小试Express

var express = require(‘express‘);
var utility = require(‘utility‘);

var app = express();

app.get(‘/‘, function (req, res) {
  var q = req.query.q;

  var md5Value = utility.md5(q);

  res.send(md5Value);
});

app.listen(3000, function (req, res) {
  console.log(‘app is running at port 3000‘);
});

var express = require(‘express‘);
var superagent = require(‘superagent‘);
var cheerio = require(‘cheerio‘);
var app = express();
 
app.get(‘/‘, function (req, res, next) {
  superagent.get(‘https://cnodejs.org/‘)
    .end(function (err, sres) {
      if (err) {
        return next(err);
      }
      var $ = cheerio.load(sres.text);

      var items = [];

      var children = $(‘#topic_list‘).children();
      children.each(function (k, v) {
        var c = children.eq(k);

        items.push({
          title: c.find(‘.topic_title‘).text(),
          href: c.find(‘.topic_title‘).attr(‘href‘),
          author: c.find(‘.user_avatar img‘).attr(‘title‘)  
        });
      });
 
      res.send(items);
    });
});
 
app.listen(3000,function(){
  console.log(‘app is listening at port 3000‘);
});