, y):
    # 移动画笔但不绘制
    pen.penup()
    pen.goto(x, y)
    pen.pendown()

    # 随机选择花瓣颜色
    pen_color = random.choice(colors)
    # 设置画笔和填充颜色
    pen.color(pen_color)

    # 开始填充颜色
    pen.begin_fill()
    # 画出一个小花
    for i in range(5):
        pen.circle(10)
        pen.right(72)
    # 填充完成
    pen.end_fill()

    # 绘制黄色花蕊
    pen.color("yellow")
    pen.dot(8)


# 窗口点击事件监听
turtle.onscreenclick(draw_flower)

# 将窗口刷新关闭
turtle.tracer(0)

# 停止画笔绘制，但绘图窗体不关闭
turtle.done()