var ossOptions = {
        accessKeyId: 'xxx',
        accessKeySecret: 'yyyyyy',
        bucket: 'mystatic',
        region: 'oss-cn-beijing'
    };
    
    var cdnHost = 'http://mystatic.oss-cn-beijing.aliyuncs.com';

    var urlParse = function(md5, basename, extname){

        return ['', extname, md5, basename].join('/');
    };


    var stcCdnOSS = require('stc-cdn-oss');

    var cdnAdapter = stcCdnOSS(ossOptions, cdnHost, urlParse);

    stc.workflow({
        cdn: { plugin: cdn, options: { adapter: cdnAdapter})
    });

    stc.start();