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params-query

var express = require("express");

var router = express.Router();

params​

可以用：讓 router 中的路徑位置變成 params 的參數

https://gist.github.com/thomas-chu-30/94c1acde0a35a7ed0e21c76d200729e1#file-express-get-params

// url => /user/thomas/18
var express = require("express");
var router = express.Router();
router.get("/user/:name/:age", function (req, res) {
    let params = req.params;
    console.log(params); // { name: 'thomas', age: '18' }
    res.send(
        `
        <html>
            <body>
                <h1>${params.name}</h1>
                <h2>${params.age}</h2>
            </body>
        </html>
        `
  );
});

query​

// /user/thomas/18?limite=20
var express = require("express");
var router = express.Router();
router.get("/user/:name/:age", function (req, res) {
    let params = req.params;
    console.log(params); // { name: 'thomas', age: '18' }
    console.log(req.query); // { limite: 20 }
    res.send(
    `
    <html>
        <body>
            <h1>${params.name}</h1>
            <h2>${params.age}</h2>
            <h3>只有${req.query.limite}多筆資料</h3>
        </body>
    </html>
    `
    );
});