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AngularJS json 过滤器


示例

将 JavaScript 对象显示为 JSON 字符串

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

<h1>客户:</h1>

<pre>{{customer | json}}</pre>

</div>

<script>
var app = angular.module('myApp', []);
app.controller('jsCtrl', function($scope) {
    $scope.customer = {
        "name" : "Alfreds Futterkiste",
        "city" : "Berlin",
        "country" : "Germany"
    };
});
</script>
亲自尝试 »

定义和用法

json 过滤器将 JavaScript 对象转换为 JSON 字符串。

此过滤器在调试应用程序时很有用。

JavaScript 对象可以是任何类型的 JavaScript 对象。


语法

{{ object | json : spacing }}

参数值

描述
spacing 可选。一个数字,指定每个缩进使用多少个空格。默认值为 2


更多示例

示例

确保 JSON 字符串以每个缩进 12 个空格编写

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

<h1>客户:</h1>

<pre>{{customer | json : 12}}</pre>

</div>

<script>
var app = angular.module('myApp', []);
app.controller('jsCtrl', function($scope) {
    $scope.customer = {
        "name" : "Alfreds Futterkiste",
        "city" : "Berlin",
        "country" : "Germany"
    };
});
</script>
亲自尝试 »

示例

JavaScript 对象作为数组

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

<h1>汽车名称:</h1>

<pre>{{cars | json}}</pre>

</div>

<script>
var app = angular.module('myApp', []);
app.controller('jsCtrl', function($scope) {
    $scope.cars = ["Audi", "BMW", "Ford"];
});
</script>
亲自尝试 »

相关页面

AngularJS 教程:Angular 过滤器


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