受邀至 GDG Taipei 示範如何應用 Kotlin 做為後端語言，並運用 Ktor 這個 Web 框架實作一個簡單的 Blog CRUD 範例。

1. Ktor 101
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(Shengyou Fan)
GDG Taipei Kotlin Everywhere
2019/08/13

2. Copyright © 2000-2019 JetBrains s.r.o.

3. JetBrains
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4. —
(IDE 10+ ) (Team Tool 4 ) (Languages 2 )

5. —

6. —
https://plugins.jetbrains.com

7. Kotlin
—
• General-purpose
• Static typing
• OOP + FP
• Developed by
JetBrains
• Open Source
(Apache 2.0)
https://kotlinlang.org/
Kotlin https://youtu.be/hg8oYJ8Ez8s

8. Kotlin Multiplatform
—
Browser
Kotlin/JS
Server
Kotlin/JVM
iOS
Kotlin/Native
Android
Kotlin/JVM

9. Kotlin
—
Server
Database
Client
Kotlin/JVM

10. Ktor
—
https://ktor.io/
• Kotlin Framework
• Asynchronous
• Servers + Clients
• Developed by
JetBrains
• Open Source
(Apache 2.0)

11. —
OpenJDK 8+ IntelliJ IDEA Ktor Plugin

12. OpenJDK
—
$ curl -s "https://get.sdkman.io" | bash
$ source "$HOME/.sdkman/bin/sdkman-init.sh"
$ sdk install java
$ sdk list java
$ sdk current java
$ sdk use java <version>
$ sdk default java <version>
$ sdk upgrade java
https://sdkman.io/

13. IntelliJ IDEA
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ToolBox App

14. Ktor Plugin
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Ktor Plugin
Ktor

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Ktor CRUD
•
• Routing
• HTML DSL
• Static Content
• Templating
• Exposed
• CRUD
• Error Handling

16. Ktor Feature
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Client
Ktor App
HTTP Server
Feature
Feature
Feature

17. —
https://github.com/shengyou/20190813-ktor-website

18. —
Kotlin Ktor
Redirect
HTML DSL
Request & Response
Templating
Database & CRUD
Static Content
Error Handling
Routing

19. —
Talking Kotlin http://talkingkotlin.com/ktor-with-ryan-harter/
FreeMarker https://freemarker.apache.org/docs/dgui_quickstart.htmlKtor https://ktor.io/servers/index.html
KotlinConf https://youtu.be/V4PS3IjIzlw

20. Ktor 101
(Shengyou Fan)
shengyou@jetbrains.com
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