express4.x中的链式路由句柄

 1 var express = require("express");
 2 var router = express();
 3 
 4 router.get('/', function (req, res) {
 5     res.render('articles', {titles: '文章页', content: '这是文章页的内容,method==' + req.method});
 6 })
 7     .post('/', function (req, res) {
 8         res.json({msg: "添加文章成功"})
 9     })
10     .put('/', function (req, res) {
11         if (req.body.id) {
12             res.json({msg: "文章修改成功"})
13         }
14     });
15 
16 module.exports = router;