tkinter库绘图实例15：制作滚动字幕

实例代码

import tkinter as tk                    # 导入tkinter库，并重命名为tk
mywindow = tk.Tk()                      # 创建一个窗体
mywindow.title("滚动字幕效果")              # 设置窗体的标题

# 创建画布并布局
mycanvas = tk.Canvas(mywindow,width=500,height=100,bg="black")
mycanvas.pack()
x = 0
width = 500
dx = 5

mycanvas.create_text(x,50,text="你好，Python！你好，世界！",tag="mytext",font="Arial 16 bold",fill="white")
while True:
    mycanvas.after(100)
    mycanvas.move("mytext",dx,0)
    mycanvas.update()
    if x < width :
        x =x +dx
    else :
        x = 0
        mycanvas.delete("mytext")
        mycanvas.create_text(x,50,text="你好，Python！你好，世界！",tag="mytext",font="Arial 16 bold",fill="white")

运行结果