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EmberJS 路由器默認(rèn)值和反序列化

2018-01-04 10:54 更新

描述

將默認(rèn)值傳遞給controller query參數(shù)屬性，其值將不會序列化到URL中。

語句

Ember.ArrayController.extend({
   queryParams: 'queryParameterName',
   queryParameterName: defaultValue
});

例子

<!DOCTYPE html>
<html>
   <head>
      <title>Emberjs Default Values and Deserialization</title>
      <!-- CDN's -->
      <script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/3.0.1/handlebars.min.js"></script>
      <script src="https://code.jquery.com/jquery-2.1.3.min.js"></script>
      <script src="https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.10.0/ember.min.js"></script>
      <script src="https://builds.emberjs.com/tags/v1.10.0-beta.3/ember-template-compiler.js"></script>
      <script src="https://builds.emberjs.com/release/ember.debug.js"></script>
      <script src="https://builds.emberjs.com/beta/ember-data.js"></script>
   </head>
   <body>
      <script type="text/x-handlebars" data-template-name="application">
         <h3>Enter values to add and default value is 1:</h3>
         <form {{action "addQuery" on="submit"}}>
            {{input value=queryParma}}
            <input type="submit" value="Send Tag"/>
         </form>
      </script>

      <script type="text/javascript">
         App = Ember.Application.create();

         App.ApplicationController = Ember.ArrayController.extend({
            //assigning query parameter name as 'query'
            queryParams: 'query',
            //assigning the query param to a default value as 1
            query: 1,

            queryParma: Ember.computed.oneWay('query'),
            actions: {
               addQuery: function() {
                  this.set('query', this.get('queryParma'));
                  document.write(this.get('query'));
               }
            }
         });
      </script>
   </body>
</html>

輸出

讓我們執(zhí)行以下步驟，看看上面的代碼如何工作：

將上面的代碼保存在routing_deflt_val.html文件中
在瀏覽器中打開此HTML文件。

以上內(nèi)容是否對您有幫助：

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