gruntjs – 从另一个Gruntfile运行gruntfile的grunt任务

grunt.registerTask('run-grunt',function () {
    var done = this.async();
    grunt.util.spawn({
        grunt: true,args: [''],opts: {
            cwd: 'app/components/jquery'
        }
    },function (err,result,codE) {
        done();
    });
});