安装流程 
PyQt5安装 
在cmd下输入pip install PyQt5 
完成PyQt5安装，再安装qt designer，可以使用pip安装

pip install PyQt5-tools

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安装完成后，在python安装目录下可以看到 
https://img-blog.csdn.net/20170920231612181?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSHVhbmdaaGFuZ18xMjM=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast

配置PyCharm 
配置PyCharm是为了在Pycharm里面实现打开qt designer，然后生成qt文件，然后将qt文件转换成python语言的软件文件。 
打开Pycharm，按下图操作 
https://img-blog.csdn.net/20170920232115673?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSHVhbmdaaGFuZ18xMjM=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast

打开Extrernal Tools之后，点击上如绿色的+，添加Tools 
https://img-blog.csdn.net/20170920232912675?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSHVhbmdaaGFuZ18xMjM=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast
Name：可自己定义 
Program：指向上述安装PyQt5-tools里面的designer.exe 
Work directory：使用变量 $FileDir$

然后再新建多一个“PyUIC”，这个主要是用来将 Qt界面 转换成 py代码。 
https://img-blog.csdn.net/20170920233519518?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSHVhbmdaaGFuZ18xMjM=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast

-m PyQt5.uic.pyuic  $FileName$ -o $FileNameWithoutExtension$.py

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使用 
在F盘新建一个空文件夹，然后使用pychram导入文件夹，首先通过pycharm打开qt designer，如图所示： 
https://img-blog.csdn.net/20170920234001843?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSHVhbmdaaGFuZ18xMjM=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast
https://img-blog.csdn.net/20170920234046394?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSHVhbmdaaGFuZ18xMjM=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast

新建窗口之后，可以再左边列表直接拖拉空间到窗口上 
https://img-blog.csdn.net/20170920234402942?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSHVhbmdaaGFuZ18xMjM=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast  
可以看到上图是有2个控件的，在这里另存为该文件 
https://img-blog.csdn.net/20170920234535050?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSHVhbmdaaGFuZ18xMjM=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast
保存文件之后，关闭qt designer，在pycharm里看到刚保存ui文件，选中文件点击右键，选择PyUIC来转换成py代码 
https://img-blog.csdn.net/20170920234810317?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSHVhbmdaaGFuZ18xMjM=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast  
https://img-blog.csdn.net/20170920234912204?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSHVhbmdaaGFuZ18xMjM=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast

生成代码之后，还不能运行，因为这只是一个界面的代码，在该代码最下面还需要加入以下代码：

import sys
from PyQt5.QtWidgets import QApplication, QMainWindow
if __name__ == '__main__':
    app = QApplication(sys.argv)
    MainWindow = QMainWindow()
    ui = Ui_MainWindow()
    ui.setupUi(MainWindow)
    MainWindow.show()
    sys.exit(app.exec_())

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点击运行 
https://img-blog.csdn.net/20170920235413286?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvSHVhbmdaaGFuZ18xMjM=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast

总结：整个安装配置是很简单，在pycharm上自动打开qt designer来设计软件界面，然后将保存的文件转换成py代码即可。qt designer是通过PyQt5-tools安装，这只能在windows上安装，换成其他操作系统是不行的。