馬老師 雲端研究室

Passion inspires professional

馬老師 雲端研究室

AngularJS – Controller 介紹篇

by · 2015-02-06

繼續AngularJS的介紹，接下來我們看看controller的應用，以商品介紹的頁面為例，來看看這些資料要如何呈現在頁面上，想要呈現的資料有產品名稱、價格以及描述。

為了方便文章閱讀，本篇將application翻譯成應用程式；controller翻譯成控制器

AngularJS Part2 Slide1

控制器負責定義函數和值來決定整個應用程式的行為，同樣我們把Javascript和HTML分開來開發，在app.js內定義應用程式名稱和控制器的名稱、函數與值，在這次的案例中也提到利用(function(){})()包裝整個javascript是一種好習慣，有關於函式的基本觀念，大家可以閱讀一下這篇文章，介紹的還蠻詳細的！包裝部分的概念可參考其中介紹的立即函示（IIFE – Immediately Invoked Function Expression）。

AngularJS Part2 Slide2

定義好之後可以開始定義該控制器內的值，其中this.product=gem的意思是指未來在輸出時可以利用product.name去取得Dodecahedron；product.price去取得2.95…等等。

AngularJS Part2 Slide3

接下來就是把這些值顯示在網頁上，首先可以在div標籤內加上ng-controller=”StoreController as store”的屬性，其中ng-controller是去指定StoreController為該div內的控制器名稱；store是別名（類似綽號）未來呼叫store時就是在呼叫StoreController這個控制器。

AngularJS Part2 Slide5

在HTML標籤內開始輸出該控制器內的值，分別是：store.product.name、store.product.price、store.product.description三個項目，而在頁面上就會看到這三個值被顯示出來了。

AngularJS Part2 Slide6

需要注意的是，如果我們把輸出值部分的程式碼放在div外側的話，會沒有辦法順利的顯示值，因為我們的控制器是指定於div標籤內，離開了div標籤就無法取得該控制器了。

AngularJS Part2 Slide7

本篇的教學就到這邊，大家也可以透過JS Bin來測試或閱讀本次案例的程式碼。

<!DOCTYPE html>
<html ng-app="store">
<head>
<meta name="description" content="controllerExample">
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.3.2/angular.min.js"></script>
  <meta charset="utf-8">
  <title>controllerExample</title>
</head>
<body>
  
  <div ng-controller="StoreController as store">
    <h1>{{ store.product.name }}</h1>
    <h2>{{ store.product.price }}</h2>
    <p>{{ store.product.description }}</p>
  </div>
  
</body>
</html>
(function(){
  var app = angular.module('store',[]);
  
  app.controller('StoreController',function(){
    this.product = item;
  });
  
  var item = {
    name:"馬老師雲端研究室 滑鼠墊",
    price:"350",
    description:"有些人認為滑鼠墊就只是種簡單的產品。無非是將滑鼠放於上方並將之滑來拖去。 “表面”上來說確實如此（一語雙關）。但實際上，製造能帶來卓越遊戲體驗的滑鼠墊卻需要結合眾多科學、技術和工藝。身為遊戲滑鼠技術的世界領先者，對如何使滑鼠感測器高效運作我們獨樹一幟。運用專門知識來製造適合的滑鼠墊表面，讓滑鼠感測器得以作出高效而精確的反應。",    
  };
  
})();

※以上截圖部分為AngularJS官方教學視訊，另有控制器指令介紹的專頁。

Tags:

You may also like...

9,302 Responses

  1. Martypisn表示:
    2022-09-2208:11:38

    essay editing service reviews
    best writing service
    argumentative essay helper

    回覆
  2. Martypisn表示:
    2022-09-2206:55:42

    custom law essay
    help write essay
    best essay cheap

    回覆
  3. Alvinimave表示:
    2022-09-2206:45:43

    Whoa tons of great facts.
    how to write a good analytical essay essay writings hire writer

    回覆
  4. Alvinimave表示:
    2022-09-2202:00:57

    Information very well used.!
    write me a essay argumentative essay writing help

    回覆
  5. Brucetoush表示:
    2022-09-2123:47:20

    Lovely write ups. Thanks!
    navarro pharmacy medicine online shopping pharmacy uk

    回覆
  6. Wendelldub表示:
    2022-09-2119:23:31

    You made your position very clearly..
    canadian drugs online pharmacy pharmacy in canada canadapharmacy

    回覆
  7. Alvinimave表示:
    2022-09-2117:43:45

    Really plenty of terrific info!
    how to write a scientific essay academic writing essay personal statement writing services

    回覆
  8. Alvinimave表示:
    2022-09-2112:55:17

    Wow quite a lot of beneficial facts.
    what is a hook in writing an essay writing my essay how to find a ghostwriter

    回覆
  9. Jujutsu Kaisen 0 Film Complet表示:
    2022-09-2111:40:45

    I will share you blog with my sis.

    回覆
  10. Brucetoush表示:
    2022-09-2109:56:20

    Thanks, Loads of stuff.
    prescription drug assistance canadian meds pharmacy tech

    回覆
  11. Dorolisapisn表示:
    2022-09-2109:51:16

    cheap essay writer service
    help me write an essay
    the best essay writer

    回覆
  12. Dorolisapisn表示:
    2022-09-2108:39:26

    essay about service
    help me essays
    professional essay writers

    回覆
  13. Wendelldub表示:
    2022-09-2105:36:39

    You actually explained that effectively.
    london drugs canada prescription drugs without doctor approval mexican pharmacy online medications

    回覆
  14. Alvinimave表示:
    2022-09-2104:45:11

    Thank you! Terrific stuff.
    how to write an essay about a poem https://freshappshere.com/ custom writing companies

    回覆
  15. Alvinimave表示:
    2022-09-2100:09:16

    Lovely info, Regards!
    starting a college essay with a quote community service essay top 10 essay writing services

    回覆
  16. Alvinimave表示:
    2022-09-2023:49:23

    Thank you! I like it.
    essay help college https://quality-essays.com/ professional essay writing service

    回覆
  17. MABAKAWLBIXyf表示:
    2022-09-2023:36:24

    order kamagra buy sildenafil online order sildenafil 50mg online cheap

    回覆
  18. mycreditfocus.com表示:
    2022-09-2021:31:33

    Very fine blog.

    回覆
  19. Brucetoush表示:
    2022-09-2020:08:14

    With thanks. A lot of facts.
    canada prescription drugs canadian pharcharmy get prescription online

    回覆
  20. Wendelldub表示:
    2022-09-2015:51:55

    Regards. I value it.
    buy medication without an rx pharmacies in canada buy generic viagra online

    回覆
  21. PABAKAWLBIXlj表示:
    2022-09-2014:46:50

    buy pregabalin pills pregabalin us order lyrica 75 mg pills

    回覆
  22. Marrispisn表示:
    2022-09-2014:38:04

    essay writing service recommendation
    do my essay for cheap
    what can i write my essay on

    回覆
  23. Marrispisn表示:
    2022-09-2013:20:46

    mba essay editing service
    help writing an essay for college
    online essay help chat

    回覆
  24. Alvinimave表示:
    2022-09-2011:11:17

    Thanks. I like this.
    buy essays essays writers i need an essay written

    回覆
  25. Alvinimave表示:
    2022-09-2010:50:10

    With thanks, I enjoy it.
    how to write introduction for essay essay writing service discount code mba thesis writers

    回覆
  26. Brucetoush表示:
    2022-09-2006:21:48

    Regards, Useful stuff.
    best 10 online canadian pharmacies overseas pharmacies prescription drugs online without

    回覆
  27. Alvinimave表示:
    2022-09-2002:47:45

    Great postings, Many thanks.
    importance of a college education essay my college experience essay custom assignment writing

    回覆
  28. PABAKAWLBIXpo表示:
    2022-09-2002:17:44

    purchase lyrica without prescription lyrica 75 mg canada pregabalin 150mg oral

    回覆
  29. Wendelldub表示:
    2022-09-2002:03:53

    Thanks. I enjoy this.
    compare rx prices walmart online pharmacy online canadian pharmacies

    回覆
  30. Alvinimave表示:
    2022-09-1921:56:09

    Kudos. A good amount of advice.
    writing numbers in an essay how can i write an essay cheap dissertation writing services

    回覆

發佈留言

發佈留言必須填寫的電子郵件地址不會公開。