增加服务端

server/app.js

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+var express = require('express');
+var path = require('path');
+var favicon = require('serve-favicon');
+var logger = require('morgan');
+var cookieParser = require('cookie-parser');
+var bodyParser = require('body-parser');
+
+var routes = require('./routes/index');
+var users = require('./routes/users');
+
+var app = express();
+
+// view engine setup
+app.set('views', path.join(__dirname, 'views'));
+app.set('view engine', 'jade');
+
+// uncomment after placing your favicon in /public
+//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
+app.use(logger('dev'));
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded({ extended: false }));
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, 'public')));
+
+app.use('/', routes);
+app.use('/users', users);
+
+// catch 404 and forward to error handler
+app.use(function(req, res, next) {
+  var err = new Error('Not Found');
+  err.status = 404;
+  next(err);
+});
+
+// error handlers
+
+// development error handler
+// will print stacktrace
+if (app.get('env') === 'development') {
+  app.use(function(err, req, res, next) {
+    res.status(err.status || 500);
+    res.render('error', {
+      message: err.message,
+      error: err
+    });
+  });
+}
+
+// production error handler
+// no stacktraces leaked to user
+app.use(function(err, req, res, next) {
+  res.status(err.status || 500);
+  res.render('error', {
+    message: err.message,
+    error: {}
+  });
+});
+
+
+module.exports = app;

server/bin/www

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+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('test:server');
+var http = require('http');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  var bind = typeof port === 'string'
+    ? 'Pipe ' + port
+    : 'Port ' + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case 'EACCES':
+      console.error(bind + ' requires elevated privileges');
+      process.exit(1);
+      break;
+    case 'EADDRINUSE':
+      console.error(bind + ' is already in use');
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === 'string'
+    ? 'pipe ' + addr
+    : 'port ' + addr.port;
+  debug('Listening on ' + bind);
+}

server/package.json

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+{
+  "name": "test",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "start": "node ./bin/www"
+  },
+  "dependencies": {
+    "body-parser": "~1.13.2",
+    "cookie-parser": "~1.3.5",
+    "debug": "~2.2.0",
+    "express": "~4.13.1",
+    "jade": "~1.11.0",
+    "moment": "^2.11.1",
+    "morgan": "~1.6.1",
+    "serve-favicon": "~2.3.0"
+  }
+}

server/public/stylesheets/style.css

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+body {
+  padding: 50px;
+  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
+}
+
+a {
+  color: #00B7FF;
+}

server/routes/index.js

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+var express = require('express');
+var router = express.Router();
+
+/* GET home page. */
+router.get('/', function(req, res, next) {
+  res.render('index', { title: 'Express' });
+});
+
+module.exports = router;

server/routes/users.js

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+var express = require('express');
+var url = require('url'); //解析操作url
+var superagent = require('superagent'); //这三个外部依赖不要忘记npm install
+var cheerio = require('cheerio');
+var eventproxy = require('eventproxy');
+var iconv = require('iconv-lite');
+var BufferHelper = require('bufferhelper');    //关于Buffer我后面细说
+var moment = require('moment');
+var targetUrl = 'http://qianming001.sinaapp.com/qm/date/';
+var router = express.Router();
+
+/* GET users listing. */
+router.get('/', function(req, res, next) {
+  res.send('respond with a resource');
+});
+
+router.get('/list',function(req, res, next){
+
+    var page = req.query.page;
+    var dateFromPage = moment().subtract(page, 'days');
+    var day = moment(dateFromPage);
+
+    console.log(page);
+    console.log(day.format('YYYY/MM/DD'));
+    var resUrl = targetUrl;
+    resUrl = targetUrl +  day.format('YYYY/MM/DD');
+
+    superagent.get(resUrl)
+        .end(function (err, rest) {
+            console.log(req.query);
+//            console.log(rest);
+            var topicUrls = [];
+            var $ = cheerio.load(rest.text);
+
+
+
+
+            // 获取首页所有的链接
+            $('div .entry-content').each(function (idx, element) {
+
+                var $element = $(element);
+                var postid = $element.eq(0).parent().attr('id');
+                var tUrl = "";
+                var title = strdecode($element.eq(0).text().trim());
+//                var imageurl = strdecode($element.eq(1).attr('href'));
+//                console.log(title);
+                var imageUrl = strdecode($element.eq(0).children().eq(1).children().eq(0).children().attr('src'));
+//                console.log(imageUrl);
+                topicUrls.push({"id":postid,"title":title,"imageurl":imageUrl});
+            });
+
+
+//            var jsonText = JSON.stringify(topicUrls);
+            console.log(JSON.stringify({'datas':topicUrls}));
+            res.json({'datas':topicUrls});
+        });
+});
+function strdecode(string) {
+    key = md5('sfdfkj!@#!@');
+//    key = "2e5633738782c3557334b7a3e1e7fc5f";
+    var b = new Buffer(string, 'base64')
+    string = b.toString();
+    len = key.length;
+    code = '';
+    for (i = 0; i < string.length; i++) {
+        k = i % len;
+        code += String.fromCharCode(string.charCodeAt(i) ^ key.charCodeAt(k))
+    };
+
+    var b = new Buffer(code, 'base64')
+    code = b.toString();
+    return code;
+}
+
+function md5(data) {
+    var Buffer = require("buffer").Buffer;
+    var buf = new Buffer(data);
+    var str = buf.toString("binary");
+    var crypto = require("crypto");
+    return crypto.createHash("md5").update(str).digest("hex");
+}
+
+module.exports = router;

server/views/error.jade

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+extends layout
+
+block content
+  h1= message
+  h2= error.status
+  pre #{error.stack}

server/views/index.jade

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+extends layout
+
+block content
+  h1= title
+  p Welcome to #{title}

server/views/layout.jade

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+doctype html
+html
+  head
+    title= title
+    link(rel='stylesheet', href='/stylesheets/style.css')
+  body
+    block content