带有HTML元素的三元语句

Pet*_*sma 2 angularjs

我正在尝试创建一个也使用HTML元素的三元语句:

{{vm.showDetails ? <span>asd</span> : <span>red</span> }}
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但浏览器输出是:

{{vm.showDetails ? 'asd' : 'red'}}
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如果我删除标签然后三元语句工作正常,是不是可以在三元语句中使用HTML元素?

Ale*_*vey 6

要呈现这样的HTML元素,在某些条件下,您可能需要一个指令$compile(因为它们负责DOM操作),或者使用hack - ng-bind-html,来自ngSanitize模块.

这是一个例子:

var app = angular.module('myApp', ["ngSanitize"]);
app.controller('myCtrl', function($scope) {
  var vm = this;
  vm.showDetails = true;
});

/* a useful filter for other unsafe HTML elements */
app.filter('trustAsHtml', function($sce) {
  return $sce.trustAsHtml;
});
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<!DOCTYPE html>
<html>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular-sanitize/1.6.9/angular-sanitize.js"></script>

<body>
  <div ng-app="myApp" ng-controller="myCtrl as vm">

    <input type="checkbox" ng-model="vm.showDetails" />
    vm.showDetails
    <hr>

    <div ng-bind-html="vm.showDetails ? '<span>asd</span>' : '<span>red</span>'"></div>

  </div>
</body>
</html>
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