这就是我使用jQuery完成此操作的方式-我认为有更好的方法。
var app = angular.module('angularjs-starter', []);
app.directive('shortcut', function() {
return {
restrict: 'E',
replace: true,
scope: true,
link: function postLink(scope, iElement, iAttrs){
jQuery(document).on('keypress', function(e){
scope.$apply(scope.keyPressed(e));
});
}
};
});
app.controller('MainCtrl', function($scope) {
$scope.name = 'World';
$scope.keyCode = "";
$scope.keyPressed = function(e) {
$scope.keyCode = e.which;
};
});
<body ng-controller="MainCtrl">
<shortcut></shortcut>
<h1>View keys pressed</h1>
{{keyCode}}
</body>
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