filter 过滤器从数组中选择一个子集
输入过滤器可以通过一个管道字符和一个过滤器添加到指令中，该过滤器后面跟着一个冒号：冒号后面是一个模型名称。
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta http-equiv="X-UA-Compatible"content="IE=edeg" />
<meta name="viewport"content="width=device-width,initial-scale=1" />
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<![endif]-->
<title></title>
<meta charset="utf-8" />
<link rel="stylesheet"href="bootstrap-3.3.5/dist/css/bootstrap.min.css" />
</head>
<body>
<div class="container">
<div data-ng-app="myApp"data-ng-controller="namesCtrl">
<input type="text"data-ng-model="test" />
<ul>
<li data-ng-repeat="x in names | filter:test | orderBy:'name'"> <!--filter过滤器用于从数组中选择一个子集-->
{{x.name+" "+x.age}}
</li>
</ul>
</div>
</div>
<script src="jQuery/jquery-2.1.4.js"></script>
<script src="bootstrap-3.3.5/dist/js/bootstrap.min.js"></script>
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<script src="js/namesCtrl.js">
</script>
</body>
</html>
