Angular 插值字符串

<!DOCTYPE html>

<html>

<head>

    <meta charset="utf-8">

    <title></title>

    <script src="js/angular.min.js"></script>

    <script>

        angular.module('myApp', []).controller('MyController', function($scope, $interpolate) {

            // 设置监听

            $scope.$watch('emailBody', function(body) {

                if (body) {

                    var template = $interpolate(body)

                    $scope.previewText = template({to: $scope.to})

                }

            })

        })

    </script>

</head>

<body ng-app="myApp">

    <div ng-controller="MyController">

        <input ng-model="to" type="text" placeholder="Recipient">

        <textarea ng-model="emailBody"></textarea>

        <pre>{{ previewText }}</pre>

    </div>

</body>

</html>
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Angular 插值字符串

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