Cnpm installation steps

install nodeJS

Download from the official website ：http://nodejs.cn/download/

Choose a different version download address :https://nodejs.org/zh-cn/download/releases/

Select the version and click download

Then download the suffix msi, Because the installation is simple

After selecting the address, install mindless

Two 、 Create folder
After the installation, we open its directory and create two folders ( You need to configure environment variables later )
node_cache
node_global

3、 ... and 、 To configure npm The storage path of the global module 、cache The path of
win+r Input cmd Open the command prompt window , Input ：

npm config set prefix " Select just created node_global File path "


npm config set cache " Select just created node_cache File path "

Be careful ： The path needs double quotation marks , Pictured ：

Four ： On the command line, type the following command to install express（ notes ：“-g” Indicates to install to global Under the table of contents , It's the one set up above node_global in ）
This operation can prove the following download cnpm Will be in this directory

npm install express -g

And then we open up nodejs Installation directory , Find the created node_global Under the folder node_modules Of , See if you have just downloaded express

5、 ... and 、 Configure environment variables
Add the newly created... In the system environment variable node_global Under the folder node_modules

6、 ... and 、 download cnpm
Continue typing... On the command line ：

npm install -g cnpm --registry=https://registry.npm.taobao.org

In order to download later, you don't need to add registry=https://registry.npm.taobao.org
Continue data command ：

npm config set registry http://registry.npm.taobao.org

And then run cnpm -v

Because the system variable path It does not contain cnpm. In system variable path Add the path below to use it normally cnpm.

Add system environment variable

Add user variables

Then reopen the command prompt

Input
cnpm -v

That's all right.