我已经设置了一个 Parse.com 后端。在我的 iOS 应用程序中,我与这个后端有连接,并且能够检索存储的对象。
我希望每个特定对象都存储在一个数组中。 假设我的 Key:value 所在的对象例如:Category = Coffeebars
目前我已经编写了以下代码:
let queryToGetBuildings = PFQuery(className: "Building")
queryToGetBuildings.findObjectsInBackgroundWithBlock { (objects, error) -> Void in
if error == nil {
for object in objects!{
print("this is an object")
print(object)
}
} else {
print("something went wrong")
}
分别返回我的每个对象:
"this is an object"
<Building: 0x7f, objectId: yh, localId: (null)> {
BottomText = "Opened from";
BottomTextExtra = "05:00 until 22:00";
Category = Coffeebars;
MiddleText = "Suggestion:";
MiddleTextExtra = "Apple and cinnamon";
TimeToDestination = 5;
TopText = Starbucks;
}
"this is an object"
<Building: 0xr, objectId: Xj, localId: (null)> {
BottomText = "Fee per person (not for babies):";
BottomTextExtra = "0.20";
Category = Toilets;
MiddleText = "Men - Women - Babies";
MiddleTextExtra = " ";
TimeToDestination = 5;
TopText = "Bathroom 2 terminal A";
}
"this is an object"
<Building: 0pr, objectId: 2q, localId: (null)> {
BottomText = "Fee per person (not for babies):";
BottomTextExtra = "0.20";
Category = Toilets;
MiddleText = "Men - Women";
MiddleTextExtra = " ";
TimeToDestination = 8;
TopText = "Bathroom 3 terminal A";
}
我现在的主要问题是如何打印出(并添加到特定数组)具有 Key:Value = Category:Toilets 的对象的所有信息?
提前致谢
最佳答案
如果我理解你的意思,你是在问如何显示获取的数据。
首先你应该声明一个数组来保存获取的数据:
var someData = [PFObject]()
在你的闭包中添加这个self.someData.append(object)
,现在你的代码应该是这样的:
let queryToGetBuildings = PFQuery(className: "Building")
queryToGetBuildings.findObjectsInBackgroundWithBlock { (objects, error) -> Void in
if error == nil {
for object in objects!{
print("this is an object")
print(object)
// Add this line
self.someData.append(object)
}
} else {
print("something went wrong")
}
获取数据后,就可以显示了:
// if you are using tableView to display
let thisData = someData[indexPath.row]
let bottomText = thisData["columnName"] as? String
let bottomTextExtra = thisData["columnName"] as? String
let category = thisData["columnName"] as? SomeType
let middleText = thisData["columnName"] as? String
let middleTextExtra = thisData["columnName"] as? String
let timeToDestination = thisData["columnName"] as? NSNumber
let topText = thisData["columnName"] as? String
关于arrays - Parse.com ~ PFObject 到数组 Swift,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/36823063/