<ul class="list-group comment-list">
 {{each comments}}
 <li class="list-group-item">{{$value.content}}<span class="time">{{$value.time}}</span> <span class="name">{{$value.name}}</span></li>
 {{/each}}
</ul>

<link rel="stylesheet" href="/public/lib/bootstrap/dist/css/bootstrap.css">
<link rel="stylesheet" href="/public/css/index.css">
....
<script src="/public/js/index.js"></script>

<form action="/comment" method="GET" role="form" class="comment-form">
 <legend>開始評論</legend>
 <div class="form-group">
 <label for="name">你的大名：</label>
 <input type="text" name="name" class="form-control" id="name" placeholder="請輸入你的大名" required maxlength="10" minlength="2">
 </div>
 <div class="form-group">
 <label for="content">評論內容：</label>
 <textarea name="content" id="content" class="form-control" rows="6" required minlength="5" maxlength="10"></textarea>
 </div>
 <button type

res.statusCode = 302  // 設置響應狀態(tài)碼為302(重定向)
res.setHeader('location', '/') // 設置響應頭location，告訴瀏覽器重定向地址

http.createServer((req, res) => {
 let obj = url.parse(req.url, true) // 得到url模板解析后的Url對象，傳入第二個參數(shù)“true”，將form表單提交的查詢字符串query轉換成對象
 let pathname = obj.pathname
 let query = obj.query
 if (pathname === '/') {
 fs.readFile('./public/views/index.html', (err, data) => {
  if (err) {
  return res.end('404 NOT FOUND')
  }
  let htmlStr = template.render(data.toString(), {
  comments: comments
  })
  res.end(htmlStr)
 })
 } else if (pathname.indexOf('/public/') === 0){
 fs.readFile('.'+pathname, (err, data) => {
  if (err) {
  return res.end('404 NOT FOUND')
  }
  res.end(data)
 })
 } else if (pathname ==='/post') {
 fs.readFile('./public/views/post.html', (err, data) => {
  if (err) {
  return res.end('404 NOT FOUND')
  }
  res.end(data)
 })
 } else if (pathname === '/comment') {
 res.statusCode = 302  // 設置響應狀態(tài)碼為302(重定向)
 res.setHeader('location', '/') // 設置響應頭location，告訴瀏覽器重定向地址
 if (query.name) {
  query.time = '2015-5-10'
  comments.unshift(query)
 } // 放置用戶手動輸入'/comment'，導致query為空
 res.end() // 結束響應，不能少
 } else {
 fs.readFile('./public/views/404.html', (err, data) => {
  if (err) {
  return res.end('404 NOT FOUND')
  }
  res.end(data)
 })
 } 
}).listen(3000, () => {
 console.log('running...')
})