1.下载qt5.15.11源码
https://download.qt.io/official_releases/qt/5.15/5.15.11/single/qt-everywhere-opensource-src-5.15.11.zip
2.解码源码到桌面
3.安装cmake ,python ,perl, Visual Studio 2019
Strawberry Perl for Windows
Win flex-bison download | SourceForge.net
Download gperf-3.0.1.exe (GnuWin) (sourceforge.net)
CMake - Upgrade Your Software Build System
Visual Studio: 面向软件开发人员和 Teams 的 IDE 和代码编辑器 (microsoft.com)
4.进入解压后的源码目录，
配置: configure -release -nomake examples -nomake tests -skip qtwebengine -opensource
配置成功
编译： nmake
安装: nmake install
安装成功：
