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) {
$scope.customer = {
"name" : "Alfreds Futterkiste",
"city" : "Berlin",
"country" : "Germany"
};
});
</script>
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定义和用法
The json filter converts a JavaScript object into a JSON string.
This filter can be useful when debugging your applications.
The JavaScript object can be any kind of JavaScript object.
语法
{{ object | json : spacing }}
参数值
| 值 | 描述 |
|---|---|
| spacing | Optional. A number specifying how many spaces to user per indentation. The default value is 2 |
更多示例
示例
Make sure that the JSON string is written with 12 spaces per indentation
<div ng-app="myApp" ng-controller="jsCtrl">
<h1>客户:</h1>
<pre>{{customer | json : 12}}</pre>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('jsCtrl', function($scope) {
$scope.customer = {
"name" : "Alfreds Futterkiste",
"city" : "Berlin",
"country" : "Germany"
};
});
</script>
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示例
JavaScript 对象作为数组
<div ng-app="myApp" ng-controller="jsCtrl">
<h1>汽车名称:</h1>
<pre>{{cars | json}}</pre>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('jsCtrl', function($scope) {
$scope.cars = ["Audi", "BMW", "Ford"];
});
</script>
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相关页面
AngularJS 教程：Angular 过滤器
