Python 选择转盘中某一个方框，来进行抽奖示例

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import tkinter
#导入线程模块
import threading
import time  #导入代码的sleep 代码休眠
 
root = tkinter.Tk()
root.title('大转盘')
root.minsize(300,300)
 
#摆放按钮
btn1 = tkinter.Button(root,text = '樱桃',bg = 'red')
btn1.place(x = 20,y = 20,width = 50,height = 50)
 
btn2 = tkinter.Button(root,text = '香蕉',bg = 'white')
btn2.place(x = 90,y = 20,width = 50,height = 50)
 
btn3 = tkinter.Button(root,text = '苹果',bg = 'white')
btn3.place(x = 160,y = 20,width = 50,height = 50)
 
btn4 = tkinter.Button(root,text = '西瓜',bg = 'white')
btn4.place(x = 230,y = 20,width = 50,height = 50)
 
btn5 = tkinter.Button(root,text = '鸭梨',bg = 'white')
btn5.place(x = 230,y = 90,width = 50,height = 50)
 
btn6 = tkinter.Button(root,text = '榴莲',bg = 'white')
btn6.place(x = 230,y = 160,width = 50,height = 50)
 
btn7 = tkinter.Button(root,text = '柚子',bg = 'white')
btn7.place(x = 230,y = 230,width = 50,height = 50)
 
btn8 = tkinter.Button(root,text = '葡萄',bg = 'white')
btn8.place(x = 160,y = 230,width = 50,height = 50)
 
btn9 = tkinter.Button(root,text = '草莓',bg = 'white')
btn9.place(x = 90,y = 230,width = 50,height = 50)
 
btn10 = tkinter.Button(root,text = '芒果',bg = 'white')
btn10.place(x = 20,y = 230,width = 50,height = 50)
 
btn11 = tkinter.Button(root,text = '荔枝',bg = 'white')
btn11.place(x = 20,y = 160,width = 50,height = 50)
 
btn12 = tkinter.Button(root,text = '甘蔗',bg = 'white')
btn12.place(x = 20,y = 90,width = 50,height = 50)
 
#将所有选项组成列表
fruitlists = [btn1,btn2,btn3,btn4,btn5,btn6,btn7,btn8,btn9,btn10,btn11,btn12]
 
#是否开启循环的标志
isloop = False
#是否停止标志
stopsign=False    #是否接收到 stop信号
#存储停止id------用于进行stop后的重新启动
stopid=None
def round():
    global isloop
    global stopid
    #判断是否开始循环
    if isloop == True:
        return
    i=1
    if isinstance(stopid,int):
        i=stopid
    while True:
        #延时操作
        time.sleep(0.2)
        #将所有的组件背景变为白色
        for x in fruitlists:
            x['bg'] = 'white'
        #将当前数值对应的组件变色
        fruitlists[i]['bg'] = 'red'
        #变量+1
        i += 1
        print('当前i为',i) #当前i，用来追踪当前位置
        #如果i大于最大索引直接归零
        if i >= len(fruitlists):
            i = 0
        if stopsign == True:#当停止标志 为真时
            isloop=False
            stopid =i#赋值stopid
            break
def stop1():
    global stopsign
 
    if stopsign ==True:#当多接收stop1（）函数时 ，直接跳过
        return
    stopsign=True
#建立一个新线程的函数
def newtask():
    global isloop
    global stopsign
    #建立线程
    stopsign=False
    #print(stopsign)  #打印 点击开始时的stopsign
    t = threading.Thread(target = round)
    #开启线程运行
    t.start()
    # 设置循环开始标志
    isloop = True
 
 
 
 
 
#开始按钮
btn_start = tkinter.Button(root,text = 'start',command = newtask)
btn_start.place(x = 90,y = 125,width = 50,height = 50)
 
#停止按钮
btn_stop = tkinter.Button(root,text = 'stop',command=stop1)
btn_stop.place(x = 160,y = 125,width = 50,height = 50)
 
root.mainloop()
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