Swift 从对象获取值
如何从PFObject数组中获取Swift 从对象获取值,swift,Swift,如何从PFObject数组中获取RestaurantName的值 我正在尝试将RestaurantName中的objectId作为字符串获取 当前尝试 PFObject阵列 [{ PhotoName=“韩国菜”; 照片上传=”; 餐厅名称=”; 用户上传=”; 票数=0; }] 如果restaurantObjects包含PFObjects,则在映射函数中使用$0.objectId。您当前的尝试是否会给您带来错误?意外输出? var stringObjectIds: [String] = self
RestaurantName
的值
我正在尝试将RestaurantName
中的objectId
作为字符串获取
当前尝试
PFObject阵列
[{
PhotoName=“韩国菜”;
照片上传=”;
餐厅名称=”;
用户上传=”;
票数=0;
}]
如果restaurantObjects
包含PFObject
s,则在映射函数中使用$0.objectId
。您当前的尝试是否会给您带来错误?意外输出?
var stringObjectIds: [String] = self.restaurantObjects.map { $0.objectForKey("RestaurantName", "objectId") as String }
[<FoodPhotoTest2: 0x7fa37e7ddb50, objectId: Jkl28Tcjjv, localId: (null)> {
PhotoName = "Korean Dish";
PhotoUploaded = "<PFFile: 0x7fa37e7f31d0>";
RestaurantName = "<restauranttest2: 0x7fa37e784670, objectId: JNT2dLEL79>";
UserUploaded = "<PFUser: 0x7fa37e4be170, objectId: wNJPsJDV6t>";
Votes = 0;
}]