pyqt5报错记录：ERROR: Failed building wheel for PyQt5-sip

问题：

pip install pyqt5
Collecting pyqt5
Using cached PyQt5-5.15.10-cp37-abi3-win_amd64.whl.metadata (2.2 kB)
Collecting PyQt5-sip<13,>=12.13 (from pyqt5)
Using cached PyQt5_sip-12.13.0.tar.gz (123 kB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing metadata (pyproject.toml) ... done
Collecting PyQt5-Qt5>=5.15.2 (from pyqt5)
Using cached PyQt5_Qt5-5.15.2-py3-none-win_amd64.whl.metadata (552 bytes)
Using cached PyQt5-5.15.10-cp37-abi3-win_amd64.whl (6.8 MB)
Using cached PyQt5_Qt5-5.15.2-py3-none-win_amd64.whl (50.1 MB)
Building wheels for collected packages: PyQt5-sip
Building wheel for PyQt5-sip (pyproject.toml) ... error
error: subprocess-exited-with-error

× Building wheel for PyQt5-sip (pyproject.toml) did not run successfully.
│ exit code: 1
╰─> [5 lines of output]
running bdist_wheel
running build
running build_ext
building 'PyQt5.sip' extension
error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/
[end of output]

note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed building wheel for PyQt5-sip
Failed to build PyQt5-sip
ERROR: Could not build wheels for PyQt5-sip, which is required to install pyproject.toml-based projects

　　解决办法：

这个错误提示表明在构建PyQt5-sip时出现了问题，与之前提到的相同。错误信息指出需要安装Microsoft Visual C++ 14.0或更高版本。

你可以按照以下步骤解决问题：

1. 确保你已安装了Microsoft Visual C++ Build Tools。你可以从以下链接中下载并安装：https://visualstudio.microsoft.com/visual-cpp-build-tools/

2. 安装完Visual C++ Build Tools后，尝试重新安装PyQt5。可以使用以下命令：pip install pyqt5

特别是第一步的安装说明：

 下载这个工具后，点击运行，会到如下的界面，选择第一个C++  和右边的选项，然后点击右下角的安装，等待系统自动安装即可。