postcsspx2rem

1、安装

npm install gulp-postcss --save-dev

2、gulp

var gulp = require('gulp');
var postcss = require('gulp-postcss');
var px2rem = require('postcss-px2rem');
 
gulp.task('default', function() {
  var processors = [px2rem({remUnit: 75})];
  return gulp.src('./src/*.css')
    .pipe(postcss(processors))
    .pipe(gulp.dest('./dest'));
});

3、webpack

npm install postcss-loader

var px2rem = require('postcss-px2rem');
 
module.exports = {
  module: {
    loaders: [
      {
        test: /\.css$/,
        loader: "style-loader!css-loader!postcss-loader"
      }
    ]
  },
  postcss: function() {
    return [px2rem({remUnit: 75})];
  }
}

4、node

var postcss = require('postcss');
var px2rem = require('postcss-px2rem');
var originCssText = '...';
var newCssText = postcss().use(px2rem({remUnit: 64})).process(originCssText).css;

5、grunt

npm install grunt-postcss

module.exports = function(grunt) {
  grunt.initConfig({
    postcss: {
      options: {
        processors: [
          px2rem({remUnit: 75})
        ]
      },
      dist: {
        src: 'src/*.css',
        dest: 'build'
      }
    }
  });
  grunt.loadNpmTasks('grunt-postcss');
  grunt.registerTask('default', ['postcss']);
}