源码见：https://want595.blog.csdn.net/

1.爱心界面

def Heart():
    root=tk.Tk()
    screenwidth=root.winfo_screenwidth()
    screenheight=root.winfo_screenheight()
    width=600
    height=400
    x=(screenwidth-width)//2
    y=(screenheight-height)//2
    root.title("❤")
    root.geometry("%dx%d+%d+%d"%(screenwidth,screenheight,0,0))
    tk.Label(root,text='❤',fg='pink',bg='white',font=("Comic Sans MS",500),width=300,height=20).pack()
    root.mainloop()    

2.无限弹窗

def Love1():
    root=tk.Tk()
    width=200
    height=50
    screenwidth=root.winfo_screenwidth()
    screenheight=root.winfo_screenheight()
    x=ra.randint(0,screenwidth/2)
    y=ra.randint(0,screenheight/2)
    root.title("❤")
    root.geometry("%dx%d+%d+%d"%(width,height,x,y))
    tk.Label(root,text='I LOVE YOU!',fg='white',bg='pink',font=("Comic Sans MS",15),width=30,height=5).pack()
    root.mainloop()
def Love2():
    root=tk.Tk()
    width=200
    height=50
    screenwidth=root.winfo_screenwidth()
    screenheight=root.winfo_screenheight()
    screenheight-=2*width
    x=ra.randint(screenwidth/2,screenwidth)
    y=ra.randint(0,screenheight/2)
    root.title("❤")
    root.geometry("%dx%d+%d+%d"%(width,height,x,y))
    tk.Label(root,text='I LOVE YOU!',fg='white',bg='pink',font=("Comic Sans MS",15),width=30,height=5).pack()
    root.mainloop()
def Love3():
    root=tk.Tk()
    width=200
    height=50
    screenwidth=root.winfo_screenwidth()
    screenheight=root.winfo_screenheight()
    screenheight-=width
    x=ra.randint(screenwidth/2,screenwidth)
    y=ra.randint(screenheight/2,screenheight)
    root.title("❤")
    root.geometry("%dx%d+%d+%d"%(width,height,x,y))
    tk.Label(root,text='I LOVE YOU!',fg='white',bg='pink',font=("Comic Sans MS",15),width=30,height=5).pack()
    root.mainloop()
def Love4():
    root=tk.Tk()
    width=200
    height=50
    screenwidth=root.winfo_screenwidth()
    screenheight=root.winfo_screenheight()
    screenheight-=2*width
    x=ra.randint(0,screenwidth/2)
    y=ra.randint(screenheight/2,screenheight)
    root.title("❤")
    root.geometry("%dx%d+%d+%d"%(width,height,x,y))
    tk.Label(root,text='I LOVE YOU!',fg='white',bg='pink',font=("Comic Sans MS",15),width=30,height=5).pack()
    root.mainloop()