nodejs route 规则配置

http://node-js.diandian.com/post/2012-07-03/40029072624

 

app.get('/users/:id?', function(req, res, next){                       

 

    var id = req.params.id;                       

 

    if (id) {                       

 

        // do something                       

 

    } else {                       

 

        next();                       

 

    }                       

 

});                       

 

                         

正则表达式：                         

 

app.get(/^\/users?(?:\/(\d+)(?:\.\.(\d+))?)?/, function(req, res){                                  

 

    res.send(req.params);                                  

 

});