express router.param（[name] callback）为什么name传数组多个

Question

const express = require('express')const router = express.Router()const Student = require('../students')router.param(['id','page'], function (req, res, next, value) {    console.log('11', value);    next();  })router.get('/user/:id/:page', function (req, res, next) {    console.log('22');    next();});  router.get('/user/:id/:page', function (req, res) {    console.log('33');    res.end();});//浏览器  http://localhost:3000/user/42/2323//控制台结果[nodemon] restarting due to changes...[nodemon] starting `node app.js`app is running at port 30002233//数组里面只有一个值，或者第一个参数直接传一个paramconst express = require('express')const router = express.Router()const Student = require('../students')router.param(['id'], function (req, res, next, value) {    console.log('11', value);    next();  })router.get('/user/:id', function (req, res, next) {    console.log('22');    next();});  router.get('/user/:id', function (req, res) {    console.log('33');    res.end();});//浏览器  http://localhost:3000/user/42//控制台结果[nodemon] restarting due to changes...[nodemon] restarting due to changes...[nodemon] starting `node app.js`app is running at port 300011 422233不知道为什么 按官方文档来的， 第一个参数传数组且多个param 就进不去，求大佬们帮助下

Answer 1

最后发现原因是 router.param 不接受多参数的， 但是express中文文档没人维护 API没更新，引发的错误。