这是我的代码:

function myobject(name, anotherArray){
 this.name = name; this.anotherArray = anotherArray;
}

//$scope.myObjects is an array of myObject


function pMap(name, promise){
    this.name= name;
    this.promise = promise;
};

var getAllPromises = function(){
    var promises = [];
    angular.forEach($scope.myobjects, function(myobject) {
        urlPath = <someurl>+myobject.name;
        var promise = $http({
            url   : urlPath,
            method: 'GET'
        });
        promises.push(new pMap(myobject.name, promise));
    });
    return $q.all(promises);
};


现在,当我使用.then在单独的函数中接受以下每个承诺时,我不确定如何访问上述服务返回的json?

 getAllPromises.then(function(pData){
                    angular.forEach(pData, function(pMap){
                        var name = pMap.name;
                        var responseArray = promiseMap.<?> --> how do I access the json returned by the service here?
<I need to assign $scope.myobjects.anotherArray to data returned by the promise but this has to be done using the name attribute of each myobject>

                    });
                });


任何想法如何做到这一点?
一般的承诺模式和angularjs的新功能

最佳答案

您可以这样做:

var promises;
angular.forEach($scope.myobjects, function(myobject) {
    var promise = $http({
        url   : urlPath,
        method: 'GET'
    });
    promises.push(promise);
});
$q.all(promises).then(function(resolvedPromises) {
  var firstPushedPromise = resolvedPromises[0];
  //var xPushedPromise = resolvedPromises[x];
}


resolvedPromises是一个数组,索引将与您将它们推入的索引相同。您可以通过它们的索引访问其他所有promise。

如果您不打算使用$scope.myobjects,我不确定为什么要遍历myobject

关于javascript - 如果返回以promise作为对象的自定义映射数组,该如何访问服务响应数据?,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/36045363/

10-14 19:40
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