如何在angularjs中使用filter

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.7.9/angular.min.js"></script>

<div ng-app="myApp">
  <!-- 应用内容 -->
</div>

<div ng-app="myApp" ng-controller="myCtrl">
  <!-- 应用内容 -->
</div>

<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
  // 控制器逻辑
});
</script>

<div ng-app="myApp" ng-controller="myCtrl">
  <input type="text" ng-model="searchText">
  <ul>
    <li ng-repeat="item in items | filter:searchText">
      {{ item }}
    </li>
  </ul>
</div>

<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
  $scope.items = ['Apple', 'Banana', 'Orange', 'Mango'];
});
</script>