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();
});
//
http://localhost:3000/user/42/2323
//
[nodemon] restarting due to changes...
[nodemon] starting `node app.js`
app is running at port 3000
22
33
//param
const 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();
});
//
http://localhost:3000/user/42
//
[nodemon] restarting due to changes...
[nodemon] restarting due to changes...
[nodemon] starting `node app.js`
app is running at port 3000
11 42
22
33
do not know why according to the official document, the first parameter passed an array and multiple param can not get in, ask the bosses to help