var gulp = require(‘gulp‘),    rename = require(‘gulp-rename‘),    // 记得先下载插件哦    uglify = require("gulp-uglify"); gulp.task(‘rename‘, function () {    gulp.src(‘src/js/main.js‘)    .pipe(uglify())  //压缩    .pipe(rename(‘main.min.js‘)) //会将main.js重命名为main.min.js    .pipe(gulp.dest(‘dist/js‘));    //关于gulp-rename的更多强大的用法请参考https://www.npmjs.com/package/gulp-rename});