如何在Query Parse.com之后将所有对象加载到数组中

lit*_*ito 13 javascript angularjs parse-platform

我正在使用Parse.com作为我的后端,在Query之后如何用Parse对象中的所有数据填充数组?我怎样才能避免重新映射?例:

$scope.addContList = contacts.map(function(obj) { // re-map!!!!
   return {name: obj.get("name")}; // mapping object using obj.get()
});
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我正在逐个映射我的Parse对象的属性:name:obj.get("name")等等有更好的方法吗?

    $scope.addContList = [];
    var ActivityContact = Parse.Object.extend("ActivityContact2");
    var query = new Parse.Query(ActivityContact);
    query.equalTo("activityId", $scope.objId);
    query.find({
        success: function(contacts) {
            console.log("Successfully retrieved " + contacts.length + " contact.");
                $scope.$apply(function() {
                    /*$scope.addContList = contacts.map(function(obj) {
                        return {name: obj.get("name")}; // mapping object using obj.get()
                    });*/
                    for (var i = 0; i < contacts.length; i++) {
                          $scope.addContList.push(contacts.ALL_PROPERTIES); // contacts.ALL_PROPERTIES does not exist, I'm looking a way to do that and avoid mapping?
                    }
                });
            console.log("--->>>"+JSON.stringify($scope.addContList, null, 4));

        },
        error: function(object, error) {
            // The object was not retrieved successfully.
            // error is a Parse.Error with an error code and message.
        }
    });
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  1. 我应该使用Underscore库,这是唯一的方法吗?
  2. 我见过一些使用PFQuery的人,但我不知道那是什么,PFQuery对此更好吗?

谢谢!

Igo*_*ush 3

contacts其他答案是正确的,但我认为每次从to添加项目时都没有必要启动摘要循环$scope.addContList。像这样的东西应该足够了:

query.find({
  success: function (contacts) {
    $scope.apply(function () {
      // 1) shallow-copy the list of contacts...
      // (this is essentially what you are trying to do now)
      $scope.addContList = contacts.slice();

      // or 2) just assign the reference directly
      $scope.addContList = contacts;

      // or 3) transform the Parse.Object instances into
      // plain JavaScript objects
      $scope.addContList = contacts.map(function (c) {
          return c.toJSON();
      });
    });
  },
  error: function (object, error) {
    // The object was not retrieved successfully.
    // error is a Parse.Error with an error code and message.
  }
});
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选项 1) 和 2) 将对应于类似于以下的模板

<div ng-repeat="cont in addContList">{{ cont.get('name') }}</div>
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而选项 3) 可以像这样使用

<div ng-repeat="cont in addContList">{{ cont.name }}</div>
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