import tkinter as tk import random import math # 窗口主程序 class LuckyWheel: def __init__(self, root): self.root = root self.root.title("转盘抽奖系统") self.root.geometry("550x650") self.root.resizable(False, False) # 转盘参数设置 self.wheel_r = 200 # 转盘半径 self.center_x = 270 self.center_y = 270 # 抽奖奖项配置（可自行修改奖项和对应概率） self.prize_list = [ ("一等奖 手机", 5), ("二等奖 耳机", 10), ("三等奖 充电宝", 15), ("四等奖 水杯", 20), ("谢谢参与", 30), ("优惠券一张", 20) ] self.color_list = ["#FF6B6B", "#4ECDC4", "#45B7D1", "#FFA07A", "#98D8C8", "#F7DC6F"] self.section_num = len(self.prize_list) self.each_angle = 360 / self.section_num # 转盘旋转相关变量 self.total_rotate = 0 # 累计旋转角度 self.is_spinning = False self.speed = 0 self.target_angle = 0 # 绘制画布 self.canvas = tk.Canvas(root, width=540, height=540, bg="white") self.canvas.pack(pady=10) self.draw_wheel() self.draw_pointer() # 底部控件区域 frame_bottom = tk.Frame(root) frame_bottom.pack(pady=5) self.result_var = tk.StringVar(value="等待抽奖...") tk.Label(frame_bottom, textvariable=self.result_var, font=("微软雅黑", 14, "bold"), fg="red").grid(row=0, column=0, columnspan=2, pady=8) self.btn_start = tk.Button(frame_bottom, text="开始抽奖", width=12, height=2, font=("微软雅黑",12), bg="#28a745", fg="white", command=self.start_spin) self.btn_start.grid(row=1, column=0, padx=10) self.btn_stop = tk.Button(frame_bottom, text="停止抽奖", width=12, height=2, font=("微软雅黑",12), bg="#dc3545", fg="white", command=self.stop_spin, state="disabled") self.btn_stop.grid(row=1, column=1, padx=10) # 绘制转盘扇形区块 def draw_wheel(self): self.canvas.delete("wheel") for index in range(self.section_num): start = self.total_rotate + index * self.each_angle end = start + self.each_angle # 绘制扇形 self.canvas.create_arc( self.center_x - self.wheel_r, self.center_y - self.wheel_r, self.center_x + self.wheel_r, self.center_y + self.wheel_r, start=start, extent=self.each_angle, fill=self.color_list[index], tags="wheel", outline="white", width=2 ) # 计算文字位置 mid_angle = math.radians(start + self.each_angle / 2) text_r = self.wheel_r * 0.65 tx = self.center_x + text_r * math.cos(mid_angle) ty = self.center_y - text_r * math.sin(mid_angle) self.canvas.create_text(tx, ty, text=self.prize_list[index][0], font=("微软雅黑",9,"bold"), fill="white", tags="wheel") # 外圈边框 self.canvas.create_oval( self.center_x - self.wheel_r - 5, self.center_y - self.wheel_r -5, self.center_x + self.wheel_r +5, self.center_y + self.wheel_r +5, outline="#333333", width=4, tags="wheel" ) # 绘制中奖指针 def draw_pointer(self): self.canvas.delete("pointer") p_x1, p_y1 = self.center_x, self.center_y - self.wheel_r + 10 p_x2, p_y2 = self.center_x - 18, self.center_y - self.wheel_r - 25 p_x3, p_y3 = self.center_x + 18, self.center_y - self.wheel_r - 25 self.canvas.create_polygon(p_x1,p_y1, p_x2,p_y2, p_x3,p_y3, fill="#ff3333", tags="pointer") self.canvas.create_oval(self.center_x-12, self.center_y-12, self.center_x+12, self.center_y+12, fill="#222222", tags="pointer") # 开始旋转 def start_spin(self): if self.is_spinning: return self.is_spinning = True self.btn_start.config(state="disabled") self.btn_stop.config(state="normal") self.result_var.set("抽奖进行中...") self.speed = random.randint(12, 18) # 随机目标停止角度（多转几圈再停下） self.target_angle = self.total_rotate + random.randint(1080, 2520) self.animate_wheel() # 转盘动画循环 def animate_wheel(self): if not self.is_spinning: return self.total_rotate += self.speed self.draw_wheel() # 逐渐减速 if self.total_rotate >= self.target_angle: self.speed *= 0.96 if self.speed < 0.3: self.is_spinning = False self.calc_prize() self.btn_start.config(state="normal") self.btn_stop.config(state="disabled") return self.root.after(15, self.animate_wheel) # 手动立刻停止 def stop_spin(self): if not self.is_spinning: return self.target_angle = self.total_rotate + random.randint(180, 720) self.speed = 6 # 根据指针位置计算中奖奖项 def calc_prize(self): fix_angle = (360 - (self.total_rotate % 360)) % 360 prize_index = int(fix_angle // self.each_angle) prize_name = self.prize_list[prize_index][0] self.result_var.set(f"🎉 恭喜中奖：{prize_name}") if __name__ == "__main__": main_window = tk.Tk() app = LuckyWheel(main_window) main_window.mainloop()