替换获取标题的包

package.json

@@ -7,17 +7,14 @@
   },
   "dependencies": {
     "body-parser": "~1.15.1",
-    "cheerio": "^0.22.0",
     "cookie-parser": "~1.4.3",
     "crypto": "0.0.3",
     "debug": "~2.2.0",
     "ejs": "~2.4.1",
     "express": "~4.13.4",
     "express-session": "^1.14.1",
-    "iconv-lite": "^0.4.13",
     "morgan": "~1.7.0",
     "mysql": "^2.11.1",
-    "request": "^2.78.0",
     "serve-favicon": "~2.3.0",
     "supervisor": "^0.11.0"
   }

routes/api.js

@@ -1,11 +1,7 @@
 var api = require('express').Router();
 var mysql = require('mysql');
 var crypto = require('crypto');
-var http = require('http');
-var https = require('https');
-var cheerio = require('cheerio');
-var request = require('request');
-var iconv = require('iconv-lite');
+var read = require('node-readability');
 var db = require('../database/db.js');
 
 api.post('/logout', function(req, res) {
@@ -333,41 +329,13 @@ api.post('/addTags', function(req, res) {
 api.post('/getTitle', function(req, response) {
     var params = req.body.params;
     var url = params.url;
-
-    var options = {
-        url: url,
-        encoding: null,
-        headers: {
-            'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.65 Safari/537.36'
-        }
-    }
-    request(options, function(err, res, body) {
-        var title = '';
-        if (!err && response.statusCode == 200) {
-            var charset = "utf-8";
-            var arr = body.toString().match(/<meta([^>]*?)>/g);
-            if (arr) {
-                arr.forEach(function(val) {
-                    var match = val.match(/charset\s*=\s*(.+)\"/);
-                    if (match && match[1]) {
-                        if (match[1].substr(0, 1) == '"') match[1] = match[1].substr(1);
-                        charset = match[1].trim();
-                        return false;
-                    }
-                })
-            }
-            var html = iconv.decode(body, charset);
-            var $ = cheerio.load(html, {
-                decodeEntities: false
-            });
-            title = $("title").text();
-        }
-
-        console.log(title);
+    read(url, function(err, article, meta) {
+        console.log(article.title);
         response.json({
-            title: title || '',
+            title: article.title || '',
+        });
+        article.close();
     });
-    })
 })
 
 function md5(str) {