我有一个HTTP请求设置为.factory中的承诺,并希望将结果发送到控制器。然而,我坚持把数据从承诺中取出来,放到我可以使用它的地方。
.合肥
.controller('MainCtrl', function ($scope, Main, User) {
$scope.feedResult = function () {
var feeds = [];
return Main.feed(key).success(function (data, status, headers, config) {
for (var i = 0; i < data.length; i += 1)
{
feeds.push(data[i]);
}
return feeds;
}).error(function (data, status, headers, config) {
console.log("This was an error back from the server");
console.log(data);
return data;
});
}();
})
和。factory
feed: function (token) {
return $http({
url: 'http://myserver.com/feed',
method: 'GET',
data: {
auth_code: token,
per_page: 10
}
}).success(function (data, status, headers, config) {
for (var i = 0; i < data.length; i += 1)
{
feeds.push(data[i]);
}
return feeds;
}).error(function (data, status, headers, config) {
console.log("This was an error back from the server");
console.log(data);
return data;
});
},
无论我如何尝试将东西放入作用域,我似乎总是以promise对象结束。有人能帮我一下吗?
success或error方法总是返回一个promise(它将返回值封装到一个新的promise中)。你应该在成功/错误回调中设置范围的值:
.controller('MainCtrl', function ($scope, Main, User) {
$scope.feedResult = [];
Main.feed(key).success(function (data, status, headers, config) {
for (var i = 0; i < data.length; i += 1)
{
$scope.feedResult.push(data[i]);
}
}).error(function (data, status, headers, config) {
console.log("This was an error back from the server");
console.log(data);
$scope.feedResult = data;
});
})