Usage: pip <command> [options] //pip <命令> [选择] Commands: //命令 install Install packages. //安装包 download Download packages. //下载包 uninstall Uninstall packages. //卸载包 freeze Output installed packages in requirements format. //以需求格式输出已安装的软件包。 list List installed packages. //列出已安装的软件包 show Show information about installed packages. //显示有关已安装软件包的信息 check Verify installed packages have compatible dependencies. //验证安装的软件包是否具有兼容的依赖性 config Manage local and global configuration. //管理本地和全局配置 search Search PyPI for packages. //在PyPI中搜索软件包 cache Inspect and manage pip’s wheel cache. //检查和管理pip的轮缓存 wheel Build wheels from your requirements. //根据您的要求制造车轮 hash Compute hashes of package archives. //计算软件包档案的哈希值。 completion A helper command used for command completion. //用于完成命令的帮助程序命令 debug Show information useful for debugging. //显示对调试有用的信息 help Show help for commands. //显示命令帮助 General Options: -h, --help Show help. //显示帮助 --isolated Run pip in an isolated mode, ignoring environment variables and user configuration. //在隔离模式下运行pip，忽略环境变量和用户配置 -v, --verbose Give more output. Option is additive, and can be used up to 3 times. //提供更多输出。选件是添加剂，最多可使用3次。 -V, --version Show version and exit. //显示版本并退出 -q, --quiet Give less output. Option is additive, and can be used up to 3 times (corresponding to WARNING, ERROR, and CRITICAL logging levels).//减少输出。选件是添加剂，最多可以使用3次（对应于警告，错误和严重日志记录级别）。 --log <path> Path to a verbose appending log. //详细附加日志的路径 --proxy <proxy> Specify a proxy in the form [user:passwd@]proxy.server:port.//以[user：passwd @] proxy.server：port的形式指定代理。 --retries <retries> Maximum number of retries each connection should attempt (default 5 times).//每个连接应尝试的最大重试次数（默认5次） --timeout <sec> Set the socket timeout (default 15 seconds). //设置套接字超时（默认15秒） --exists-action <action> Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort. //当路径已存在时的默认操作： --trusted-host <hostname> Mark this host or host:port pair as trusted, even though it does not have valid or any HTTPS. //将此主机或主机：端口对标记为受信任，即使它没有有效的或任何对HTTPS。 --cert <path> Path to alternate CA bundle. //备用CA捆绑软件的路径。 --client-cert <path> Path to SSL client certificate, a single file containing the private key and the certificate in PEM format. //SSL客户端证书的路径，一个包含私钥和PEM格式的证书。 --cache-dir <dir> Store the cache data in <dir>. //将缓存数据存储在<dir>中 --no-cache-dir Disable the cache. //禁用缓存 --disable-pip-version-check Don‘t periodically check PyPI to determine whether a new version of pip is available for download. Implied with --no-index. //不要定期检查PyPI，以确定是否有新版本的pip可用于下载。暗示--no-index。 --no-color Suppress colored output //抑制彩色输出 --no-python-version-warning Silence deprecation warnings for upcoming unsupported Pythons.//即将推出的不受支持的Python的静默弃用警告