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博客园 - Pavilion

windows下安装mingw-w64,c/c++编译器 word 文档,高亮关键字,因 DOM 结构复杂(跨段落、跨表格、跨样式)导致滚动定位偏差问题解决方案 python 命令行参数修改 安装Mysql macd指标 pyCharm 设置 签名,时间 Pycharm 设置 flask 监听端口 pycharm专业版的安装和破解教程 Python虚拟环境 解决pip无法更新问题的简单方法:WARNING: You are using pip version 20.2.1; however, version 24.2 is available. pyqt5 列表内添加按钮 RequestsDependencyWarning: urllib3 (2.0.0.dev0) or chardet (3.0.4) doesn't match a supported version! RequestsDependencyWarning) PyCharm怎样添加Qt designer 十大排序算法 IntelliJ IDEA安装教程 JDK12的安装搭建 提交并发量的方法:Java GC tuning :Garbage collector VNPY加密教程(Python生成pyd文件) python 绘制点线
Python 虚拟环境安装flask框架 Read timed out.
Pavilion · 2024-08-11 · via 博客园 - Pavilion

cmd 输入workon env_name 激活

pip install flask

 升级pip:

python -m pip install --upgrade pip -i http://pypi.douban.com/simple --trusted-host pypi.douban.com

下载包:以flask-sqlalchemy为例:

方案一:pip install Flask

方案二:pip install flask-sqlalchemy -i http://pypi.douban.com/simple --trusted-host pypi.douban.com

方案三:pip --default-timeout=100 install -U flask

下载包:以pymysql为例:

pip install pymysql -i http://pypi.douban.com/simple --trusted-host pypi.douban.com 安装失败

pip --default-timeout=100 install -U pymysql

posted @ 2024-08-11 22:01  Pavilion  阅读(126)  评论(0)    收藏  举报