使用redis作为session

app.js

@@ -4,7 +4,8 @@ var logger = require('morgan');
 var cookieParser = require('cookie-parser');
 var bodyParser = require('body-parser');
 var session = require('express-session');
-var mongoStore = require('connect-mongo')(session);
+var RedisStore = require('connect-redis')(session);
+const secret = 'keyboard cat';
 
 var api = require('./routes/api');
 var app = express();
@@ -12,9 +13,11 @@ var fs = require('fs');
 // 创建下载的目录
 var folders = ['./uploads', './public/images/favicon', './public/images/snap'];
 folders.forEach((folder) => {
-    fs.exists(folder, function(exists) {
-        if(!exists){
-            fs.mkdir(folder,function(err){ if(err) console.error(err); });
+  fs.exists(folder, function (exists) {
+    if (!exists) {
+      fs.mkdir(folder, function (err) {
+        if (err) console.error(err);
+      });
     } else {
       console.log(folder + "is exists!");
     }
@@ -26,26 +29,27 @@ app.use(bodyParser.json());
 app.use(bodyParser.urlencoded({
   extended: false
 }));
-app.use(cookieParser());
+
+app.use(cookieParser('secret'));
 
 app.use(session({
-    rolling: true,
-    resave: false, //
-    saveUninitialized: true, //
-    secret: 'ILoveYiJia', // 建议使用 128 个字符的随机字符串
+  store: new RedisStore({
+    host: "127.0.0.1",
+    port: 6379
+  }),
   cookie: {
     maxAge: 7 * 24 * 60 * 60 * 1000, // 一周
   },
-    store: new mongoStore({
-        url: 'mongodb://localhost/mybookmarks'
-    })
-}));
+  resave: true,
+  saveUninitialized: true,
+  secret: secret
+}))
 
 app.use(express.static(path.join(__dirname, 'public')));
 app.use('/api', api);
 
 // catch 404 and forward to error handler
-app.use(function(req, res, next) {
+app.use(function (req, res, next) {
   var err = new Error('Not Found');
   err.status = 404;
   next(err);
@@ -56,7 +60,7 @@ app.use(function(req, res, next) {
 // development error handler
 // will print stacktrace
 if (app.get('env') === 'development') {
-    app.use(function(err, req, res, next) {
+  app.use(function (err, req, res, next) {
     res.status(err.status || 500);
     res.render('error', {
       message: err.message,
@@ -67,7 +71,7 @@ if (app.get('env') === 'development') {
 
 // production error handler
 // no stacktraces leaked to user
-app.use(function(err, req, res, next) {
+app.use(function (err, req, res, next) {
   res.status(err.status || 500);
   res.sendfile("./public/404.html");
   // res.render('error', {

package.json

@@ -8,7 +8,7 @@
   "dependencies": {
     "body-parser": "~1.15.1",
     "cheerio": "^1.0.0-rc.1",
-    "connect-mongo": "^1.3.2",
+    "connect-redis": "^3.3.3",
     "cookie-parser": "~1.4.3",
     "crypto": "0.0.3",
     "debug": "~2.2.0",