express.js + node.js build up restful api

quote.js

//使用express.js+ node.js搭建restful api


var express = require('express');
var app = express();

app.use(express.bodyParser());

var quotes = [
  { author : 'Audrey Hepburn', text : "Nothing is impossible, the word itself says 'I'm possible'!"},
  { author : 'Walt Disney', text : "You may not realize it when it happens, but a kick in the teeth may be the best thing in the world for you"},
  { author : 'Unknown', text : "Even the greatest was once a beginner. Don't be afraid to take that first step."},
  { author : 'Neale Donald Walsch', text : "You are afraid to die, and you're afraid to live. What a way to exist."}
];

app.listen(process.env.PORT || 3412);

app.get('/', function (req, res) {
   res.json(quotes);
});

app.get('/quote/random', function (req, res){
  var id = Math.floor(Math.random() * quotes.length);
  var q = quotes[id];
  res.json(q);
});
app.get('/quote/:id', function (req, res) {
  if (quotes.length <= req.params.id || req.params.id<0) {
    res.statusCode =  404;
    return res.sentd('Error 404: no quote found');
  }
  console.log(req.params);
  var q = quotes[req.params.id];
  res.json(q);
});


app.post('/quote', function (req, res) {
    if(!req.body.hasOwnProperty('author') || !req.body.hasOwnProperty('text') ) {
      res.statusCode = 400;
      return res.send('Error 400: Post Syntax Incorrect');
    }
    var newQuote = {
      author : req.body.author,
      text : req.body.text
    };
    console.log(newQuote);
    quotes.push(newQuote);
    res.json(true);
});


app.delete('/quote/:id', function (req, res) {
  console.log(req);
  if (quotes.length <= req.params.id || req.params.id<0) {
    res.statusCode =  404;
    return res.sentd('Error 404: no quote found');
  }
  quotes.splice(req.params.id, 1);
  res.json(true);

});