import tkinter as tk
import random
from PIL import Image, ImageTk

# 弹幕类
class MovingLabel:
    def __init__(self, window, text):
        self.text = text
        self.label = tk.Label(window, image=kuang, text=self.text, compound="center", font=("黑体", 20), fg='white',width=190, height=45)
        self.label.place(x=800, y=random.randint(50, 400))
        self.x = 800    # 初始x坐标800
        self.move()

    def move(self):
        if self.x > -200:
            self.x -= 2
            self.label.place(x=self.x)  # 更新标签的x坐标，实现向左移动
            # 每隔20毫秒调用一次move方法，实现连续移动效果
            self.label.after(20, self.move)
        else:
            self.label.destroy()    # 销毁移出窗口的标签

# 发送弹幕
def send():
    text = e1.get()  # 获取弹幕文本
    ml = MovingLabel(window, text)

# 创建窗口
window = tk.Tk()
window.geometry('1000x670')
window.resizable(0, 0)

kuang = ImageTk.PhotoImage(file='kuang.png') # 创建可以在Tkinter中使用的图像对象
bg_image = Image.open("tv.png")    # 导入背景图片
bg_image = ImageTk.PhotoImage(bg_image) # 转换为PhotoImage对象，才可以在tkinter中显示图形
bg_label = tk.Label(window, image=bg_image)   # 创建标签显示背景图
bg_label.pack()  # 放置标签

# 弹幕输入框
e1 = tk.Entry(window, font=("黑体", 20))
e1.place(x=280, y=620)
# 发送按钮
b1 = tk.Button(window, text="发送弹幕", font=("黑体", 20), command=send)
b1.place(x=580, y=613)

window.mainloop()