终端
1、npm init （创建package.json
2、npm install autoprefixer postcss-color-rgba-fallback postcss-opacity postcss-pseudoelements postcss-vmin pixrem postcss-will-change--save-dev
3、gulpfile.js添加
var gulp = require('gulp');
var postcss = require('gulp-postcss');
var autoprefixer = require('autoprefixer');
var color_rgba_fallback = require('postcss-color-rgba-fallback');
var opacity = require('postcss-opacity');
var pseudoelements = require('postcss-pseudoelements');
var vmin = require('postcss-vmin');
var pixrem = require('pixrem');
var will_change = require('postcss-will-change');
gulp.task('css', function () {
var processors = [
will_change,
autoprefixer,
color_rgba_fallback,
opacity,
pseudoelements,
vmin,
pixrem
];
return gulp.src('./src/*.css')
.pipe(postcss(processors))
.pipe(gulp.dest('./dest'));
});
