Roll_Call_System/plus.py

import tkinter as tk
import random
import math
import time


class RouletteApp:
    def __init__(self, root):
        self.root = root
        self.root.title("大转盘点名系统")
        self.root.geometry("600x650")

        # 学生名单
        self.students = [
            "张三", "李四", "王五", "赵六"

        ]

        # 颜色列表
        self.colors = [
            "#FF9999", "#99FF99", "#9999FF", "#FF99FF"
        ]

        # 创建画布
        self.canvas = tk.Canvas(root, width=500, height=500, bg="white")
        self.canvas.pack(pady=20)

        # 创建按钮
        self.spin_button = tk.Button(root, text="开始旋转", command=self.start_spin,
                                     font=("Arial", 14), bg="#4CAF50", fg="white")
        self.spin_button.pack(pady=10)

        # 创建结果显示标签
        self.result_label = tk.Label(root, text="等待旋转...",
                                     font=("Arial", 16, "bold"), fg="#333333")
        self.result_label.pack(pady=10)

        # 绘制初始转盘
        self.draw_roulette()

        # 旋转状态变量
        self.is_spinning = False
        self.spin_speed = 0
        self.selected_student = ""

    def draw_roulette(self):
        """绘制转盘"""
        self.canvas.delete("all")  # 清除画布

        # 计算每个扇区的角度
        angle_per_sector = 360 / len(self.students)

        # 绘制扇区
        for i in range(len(self.students)):
            start_angle = i * angle_per_sector
            self.canvas.create_arc(
                50, 50, 450, 450,
                start=start_angle,
                extent=angle_per_sector,
                fill=self.colors[i % len(self.colors)],
                outline="black"
            )

            # 添加学生姓名
            angle_rad = math.radians(start_angle + angle_per_sector / 2)
            text_x = 250 + 150 * math.cos(angle_rad)
            text_y = 250 + 150 * math.sin(angle_rad)
            self.canvas.create_text(
                text_x, text_y,
                text=self.students[i],
                font=("Arial", 10, "bold"),
                angle=start_angle + angle_per_sector / 2
            )

        # 绘制中心圆
        self.canvas.create_oval(240, 240, 260, 260, fill="#FFFFFF", outline="black")

        # 绘制指针
        self.canvas.create_line(250, 50, 250, 20, width=3, arrow=tk.LAST, fill="red")
        self.canvas.create_polygon(240, 50, 260, 50, 250, 70, fill="red")

    def start_spin(self):
        """开始旋转转盘"""
        if not self.is_spinning:
            self.is_spinning = True
            self.spin_button.config(state=tk.DISABLED)
            self.result_label.config(text="旋转中...")
            self.spin_speed = random.uniform(30, 50)  # 初始旋转速度
            self.spin_roulette()

    def spin_roulette(self):
        """旋转转盘动画"""
        if self.spin_speed > 0.1:
            # 旋转转盘
            self.canvas.delete("all")
            self.draw_rotated_roulette(self.spin_speed)

            # 更新旋转速度（减慢）
            self.spin_speed *= 0.97

            # 继续旋转
            self.root.after(30, self.spin_roulette)
        else:
            # 旋转结束
            self.is_spinning = False
            self.spin_button.config(state=tk.NORMAL)
            self.select_winner()

    def draw_rotated_roulette(self, rotation):
        """绘制旋转后的转盘"""
        # 计算每个扇区的角度
        angle_per_sector = 360 / len(self.students)

        # 绘制扇区
        for i in range(len(self.students)):
            start_angle = i * angle_per_sector + rotation
            self.canvas.create_arc(
                50, 50, 450, 450,
                start=start_angle,
                extent=angle_per_sector,
                fill=self.colors[i % len(self.colors)],
                outline="black"
            )

            # 添加学生姓名
            angle_rad = math.radians(start_angle + angle_per_sector / 2)
            text_x = 250 + 150 * math.cos(angle_rad)
            text_y = 250 + 150 * math.sin(angle_rad)
            self.canvas.create_text(
                text_x, text_y,
                text=self.students[i],
                font=("Arial", 10, "bold"),
                angle=start_angle + angle_per_sector / 2
            )

        # 绘制中心圆
        self.canvas.create_oval(240, 240, 260, 260, fill="#FFFFFF", outline="black")

        # 绘制指针
        self.canvas.create_line(250, 50, 250, 20, width=3, arrow=tk.LAST, fill="red")
        self.canvas.create_polygon(240, 50, 260, 50, 250, 70, fill="red")

    def select_winner(self):
        """随机选择一名学生并显示结果"""
        self.selected_student = random.choice(self.students)
        self.result_label.config(text=f"恭喜！被选中的是: {self.selected_student}", fg="#E91E63")

        # 高亮显示选中的学生
        self.highlight_winner()

    def highlight_winner(self):
        """高亮显示被选中的学生"""
        self.draw_roulette()  # 先绘制正常转盘

        # 找到选中学生的索引
        winner_idx = self.students.index(self.selected_student)
        angle_per_sector = 360 / len(self.students)

        # 绘制高亮扇区
        start_angle = winner_idx * angle_per_sector
        self.canvas.create_arc(
            50, 50, 450, 450,
            start=start_angle,
            extent=angle_per_sector,
            fill="#FFEB3B",  # 黄色高亮
            outline="black",
            width=2
        )

        # 重新添加学生姓名
        angle_rad = math.radians(start_angle + angle_per_sector / 2)
        text_x = 250 + 150 * math.cos(angle_rad)
        text_y = 250 + 150 * math.sin(angle_rad)
        self.canvas.create_text(
            text_x, text_y,
            text=self.selected_student,
            font=("Arial", 10, "bold"),
            fill="red",  # 红色文本
            angle=start_angle + angle_per_sector / 2
        )


if __name__ == "__main__":
    root = tk.Tk()
    app = RouletteApp(root)
    root.mainloop()