我试图设置一个简单的控制器,使用服务进行异步http调用。我为我编写的另一个控制器设置了非常相似的东西,但由于某种原因,这个控制器无法正常工作。这个console.log($ scope.art);在then()块中的行输出正确的数据,但是一旦它不在then()块中,$ scope.art就是未定义的。为什么会这样?我很困惑!
app.controller('FeedbackController', ['$scope','getArt', function($scope, getArt) {
var art = getArt();
art.then(function(result) {
$scope.art = result;
console.log($scope.art);
}, function(reason) {
$scope.error = reason;
});
console.log($scope.art);
}])
.factory('getArt', ['$http', '$q', function($http, $q) {
return function() {
var deferred = $q.defer();
$http.post("/php/getArt.php")
.success(function (response) {
if (response == "nope") {
deferred.reject("Whoopsie! Something seems to have gone wrong.");
} else {
deferred.resolve(response);
}
})
.error(function() {
deferred.reject("There seems to be an issue with your connection.");
});
return deferred.promise;
};
}]);
非常感谢!
哦,老天爷我是一个傻瓜的文章!这很有意义。谢谢! –
欢迎来到javascript&async @CarterScottDavis :) –