node async ，parallel waterfall 异步方法

function football_index(res, postData) {
       console.log('football_index start', postData);
       async.parallel({
              caiqiu_focus_02: function(cb) {
                     request.post({
                            url: 'http://api.caiqr.com/api',
                            form: {
                                   'cmd': 'caiqiu_focus_02',
                                   'gzip': '0',
                            }
                     }, function(err, response, body) {
                        if(!err){
                            cb(null,JSON.parse(body));
                        }
                     })
              },
              football_home_02: function(cb) {
                     request.post({
                            url: 'http://api.caiqr.com/api',
                            form: {
                                   'cmd': 'football_home_02',
                                   'gzip': '0',
                            }
                     }, function(err, response, body) {
                        if(!err){
                            cb(null,JSON.parse(body));
                        }
                     });
              }
       }, function(err, results) {
              if (err) {
                     console.error(err);
              } else {
                     var locals = { 'caiqiu_focus_02': results.caiqiu_focus_02, 'football_home_02': results.football_home_02 };
                     console.log('locals 数据',JSON.stringify(locals));
                     var options = {
                            pretty: true
                     };
                     var fn = jade.compileFile('../view/template/index.jade', options);
                     var html = fn(locals);
                     nodeconfig.httpHeadSettingHTML(res);
                     res.end(html);
              }
       });
}