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AngularJS過濾器過濾器


顯示包含字母“A”的項目:

<div ng-app="myApp" ng-controller="arrCtrl">

<ul>
<li ng-repeat="x in cars | filter : 'A'">{{x}}</li>
</ul>

</div>

<script>
var app = angular.module('myApp', []);
app.controller('arrCtrl', function($scope) {
    $scope.cars = ["Aston Martin", "Audi", "Bentley", "BMW", "Bugatti"];
});
</script>
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定義和用法

filter過濾使我們能夠過濾一個數組,並且僅返回包含匹配項的數組。

該過濾器僅可用於陣列。


句法

{{ arrayexpression | filter : expression : comparator }}

參數值

Value Description
expression The expression used when selecting items from the array. The expression can be of type:

String: The array items that match the string will be returned.

Object: The object is a pattern to search for in the array. Example: {"name" : "H", "city": "London"} will return the array items with a name containing the letter "A", where the city contains the word "London". See example below.

Function: A function which will be called for each array item, and items where the function returns true will be in the result array.
comparator Optional. Defines how strict the comparison should be. The value can be:

true : Returns a match only if the value of the array item is exactly what we compare it with.

false : Returns a match if the value of the array item contains what we compare it with. This comparison is not case sensitiv. This is the default value.

function : A function where we can define what will be considered a match or not.

更多示例

使用對象作為過濾器:

<div ng-app="myApp" ng-controller="arrCtrl">

<ul>
<li ng-repeat="x in customers | filter : {'name' : 'O', 'city' : 'London'}">
    {{x.name + ", " + x.city}}
</li>
</ul>

</div>

<script>
var app = angular.module('myApp', []);
app.controller('arrCtrl', function($scope) {
    $scope.customers = [
        {"name" : "Alfreds Futterkiste", "city" : "Berlin"},
        {"name" : "Around the Horn", "city" : "London"},
        {"name" : "B's Beverages", "city" : "London"},
        {"name" : "Bolido Comidas preparadas", "city" : "Madrid"},
        {"name" : "Bon app", "city" : "Marseille"},
        {"name" : "Bottom-Dollar Marketse" ,"city" : "Tsawassen"},
        {"name" : "Cactus Comidas para llevar", "city" : "Buenos Aires"}
    ];
});
</script>
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做一個“嚴”相比較而言,除非該值是完全一樣的表達不返回匹配:

<div ng-app="myApp" ng-controller="arrCtrl">

<ul>
<li ng-repeat="x in customers | filter : 'London' : true">
    {{x.name + ", " + x.city}}
</li>
</ul>

</div>

<script>
var app = angular.module('myApp', []);
app.controller('arrCtrl', function($scope) {
    $scope.customers = [
        {"name" : "London Food", "city" : "London"},
        {"name" : "London Catering", "city" : "London City"},
        {"name" : "London Travel", "city" : "Heathrow, London"}
    ];
});
</script>
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相關頁面

AngularJS教程: 角過濾器