<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="/js/angular.js1.4.6/angular.min.js"></script>
</head>
<body ng-app="">
<input ng-copy="count = count + 1" ng-init="count=0" value="拷贝这个文本" />
<p>文本被拷贝 {{count}} 次。</p>
<p>实例中变量 "count" 的值在输入框的文本被拷贝时会自动增加 1。</p>
</body>
</html>