我收到了一個指令testDirective
,它在運行時編譯另一個指令testChart
。在testDirective
我將有一個變量,在本例中它將被更新爲scope.list = [1,2,3,4,5];
。在第一次運行期間,指令testChart
將識別其起始值$scope.list
,但$scope.list
在setInterval
中得到更新。 testChart
中的手錶不能編譯。這是爲什麼?我怎樣才能得到一個編譯指令,從它被編譯的地方看一個變量?
<!DOCTYPE html>
<html>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js"></script>
<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>
<body ng-app="myApp">
<test-directive>
</test-directive>
<script>
var app = angular.module("myApp", []);
app.directive("testDirective", ["$compile", function($compile) {
return {
restrict: 'AE',
link: function (scope, element, attrs) {
scope.list = [1,2,3,4,5];
setInterval(function() {
for (var i = 0; i < scope.list.length; i++) {
scope.list[i] = scope.list[i] * 2;
}
}, 10000);
let content = angular.element('<test-chart></test-chart>');
element.append(content);
$compile(element.contents())(scope);
}
};
}]);
app.directive('testChart', function() {
return {
restrict: 'E',
transclude: true,
controllerAs: 'chartCtrl',
template: '<div><ng-transclude></ng-transclude></div>',
controller: ['$scope', '$element', '$attrs', '$compile', function ChartController($scope, $element, $attrs, $compile) {
//var html = $element.html();
$scope.$watch('list', function() {
console.log($scope.list);
});
$scope.chartId = $scope.$id;
//$element.html(html);
let content = angular.element('<div><div id="container'+ $scope.chartId + '"></div></div>');
$element.append(content);
var html = $element.html();
var hc = Highcharts.chart('container' + $scope.chartId, {
});
}]
};
})
</script>
</body>
</html>
https://www.w3schools.com/code/tryit.asp?filename=FIW7BMREF7L2
正確的答案是你的答案和Tjaart van der Walt –