Express框架req,res常用属性与方法

var express = require('express');
var bodyParser = require('body-parser');
var app = express();
//json类型的body数据
app.use(bodyParser.json());
//string类型
app.use(bodyParser.urlencoded(){
    extended:false;
});
//静态文件目录
app.use(express.static(__dirname + '/public));
//路由与业务逻辑
app.get('/',function(req,res){
    res.send('heelo');
});
app.listen(3000);

---

var express = require('express');
var router = express.Router();
router.all('/list',function(req,res){
    console.log(req.method);
    console.log(req.baseUrl);
    console.log(req.path);
    conlose.log(req.headers['user-agent']);
    //获取请求头
    console.log(req.get('user-agent'));
    //获取url查询参数
    console.log(req.query);
    //获取url查询参数id值
    console.log(req.query.id);
    //post请求时获取body的参数值
    console.log(req.body);
    console.log(req.body.name);     
});
router.get('/:id',function(req.res){
    //rest
    console.log(req.params.id); 
    res.send('获取的id为：' + req.params.id);
});
router.get('/fb',function(req,res){
    res.status(403).sned('没有权限访问');
});
router.get('/list',function(req,res){
    res.contentType('applicaption/javascript');
    res.sendFile('/jquery.js',{root:__dirname + '/../public'});
});
router.get('/detail',function(req,res){
    res.json({a:1,b:[true:'ok']});
});
router.get('/index',function(req,res,next){
    res.reader('index',{title:'index'});
});

---

app.set('views',path.join(__dirname,'views'));
app.set('view engine','html');