环境的搭建

pip config set global.index-url (镜像地址)
pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/阿里云
pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple  清华


pip insatll -i https://pypi.tuna.tsinghua.edu.cn/simple

pip install --trusted-host https://repo.huaweicloud.com -i https://repo.huaweicloud.com/repository/pypi/simple  华为
<some-package> 

npm install -g cnpm --registry=https://registry.npm.taobao.org　　　　　　淘宝镜像源站
npm config set registry https://repo.huaweicloud.com/repository/npm/   　　npm cache clean -f   　　　　华为云镜像站

　<mirror>
        <id>alimaven</id>
        <name>aliyun maven</name>
        <url>https://maven.aliyun.com/repository/public</url>
        <mirrorOf>central</mirrorOf>        
    </mirror>

<mirror>
    <id>huaweicloud</id>
    <mirrorOf>*</mirrorOf>
    <url>https://repo.huaweicloud.com/repository/maven/</url>
</mirror>

https://goproxy.cn/  Go语言镜像站
goland settings GoModules 设置proxy代理 https://goproxy.cn
go env -w GO111MODULE=on
go env -w GOPROXY=https://goproxy.cn,direct

https://mirrors.aliyun.com/goproxy/  阿里云go镜像站

go env -w GOPROXY=https://mirrors.aliyun.com/goproxy/