tkinter 练习之大转盘

参考资料
https://www.codermantra.com/tkinter-python-tutorial/

import tkinter

# 导入线程模块

import threading

import time

root = tkinter.Tk()

root.title('转盘抽奖')

#更改左上角图标
root.iconbitmap(r'C:\src\dragon-face.ico')

root.minsize(290,370)

# 摆放按钮

btn1 = tkinter.Button(root, text = '蓝牙耳机', bg = 'red')

btn1.place(x = 20, y = 20, width = 70, height = 70)

btn2 = tkinter.Button(root, text = '再来一次', bg = 'white')

btn2.place(x = 110, y = 20, width = 70, height = 70)

btn3 = tkinter.Button(root, text = '抱枕', bg = 'white')

btn3.place(x = 200, y = 20, width = 70, height = 70)

btn4 = tkinter.Button(root, text = '谢谢惠顾', bg = 'white')

btn4.place(x = 20, y = 110, width = 70, height = 70)

btn5 = tkinter.Button(root, text = '保温杯', bg = 'white')

btn5.place(x = 200, y = 110, width = 70, height = 70)

btn6 = tkinter.Button(root, text = '充电宝', bg = 'white')

btn6.place(x = 20, y = 200, width = 70, height = 70)

btn7 = tkinter.Button(root, text = 'iphoneX', bg = 'white')

btn7.place(x = 110, y = 200, width = 70, height = 70)

btn8 = tkinter.Button(root, text = '谢谢惠顾', bg = 'white')

btn8.place(x = 200, y = 200, width = 70, height = 70)

# 将所有选项组成列表

prizelists = [btn1,btn2,btn3,btn5,btn8,btn7,btn6,btn4]

# 是否开启循环的标志

isloop = False

# 是否运行的标志

functions = False

def round():

    # 判断是否开始循环（防止多次按下开始按钮程序开启多次转盘循环）

    if isloop == True:

        return

    # 初始化计数变量

    i = 0

    while True:

        # 延时操作

        time.sleep(0.06)

        # 将所有组件的背景颜色变为白色

        for j in prizelists:

            j['bg'] = 'white'

        # 将当前数值对应的组件变色

        prizelists[i]['bg'] = 'red'

        i += 1

        # 如果i大于最大索引直接归零

        if i >= len(prizelists):

            i = 0

        if functions == True:

            continue

        else:

            break

# 建立一个新线程的函数

def newtask():

    global isloop

    global functions

    # 建立线程

    t = threading.Thread(target = round)

    # 开启线程运行

    t.start()

    # 设置循环开始标志

    isloop = True

    # 是否运行的标志

    functions = True

# 定义停止循环的函数

def stop():

    global isloop

    global functions

    functions = False

    isloop = False

# 开始按钮

btn_start = tkinter.Button(root, text = '开始', command = newtask)

btn_start.place(x = 80, y = 300, width = 50, height = 50)

# 结束按钮

btn_stop = tkinter.Button(root, text = '结束', command = stop)

btn_stop.place(x = 150, y = 300, width = 50, height = 50)

root.mainloop()