var gulp = require('gulp');
var RevAll = require('gulp-rev-all');
var uglify = require('gulp-uglify');
var filter = require('gulp-filter');
var csso = require('gulp-csso');
var useref = require('gulp-useref');
gulp.task('default', function () {
var jsFilter = filter("**/*.js");
var cssFilter = filter("**/*.css");
var htmlFilter = filter('**/*.html');
var assets = useref.assets();
var revAll = new RevAll({
//不重命名文件
dontRenameFile: ['.html'] ,
//无需关联处理文件
dontGlobal: [ /^\/favicon.ico$/ ,'.bat','.txt'],
//该项配置只影响绝对路径的资源
prefix: 'http://s0.static.server.com'
});
return gulp.src(['staticPreprocessing/src/**'])
//合并html里面的js/css
.pipe(htmlFilter)
.pipe(assets)
.pipe(assets.restore())
.pipe(useref())
.pipe(htmlFilter.restore())
//压缩js
.pipe(jsFilter)
.pipe(uglify())
.pipe(jsFilter.restore())
//压缩css
.pipe(cssFilter)
.pipe(csso())
.pipe(cssFilter.restore())
//加MD5后缀
.pipe(revAll.revision())
//输出
.pipe(gulp.dest('staticPreprocessing/dist'))
//生成映射json文件
.pipe(revAll.manifestFile())
.pipe(gulp.dest('staticPreprocessing/dist'));
});
gulp.task('watch', function () {
gulp.watch('staticPreprocessing/src/**', ['default']);
});
[img]http://dl2.iteye.com/upload/attachment/0108/3414/e4d53a0a-a00c-369c-8867-86901d190ab9.png[/img]

本文介绍了一个使用Gulp实现的自动化构建流程,包括文件合并、压缩、加MD5后缀等步骤,并通过监听文件变化自动执行任务。涉及的插件有gulp-rev-all、gulp-uglify、gulp-csso等。
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