嵌套ng-repeat中的Angular ng-bind-html

Question

所以我在ng-repeat中有一个ng-repeat。内部ng-repeat引用了recipe.ingredients＆＃34;中的＆＃34;项。问题是每个＆＃34;项目＆＃34;有特殊字符，除非我使用ng-bind-html，否则不会渲染。但是，当我尝试使用ng-bind-html时，它不起作用。这是html：

这有效，但没有正确显示特殊字符（成分测量的分数）：

<div class="row" ng-repeat="recipe in recipes">
    <h1 class='title'> {{ recipe.title }} </h1>
    <div class="col-md-5">
        <div class="list-group">
            <div class="list-title">Ingredients</div>
            <p class="list-group-item" ng-repeat="item in recipe.ingredients">{{item}}</p>
        </div>
    </div>
</div>

我尝试使用ng-bind-html（这不起作用）：

<div class="row" ng-repeat="recipe in recipes">
    <h1 class='title'> {{ recipe.title }} </h1>
    <div class="col-md-5">
        <div class="list-group">
            <div class="list-title">Ingredients</div>
            <p class="list-group-item" ng-repeat="item in recipe.ingredients" ng-bind-html="item"></p>
        </div>
    </div>
</div>

＆＃34;项目的示例＆＃34;在ng-repeat中：

       {
            id: 1,
            img: "images/beefThumbnail.jpg",
            title: "Potatoes Supreme",
            servings: "Servings: 8 - 10",
            ingredients: [
                "6 medium potatoes, peeled",
                "Salt",
                "½ cup butter or margarine, melted",
                "2 cups shredded Cheddar cheese",
                "⅓ cup chopped green onion",
                "1 pint sour cream",
                "¼ teaspoon pepper",
                "½ teaspoon salt"
            ],
            directions: [
                "Oven 350°",
                "Cook potatoes in boiling salted water until done",
                "The next day grate potatoes coarsely",
                "Mix with remaining ingredients",
                "Place in shallow 1.5 or 2 quart baking dish and bake about 35 minutes"
            ]
        },//end potatoesSupreme

Answer 1

使用$ sce，也不要忘记将其注入控制器

JS

$scope.trustAsHtml = $sce.trustAsHtml

然后在HTML中

<div class="row" ng-repeat="recipe in recipes">
    <h1 class='title'> {{ recipe.title }} </h1>
    <div class="col-md-5">
        <div class="list-group">
            <div class="list-title">Ingredients</div>
            <p class="list-group-item" ng-repeat="item in recipe.ingredients" ng-bind-html="trustAsHtml(item)"></p>
        </div>
    </div>
</div>

Answer 2

如果您不想为每个控制器执行此操作，也可以使用过滤器。

JS

myApp.filter('trustAsHtml',['$sce', function($sce) {
  return function(text) {
    return $sce.trustAsHtml(text);
  };
}]);

HTML

<p class="list-group-item" ng-repeat="item in recipe.ingredients" ng-bind-html="item | trustAsHtml"></p>