实用技能--python库导出及bat批处理

requirements.txt 生成

pip freeze > requirements.txt

 requirements.txt 依赖库安装

pip install -r ./requirements.txt  -i https://pypi.douban.com/simple/ --trusted-host mirrors.aliyun.com

以下为bat批处理安装whl库文件和requirements.txt依赖库，双击bat即可执行

cmd /c 表示执行后关闭

cmd /k 表示执行后不关闭

@echo off
@echo start download
start cmd /c "pip install numpy-1.19.5+vanilla-cp36-cp36m-win_amd64.whl"
@echo numpy install successful
start cmd /c "pip install opencv_python-4.4.0-cp36-cp36m-win_amd64.whl"
@echo opencv_python install successful
start cmd /c "pip install scikit_image-0.17.2-cp36-cp36m-win_amd64.whl"
@echo scikit_image install successful
start cmd /k "pip install -r ./requirements.txt  -i https://pypi.douban.com/simple/ --trusted-host mirrors.aliyun.com" 
@echo all install successful