使用gulp构建前端得一体化工具，有良好的 图片压缩,scss编译检测生成合并,js检测合并,文件合并嵌入,以及浏览器自动刷新等功能,需要下载这些东西

cnpm install gulp gulp-rimraf gulp-ruby-sass gulp-cached gulp-uglify gulp-rename gulp-concat gulp-notify gulp-filter gulp-asset-rev gulp-cssnano gulp-imagemin browser-sync gulp-file-include gulp-autoprefixer gulp.spritesmith vinyl-buffer merge-stream gulp-path gulp-folders gulp-babel babel-preset-es2015 gulp-postcss postcss-reporter postcss-scss stylelint stylelint-config-standard gulp-sourcemaps gulp-eslint gulp-changed gulp-strip-debug eslint-config-airbnb-base eslint-plugin-import eslint --save-dev