#Express validate.js验证框架的中间件包装器＃＃安装$ npm install express-validate.js ＃＃例子var validate = require ( 'express-validate.js' ) , express = require ( 'express' ) ; express ( ) . get ( '/user/:userId/:page?' , validate ( { userId : { scope : 'route' , presence : true , format : { pattern : / d { 5 } / , message : 'must be a five digit number' }