如何在角指令访问DOM元素 [英] How to access a dom element in a Angular directive

问题描述

我想一个keyup事件附加到指令的角度我的项目。这里是指令：

I am trying to attach a keyup event to a directive an my Angular project. Here is the directive:

angular.module('clinicalApp').directive('chatContainer', function() {
  return {
    scope: {
      encounter: '=',
      count: '='
    }
    templateUrl: 'views/chat.container.html',

    link: function(scope, elem, attrs) {
      scope.count = 500;
    }
  };
});

和这里是从模板的HTML：

and here is the html from the template:

<div class="span4 chat-container">
  <div class="chat-body">
    <form accept-charset="UTF-8" action="#" method="POST">
      <div class="text-area-container">
        <textarea id="chatBox" class="chat-box" rows="2"></textarea>
      </div>
      <div class="button-container btn-group btn-group-chat">
        <input  id="comment" class="btn btn-primary btn-small btn-comment disabled"  value="Comment" ng-click="addMessage()"/>
      </div>
    </form>
    </div>
  </div>
</div>

我要访问的客舱我的链接功能和keyup事件附加到它。我知道我可以用jQuery得到它，但是这不能成为角的方式。什么是抓住从DOM该元素的正确方法？

I want to access the chatbox in my link function and attach the keyup event to it. I know I can get it with jQuery, but that cannot be the Angular way. What is the proper way to grab that element from the dom?

推荐答案

您可以轻松地角 <$ C做$ C>元素 找到（）方法：

You can easily do it with Angular' element' find() method:

 var chatbox = elem.find("textarea");  // Finding
 chatbox.bind("keyup",function(){      // Binding
     console.log("KEYUP!")
 })

活生生的例子： http://jsfiddle.net/cherniv/S7XdK/

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