From f0dfefa58657853f6d7879f081366443563de5e9 Mon Sep 17 00:00:00 2001
From: Sascha Schulz <sschulz@dh-software.de>
Date: Mi, 05 Apr 2023 15:34:55 +0200
Subject: [PATCH] finish chapter HTTP and add chapter JSON
---
index.html | 211 +++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 205 insertions(+), 6 deletions(-)
diff --git a/index.html b/index.html
index 127ca19..8207769 100644
--- a/index.html
+++ b/index.html
@@ -27,14 +27,15 @@
<h3>Grundlagen</h3>
<ul>
<li>HTML/CSS/JS</li>
- <li>JSON</li>
<li>HTTP-Protokoll</li>
+ <li>JSON</li>
<li>Debugger</li>
</ul>
</section>
<section>
<h3>Fortgeschrittenes</h3>
<ul>
+ <li>JavaScript</li>
<li>NodeJS</li>
<li>Responsive Design</li>
<li>CSS-Animationen</li>
@@ -687,14 +688,212 @@
</section>
<section>
<ul>
- <li>Befindet sich auf den OSI-Schichten 5, 6 und 7</li>
- <li>Basiert auf dem Anfrage-Antwort-Prinzip</li>
- <li>Basiert auf reinem Text</li>
+ <li>OSI-Schichten 5, 6 und 7</li>
+ <li>Anfrage-Antwort-Prinzip</li>
+ <li>Basiert auf einfachem Text</li>
</ul>
</section>
<section>
- <p><code>npm install http-server</code></p>
- <p><code>npx http-server --port 3000</code></p>
+ <table>
+ <tr><th>Version</th><th>Jahr</th></tr>
+ <tr><th>0.9</th><th>1991</th></tr>
+ <tr><th>1.0</th><th>1996</th></tr>
+ <tr><th>1.1</th><th>1999</th></tr>
+ <tr><th>2.0</th><th>2015</th></tr>
+ <tr><th>3.0</th><th>2022</th></tr>
+ </table>
+ </section>
+ <section>
+ <p>Request an www.google.de</p>
+ <pre>
+ <code class="http" data-trim data-line-numbers>
+ GET / HTTP/1.1
+ Host: www.google.de
+ User-Agent: curl/7.88.1
+ Accept: */*
+ </code>
+ </pre>
+ </section>
+ <section>
+ <p>Response von www.google.de</p>
+ <pre>
+ <code class="http" data-trim data-line-numbers>
+ HTTP/1.1 200 OK
+ Date: Tue, 04 Apr 2023 15:45:26 GMT
+ Expires: -1
+ Cache-Control: private, max-age=0
+ Content-Type: text/html; charset=ISO-8859-1
+ Content-Security-Policy-Report-Only: [...]
+ Server: gws
+ X-XSS-Protection: 0
+ X-Frame-Options: SAMEORIGIN
+ Set-Cookie: [...]
+ Accept-Ranges: none
+ Vary: Accept-Encoding
+ Transfer-Encoding: chunked
+
+ <!doctype html><html>...</html>
+ </code>
+ </pre>
+ </section>
+ <section>
+ <p>Einfach mal testen:</p>
+ <pre>
+ <code class="bash" data-trim data-line-numbers>
+ curl -v --http1.0 http://www.google.de
+ curl -v --http1.1 http://www.google.de
+ curl -v --http2 http://www.google.de
+ curl -v --http2-prior-knowledge http://www.google.de
+ curl -v --http3 http://www.google.de
+ </code>
+ </pre>
+ </section>
+ <section>
+ <p>Verschiedene "Verben" bzw. "Methoden"</p>
+ <ul>
+ <li>GET</li>
+ <li>POST</li>
+ <li>PUT</li>
+ <li>PATCH</li>
+ <li>DELETE</li>
+ <li>...</li>
+ </ul>
+ </section>
+ <section>
+ <p>Beispiel:</p>
+ <pre>
+ <code class="bash" data-trim data-line-numbers>
+ git clone https://git.furnco.de/r/public/web-development/examples.git
+ cd examples/templates/005-http-rest
+ node index.js
+ </code>
+ </pre>
+ </section>
+ <section>
+ <pre>
+ <code class="text" data-trim data-line-numbers>
+ curl -X GET -is http://localhost:3000/todo
+ curl -X POST -H "Content-Type: application/json" -d '{"name": "Einkaufen"}' -is http://localhost:3000/todo
+ curl -X POST -H "Content-Type: application/json" -d '{"name": "Putzen"}' -is http://localhost:3000/todo
+ curl -X PUT -H "Content-Type: application/json" -d '{"name": "Schlafen"}' -is http://localhost:3000/todo/1
+ curl -X DELETE -is http://localhost:3000/todo/0
+ </code>
+ </pre>
+ </section>
+ <section>
+ <pre>
+ <code class="text" data-trim data-line-numbers>
+ HTTP/1.1 200 OK
+ X-Powered-By: Express
+ Content-Type: application/json; charset=utf-8
+ Content-Length: 13
+ ETag: W/"d-KMmUcQ1kigqtwzZnU+jVDkYP3Co"
+ Date: Wed, 05 Apr 2023 12:05:05 GMT
+ Connection: keep-alive
+ Keep-Alive: timeout=5
+
+ ["Einkaufen"]
+ </code>
+ </pre>
+ </section>
+ <section>
+ <pre>
+ <code class="js" data-trim data-line-numbers="">
+ app.get("/todo", (req, res) => {
+ return res.json(todos);
+ });
+
+ // [...]
+
+ app.post("/todo", (req, res) => {
+ // [...]
+ return res.json(todos);
+ // [...]
+ });
+ </code>
+ </pre>
+ </section>
+ <section>
+ <p><code>GET</code> und <code>POST</code> auf klassischen Webseiten</p>
+ <pre>
+ <code class="html" data-trim data-line-numbers>
+ <form method="post" action="/todo">
+ <input name="todo"><button>add</button>
+ </form>
+ </code>
+ </pre>
+ <p>Beispiel:</p>
+ <pre>
+ <code class="bash" data-trim data-line-numbers>
+ cd examples/templates/006-http-web
+ node index.js
+ </code>
+ </pre>
+ </section>
+ </section>
+ <section>
+ <section>
+ <h3>JSON</h3>
+ </section>
+ <section>
+ <ul>
+ <li><em class="h">J</em>ava<em class="h">S</em>cript <em class="h">O</em>bject <em class="h">N</em>otation</li>
+ <li>Basiert auf reinem Text</li>
+ <li>Format zur strukturierten Speicherung von Daten</li>
+ <li>Attribute müssen immer in doppelte Anführungsstriche (<code>"</code>) gesetzt werden</li>
+ </ul>
+ </section>
+ <section>
+ <p>Definition eines einfachen Objekts in JS</p>
+ <pre>
+ <code class="js" data-trim data-line-numbers>
+ const o = {
+ x: 1,
+ y: 2
+ };
+ </code>
+ </pre>
+ </section>
+ <section>
+ <p>Entsprechung in JSON</p>
+ <pre>
+ <code class="js" data-trim data-line-numbers>
+ {
+ "x": 1,
+ "y": 2
+ }
+ </code>
+ </pre>
+ </section>
+ <section>
+ <p>Mögliche Typen</p>
+ <p>
+ <ul>
+ <li>Number (bzw. Integer / Float)</li>
+ <li>Boolean</li>
+ <li>String</li>
+ <li>Array</li>
+ <li>Object</li>
+ </ul>
+ </p>
+ </section>
+ <section>
+ <p>Der äußere Container kann ein Array oder ein Object sein</p>
+ <pre>
+ <code class="js" data-trim data-line-numbers>
+ {
+ "key": "value",
+ }
+ </code>
+ </pre>
+ <pre>
+ <code class="js" data-trim data-line-numbers>
+ [
+ "foo",
+ "bar"
+ ]
+ </code>
+ </pre>
</section>
</section>
</div>
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