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JAVASCRIPT網頁應用程式設計
book

JAVASCRIPT網頁應用程式設計

by Alex MacCaw
January 2013
Intermediate to advanced
332 pages
5h 23m
Chinese
GoTop Information, Inc.
Content preview from JAVASCRIPT網頁應用程式設計
JavaScriptMVC 函式庫
|
247
建立控制器的實體
如果想要建立控制器的實體,可以呼叫
new Controller(element, options)
,並傳入一
HTML 元件(jQuery 包裝過的元件),以及一組用來對控制器進行各種設定的物件
(非必傳)。就像這樣:
new List($('ul#tasks'), {model : Task});
也可以利用 jQuery 的輔助函式,為
#tasks
元件建立一組 List 控制器的實體:
$('ul#tasks').list({model : Task})
建立控制器實體時,會呼叫控制器的原型函式
init
,並傳入下列參數:
this.element
jQuery 包裝過的 HTML 元件
this.options
傳給控制器的設定值物件,會和類別的
defaults
物件合併
接下來這段程式裡的 List 控制器,會透過模型取得最新的資料,然後再利用這些資料
更新模版內容(建立控制器實體時,可傳入一組非必傳的 template 參數指定模版儲存位
):
$.Controller("List", {
defaults : {
template: "items.ejs"
}
}, {
init : function(){
this.element.html( this.options.template, this.options.model.findAll() );
},
"li click" : function(){ }
}); ...
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Publisher Resources

ISBN: 9789862766811