# -*- coding:utf-8 -*-
"""
Author：Administrator
Date:2021年11月15日
"""
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QPainter


class Demo(QWidget):
	def __init__(self, parent=None):
		super(Demo, self).__init__(parent)
		self.setWindowTitle('使用QPainter绘制图形')
		self.resize(300, 120)  # 设置窗口大小

	def paintEvent(self, event):
		painter = QPainter(self)  # 创建绘图对象
		painter.setPen(Qt.red)  # 设置画笔
		painter.drawEllipse(80, 10, 50, 30)  # 绘制一个椭圆
		painter.drawRect(180, 10, 50, 30)  # 绘制一个矩形
		painter.drawLine(80, 70, 200, 70)  # 绘制直线
		painter.drawText(90, 100, '敢想敢为 注重细节')  # 绘制文本


if __name__ == '__main__':
	import sys

	app = QApplication(sys.argv)  # 创建窗口程序
	demo = Demo()  # 创建字符串类对象
	demo.show()  # 显示窗口
	sys.exit(app.exec_())