gulp 压缩css gulp-clean-css

1.安装插件gulp-clean-css

npm install gulp-clean-css --save-dev

2.配置gulpfile.js

var gulp = require("gulp");

var cssmin = require('gulp-clean-css');
//压缩css
gulp.task('testCssmin', function () {
    gulp.src('Webapp/CSS/**/*.css')
        .pipe(cssmin())
        .pipe(gulp.dest('Webapp/dist/css'));
});