1 module.exports = function(grunt) {
 2 
 3     // Project configuration.
 4     grunt.initConfig({
 5 
 6         useminPrepare: {
 7             html: [‘app/tpl/**/*.html‘],
 8             options: {
 9                 // 测试发现这里指定的dest，是usemin引入资源的相对路径的开始
10                 // 在usemin中设置assetsDirs，不是指定的相对路径
11                 // List of directories where we should start to look for revved version of the assets referenced in the currently looked at file
12                 dest: ‘build/tpl‘               // string type                 
13             }
14         },
15         usemin: { 
16             html: [‘build/tpl/**/*.html‘],      // 注意此处是build/
17             options: {
18                 assetsDirs: [‘build/js‘]
19             }
20         },
21         copy: {
22             html: {
23                 expand: true,                   // 需要该参数
24                 cwd: ‘app/‘,
25                 src: [‘tpl/**/*.html‘],         // 会把tpl文件夹+文件复制过去
26                 dest: ‘build‘
27             }
28         } 
29 
30     });
31 
32   grunt.loadNpmTasks(‘grunt-contrib-uglify‘);
33   grunt.loadNpmTasks(‘grunt-contrib-copy‘);
34   grunt.loadNpmTasks(‘grunt-contrib-concat‘);
35   grunt.loadNpmTasks(‘grunt-usemin‘);
36 
37   // 最后就是顺序了，没错concat,uglify在这里哦！
38   grunt.registerTask(‘default‘, [
39       ‘copy:html‘,
40       ‘useminPrepare‘,
41       ‘concat:generated‘,
42       ‘uglify:generated‘,
43       ‘usemin‘
44   ]);
45 
46 };