[python]PyQt5-手写窗口

import sys
from PyQt5.QtWidgets import QMainWindow,QApplication
from PyQt5.QtGui import QIcon

class FirstMainWin(QMainWindow):
    def __init__(self, parent=None):
        super(FirstMainWin,self).__init__(parent)
        # 设置主窗口的标题
        self.setWindowTitle("第一个主窗口应用")
        
        # 设置尺寸
        self.resize(400,300)

        # 获得状态栏
        self.status = self.statusBar()
        # 状态栏显示消息，
        self.status.showMessage("只存在5s的提示，大家好呀",5000)

if __name__ == "__main__":
    app = QApplication(sys.argv)
    # 导入图标
    app.setWindowIcon(QIcon("./image/lou.ico"))
    main = FirstMainWin()
    # 显示窗口
    main.show() 
    # 建立循环
    sys.exit(app.exec_())