1 //获取一篇文章，根据用户名，发表日期以及文章名精确获取一篇文章
 2 Post.getOne = function(name, day, title, callback) {
 3       //打开数据库
 4       mongodb.open(function (err, db) {
 5         if (err) {
 6           return callback(err);
 7         }
 8         //读取 posts 集合
 9         db.collection('posts', function (err, collection) {
10               if (err) {
11                 mongodb.close();
12                 return callback(err);
13               }
14           //根据用户名、发表日期及文章名进行查询
15               collection.findOne({
16                 "name": name,
17                 "time.day": day,
18                 "title": title
19               }, function (err, doc) {
20                 mongodb.close();
21                 if (err) {
22                   return callback(err);
23                 }
24                 //解析 markdown 为 html
25                 doc.post = markdown.toHTML(doc.post);
26                 callback(null, doc);//返回查询的一篇文章
27               });
28         });
29       });
30 };

//用户页面路由
router.get('/u/:name', function(req, res) {//检查用户是否存在User.get(req.params.name, function(err, user) {if(!user) {req.flash('error', '用户不存在！');return res.redirect('/');    //用户不存在则跳转到主页
        }//查询并返回该用户的所有文章Post.getAll(user.name, function(err, posts) {if(err) {req.flash('error', err);return res.redirect('/');}res.render('user', {title: user.name,posts: posts,user: req.session.user,success: req.flash('success').toString(),error: req.flash('error').toString()});});});
});//文章页面路由
router.get('/u/:name/:day/:title', function(req, res) {Post.getOne(req.params.name, req.params.day, req.params.title, function(err, post) {if(err) {req.flash('error', err);return res.redirect('/');}res.render('article', {title: req.params.title,post: post,user: req.session.user,success: req.flash('success').toString(),error: req.flash('error').toString()});});
});

<!-- 发表的文章内容 --><div class="list-group"><%  posts.forEach(function(post, index) { %> <div class="list-group-item"><h4><a href="/u/<%= post.name %>/<%= post.time.day %>/<%= post.title %>"><%= post.title %></a></h4><p class="list-group-item-text" style="padding: 10px 0;"><%- post.post %></p><p class="info"><a href="/u/<%= post.name %>"><%= post.name %></a>&nbsp;&nbsp;发布于：&nbsp;&nbsp;<%= post.time.minute %><span class='glyphicon glyphicon-comment' style="padding:0 10px;">评论(0)</span><span class="glyphicon glyphicon-share-alt">阅读(0)</span></p></div><% }); %>

<div class='container'><p class="list-group-item-text" style="padding: 10px 0;"><%- post.post %></p><p class="info"><a href="/u/<%= post.name %>"><%= post.name %></a>&nbsp;&nbsp;发布于：&nbsp;&nbsp;<%= post.time.minute %><span class='glyphicon glyphicon-comment' style="padding:0 10px;">评论(0)</span><span class="glyphicon glyphicon-share-alt">阅读(0)</span></p>
</div>