gulp插件安装命令

npm install gulp-less --save-dev
npm install gulp-concat --save-dev
npm install gulp-uglify --save-dev
npm install gulp-rename --save-dev
npm install gulp-imagemin --save-dev
npm install gulp-minify-css --save-dev
npm install gulp-connect --save-dev
npm install  gulp-load-plugins --save-dev
npm install gulp-minify-html --save-dev