雑感: 5月 2019

2019年5月1日水曜日

heroku, node express node-postgresql(pg) ,html+css on node.js

heroku login が異常に長くなったので .netrcを消したら戻った！

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※helo.ejs

  <body>

    <h1><%= title %></h1>

    <%= msg %>

    <form method="post" action="/helo"> // /post is mistype of tuyano

        <input type="text" name="input1"

            value="<%= input %>">

        <input type="submit">

    </form>

  </body>

※helo.js

var express = require('express');

var router = express.Router();

/* GET helo page. */

router.get('/', function(req, res, next) {

    var p1 = req.query["p1"];

    var p2 = req.query.p2;

    var msg = p1 == undefined ? "" : p1 + "," + p2;

    res.render('helo', 

        {

            title: 'HELO Page',

            msg: msg,

            input: ''

        }

    );

});

/* POST helo page. */

router.post('/', function(req, res, next) {

var str = req.body['input1'];

    res.render('helo', 

        {

            title: 'HELO Page',

            msg: "you typed: " + str,

            input: str

        }

    );

});

module.exports = router; // this line is necessary!!

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https://symfoware.blog.fc2.com/blog-entry-2114.html for pg@7(promiseOK?)
pg@6の例題も多いが、pg-promiseに移行しつつある
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https://qiita.com/Suibari_cha/items/48da8519d6f363925b6a これで複雑な構成のHTML＋CSSもnode.jsに乗っけれる google driveに成功例をおいた engines
:nodeにVが必須(package.json), listen(....||3000,....)はlibro!