javascript AngularJS 使用 $sce.trustAsHtml 和 ng-repeat
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AngularJS using $sce.trustAsHtml with ng-repeat
提问by ZoM
I'm trying to use $sce.trustAsHtml() with a property of an object in ng-repeat. The result is that the HTML is totally blank. The HTML outputs correctly using ngSanitize though.
我正在尝试将 $sce.trustAsHtml() 与 ng-repeat 中的对象的属性一起使用。结果是 HTML 完全空白。尽管使用 ngSanitize 可以正确输出 HTML。
<div ng-repeat="question in questions">
<p ng-bind-html="$sce.trustAsHtml(question.body)">
</p>
</div>
I'm on AngularJS v1.3.0-beta.3 by the way. Not sure if there's a bug or I do something wrong.
顺便说一下，我正在使用 AngularJS v1.3.0-beta.3。不确定是否有错误或我做错了什么。
回答by gkalpak
You can't use $sce.trustAsHtmlin an expression (unless $sceis a property on the $scope) because expressions are evaluated in the context of the $scope.
您不能$sce.trustAsHtml在表达式中使用（除非$sce是 上的属性$scope），因为表达式是在$scope.
The cleanest approach is to use ngSanitize.
The second cleanest is to expose $sce.trustAsHtmlas a function in the $scope:
最干净的方法是使用ngSanitize.
第二个最干净的方法是$sce.trustAsHtml作为一个函数公开$scope：
<div ng-repeat="...">
<p ng-bind-html="trustAsHtml(question.body)"></p>
</div>
$scope.trustAsHtml = $sce.trustAsHtml;
回答by Moin Haidar
OR have a filter:
或者有一个过滤器：
angular.module('myApp')
.filter("sanitize", ['$sce', function($sce) {
return function(htmlCode){
return $sce.trustAsHtml(htmlCode);
}
}]);
in html:
在 html 中：
<div ng-bind-html="question.body | sanitize"></div>
