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pyside2's Issues

关于高分屏幕缩放的问题

因为最近在学习Pyside2的使用,我使用的是4k屏幕,笔记本(缩放250%),如果Qtdesigner直接绘制出来的图预览大小是缩放后的,大小是正常的,但是生成代码直接运行后,就会变得非常小,在网上搜索到的解决方案是:

if __name__ == '__main__':
    # from Pyside2 import QtCore
    # 设置允许高分辨率缩放
    QtCore.QCoreApplication.setAttribute(QtCore.Qt.ApplicationAttribute.AA_EnableHighDpiScaling)
    app = QtWidgets.QApplication(sys.argv)
    window = MainWindow()
    window.window_init()
    window.show()
    sys.exit(app.exec_())

需要在创建app之前加入上面的语句

pyside2-uic生成py文件不是utf-8编码导致保存问题

发现了个bug,可能版本不同了吧。在Lesson02中使用以下命令生成的ui_mainwindow.py文件是用utf-16编码,导致执行main.py的时候报错。

pyside2-uic [你保存的文件名].ui > ui_mainwindow.py

搜索后发现,将> 改成-o即可使用utf-8编码

Lession5 can't display .jpg images.

I tested the code of lession 5 with several .png files,it worked well.But it just can't display any .jpg file and there are no error messages. (My env: Win10,Pyside2 5.15.2.1)
A jpg image and a png image I use are attached below.
dog2
fish

Can not play video with QMediaPlayer

使用 QMediaPlayer 播放视频失败

本打算在第九课讲这个的,但是一直失败,就只能拿之前写的浏览器代码来充数了。。。
我是用的代码根据Qt官网改写的:

# 这是一个空的widget
widget = QtWidgets.QWidget()
widget_layout = QtWidgets.QVBoxLayout()
videoWidget = QVideoWidget()
widget_layout.addWidget(videoWidget)
widget.setLayout(widget_layout)

player = QMediaPlayer()
player.setVideoOutput(videoWidget)
player.setMedia(QUrl.fromLocalFile("example.mp4"))
player.play()

代码开头的widget是放置在主窗口内的,运行程序没有报错也没声音和图像。So can you help help me?

Markdown语法的规范问题

Markdown的每个符号, 都是有其语义的(就像HTML标签一样)

另外,不同的部分在文章中的顺序, 也可以规范一下。 例如参考文献一般在后面。

把第一篇文章修改了一下, 大概长这样:

环境配置与入门

概要

这里可以写一下, 这篇文章主要的目的是什么

软件开发环境

  • Python3.6
  • PySide2

操作系统相关环境

安装PySide2

关于Python的安装请自行学习,这里不再累述。
安装PySide2的PyPI,命令行:

pip install --index-url=http://download.qt.io/snapshots/ci/pyside/5.11/
latest/ pyside2 --trusted-host download.qt.io*  

bash指令可以放在code代码块里面。

下集预告:Hello world!

万程开头helloworld!作者编写的的这个helloworld.py是根据官网教程改编的,里面也写了详细的注释。
此方法,只使用编写代码来实现Qt窗口。当我们设计复杂且美观的窗口时,只使用代码来编写必定是非常繁琐的。
因此,在下一讲中,会介绍一种结合QtDesigner的用户界面绘制方法,能让我们更高效的实现QtUI。
当你配置好环境,可以直接运行helloworld.py,如果成功运行并显示如下窗口,那么恭喜你入坑!
hello_world

参考文档

PySide官方文档 Qt for Python

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