1, the installation less compilation
Less NodeJS is based, so after the installation using npm installation Less NodeJS
npm install -g less
If the above command is slow, then the use of domestic mirroring:
cnpm install -g less
2. Go HBuilder precompiled set
3. Configure precompiled items
Trigger command address lessc.cmd file, which in NodeJS installation directory (the installation will be completed after the LESS file)