NPM installation

1. download node, Unzip and install

Download address ：http://nodejs.cn/download/

2. Administrator rights cmd, Check whether the installation is successful

although node Automatically npm edition , But not the latest version

Be careful , see npm -v Errors may be reported during version ：npm warn config global --global, --local are deprecated. use --location=global instead.

solve ： Modify the configuration file
npm config Command found npm Configuration directory for

npm config ls
npm config list
npm config ls -l

find 2 In a file prefix -g Replace with prefix --location=global


Close the previous command line window after modification , Reopen the test

3. Configure mirror station

npm config set registry=http://registry.npm.taobao.org //  Configure mirror station 
npm config get registry   //  Check the mirror station 

test npm install vue

npm install vue -g

Test installation vue-router

npm install vue-router -g

Reference documents ：https://www.cnblogs.com/lgx5/p/10732016.html