python实现无边框进度条的实例代码

import sys
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QMainWindow, QApplication
import time
from tkinter import *
class MainWIndow(QMainWindow):
 def __init__(self, parent=None):
  super(MainWIndow, self).__init__(parent)
  self.resize(500, 667)
  self.setWindowTitle('私人医生 copyright@2020 1.2.1')

  # 设置无边框窗口样式
  self.setWindowFlags(Qt.FramelessWindowHint)

  #子窗口，窗口无按钮 ，但有标题，可注释掉观察效果
  self.setWindowFlags(Qt.SubWindow)

  self.setObjectName("MainWindow")
  self.setStyleSheet("#MainWindow{border-image:url(images/python.jpg);}")

if __name__ == '__main__':
 app = QApplication(sys.argv)
 win = MainWIndow()
 win.show()
 
#更新进度条函数
def change_schedule(now_schedule,all_schedule):
 canvas.coords(fill_rec, (5, 5, 6 + (now_schedule/all_schedule)*100, 25))
 root.update()
 #进度显示
 x.set(str(round(now_schedule/all_schedule*100,2)) + '%')
 if round(now_schedule/all_schedule*100,2) == 100.00:
  x.set("完成")

#创建画布
root = Tk()

#画布位置控制，前两个参数为宽度和高度，后两个参数为xy坐标
root.geometry("480x30+720+830")
#创建画布
frame = Frame(root).grid(row = 0,column = 0)
#使用时将框架根据情况选择新的位置
canvas = Canvas(frame,bg = "white")
canvas.grid(row = 0,column = 0)
x = StringVar()
#隐藏标题栏
root.overrideredirect(True)
#将边框像素设置为0，即取消边框
canvas.configure(highlightthickness=0)
#进度条以及完成程度
#设置矩形，无填充即为边框
out_rec = canvas.create_rectangle(5,5,480,25,outline = "red",width = 1)
fill_rec = canvas.create_rectangle(5,5,5,25,outline = "",width = 0,fill = "blue")
Label(frame,textvariable = x).grid(row = 0,column = 1)
 
for i in range(480):
 time.sleep(0.01)
 
 change_schedule(i,99)

#root.mainloop()