- import tkinter
- import tkinter.messagebox
-
-
- def main():
- flag = True
-
- # 修改标签上的文字
- def change_label_text():
- nonlocal flag
- flag = not flag
- color, msg = ('red', '我用Python') \
- if flag else ('blue', '人生苦短')
- label.config(text=msg, fg=color)
-
- # 确认退出
- def confirm_to_quit():
- if tkinter.messagebox.askokcancel('温馨提示', '确定要退出吗?'):
- top.quit()
-
- # 创建顶层窗口
- top = tkinter.Tk()
- # 设置窗口大小
- top.geometry('300x160')
- # 设置窗口标题
- top.title('小游戏')
- # 创建标签对象
- label = tkinter.Label(top, text='为什么选择Python?', font='Arial -32', fg='red')
- label.pack(expand=1)
- # 创建一个装按钮的容器
- panel = tkinter.Frame(top)
- # 创建按钮对象
- button1 = tkinter.Button(panel, text='修改', command=change_label_text)
- button1.pack(side='left')
- button2 = tkinter.Button(panel, text='退出', command=confirm_to_quit)
- button2.pack(side='right')
- panel.pack(side='bottom')
- # 开启主事件循环
- tkinter.mainloop()
-
-
- if __name__ == '__main__':
- main()
-
-
- # *****************************************************************************
- # 参数Label示例
-
- from tkinter import *
-
- root = Tk()
- Label(root, text='标签', # 文本内容
- bg='#d3fbfb', # 背景颜色
- fg='red', # 字体颜色
- font=('微软雅黑', 12), # 字体和字体大小
- width=15, # 宽度
- height=2, # 高度
- relief=RAISED).pack() # 3D浮雕样式 参数:FLAT(平的)、RAISED(凸起的)、SUNKEN(凹陷的)、GROOVE(沟槽状边缘)和 RIDGE(脊状边缘)
- Label(root, text='绿', fg='green', font=('微软雅黑', 12), relief=RAISED).pack(side=BOTTOM)
- Label(root, text='蓝', fg='blue', font=('微软雅黑', 12), relief=RAISED).pack(fill=BOTH)
-
- Label(root, text='红', fg='red', font=('微软雅黑', 12), relief=RAISED).pack(side=RIGHT)
- Label(root, text='黄', fg='yellow', font=('微软雅黑', 12), relief=RAISED).pack(fill=Y)
- root.title('测试')
- root.geometry('320x240')
- root.mainloop()
-
- # *****************************************************************************
- # *****************************************************************************
- # message框示例
-
- from tkinter import *
-
- root = Tk()
- msg1 = Message(root, text='''人生最难的是遇见,更难的其实是重逢。有时候不喜欢你的人对你不好,其实就是对你好。''',
- relief=GROOVE)
- msg1.place(relx=0.2, y=80, relheight=0.4, width=200)
-
- root.title('测试')
- root.geometry('320x240')
- root.mainloop()
-
- # ******************************************************************************************
# 时钟
- # ******************************************************************************************
-
- # 时钟
- import tkinter
- import time
-
-
- def gettime():
- timestr = time.strftime("%H:%M:%S")
- lb.configure(text=timestr)
- root.after(1000, gettime)
-
-
- root = tkinter.Tk()
- root.title('时钟')
- lb = tkinter.Label(root, fg='red', font=("黑体", 90))
- lb.pack()
- gettime()
- root.mainloop()
-
- # ******************************************************************************************
-
- from tkinter import *
- # import time
- import datetime
-
-
- def gettime():
- s = str(datetime.datetime.now()) + '\n'
- txt.insert(END, s)
- root.after(1000, gettime)
-
-
- root = Tk()
- root.title('时钟')
- root.geometry('320x240')
- txt = Text(root)
- txt.pack()
- gettime()
- root.mainloop()
- # ******************************************************************************************
- # 使用tkinker库实现一个简单的加法器
- from tkinter import *
- import tkinter
- import tkinter.messagebox
-
-
- def run():
- a = float(inp1.get())
- b = float(inp2.get())
- s = '%0.1f+%0.1f=%0.1f\n' % (a, b, a + b)
- txt.insert(END, s) # 追加显示运算结果
- inp1.delete(0, END) # 清空输入
- inp2.delete(0, END) # 清空输入
-
-
- def quit():
- if tkinter.messagebox.askokcancel('温馨提示', '确定要退出吗?'):
- root.quit()
-
-
- root = Tk()
- root.geometry('460x240')
- root.title('简单加法器')
-
- lb1 = Label(root, text='请输入两个数,进行加法计算')
- lb1.place(relx=0.1, rely=0.1, relwidth=0.8, relheight=0.1)
- lb2 = Label(root, text='+')
- lb2.place(relx=0.45, rely=0.2, relwidth=0.1, relheight=0.1)
- inp1 = Entry(root)
- inp1.place(relx=0.1, rely=0.2, relwidth=0.3, relheight=0.1)
- inp2 = Entry(root)
- inp2.place(relx=0.6, rely=0.2, relwidth=0.3, relheight=0.1)
-
- # 方法-直接调用 run1()
- btn1 = Button(root, text='等于', command=run)
- btn1.place(relx=0.1, rely=0.4, relwidth=0.3, relheight=0.2)
- btn2 = Button(root, text='退出', command=quit)
- btn2.place(relx=0.6, rely=0.4, relwidth=0.3, relheight=0.2)
-
- txt = Text(root)
- txt.place(rely=0.6, relheight=0.4) # 在窗体垂直自上而下位置60%处起,布局相对窗体高度40%高的文本框
-
- root.mainloop()