如何在Swift中将Realm对象转换为JSON?
我声明了两个Realm表:
class Task: Object { dynamic var taskID: String = ""
let taskAssignedTo = List<Contacts>()
}
class Contacts: Object {
dynamic var contactEmail: String = ""
dynamic var contactName: String = ""
}
最终目标是将Task Realm对象转换为JSON。我在想的方法是:
使用类中的方法将对象转换为字典
func taskToDictionary() -> [String: AnyObject] { return [
"taskID" : self.taskID,
"taskAssignedTo" : self.taskAssignedTo._rlmArray.count //Not sure how to get the array
]
}
使用SwiftyJSON将结果字典转换为JSON
let taskObject = Task()let newTaskJSON = JSON(taskObject.taskToDictionary())
现在,这可以转换,但是:
- 有一个更好的方法吗?
- 如何将RLMArray转换为数组以进行JSON转换?
回答:
设法在这里找到答案:
我可以在Realm forSwift中将RealmObject序列化为JSON或NSDictionary吗?
extension Object {func toDictionary() -> NSDictionary {
let properties = self.objectSchema.properties.map { $0.name }
let dictionary = self.dictionaryWithValuesForKeys(properties)
var mutabledic = NSMutableDictionary()
mutabledic.setValuesForKeysWithDictionary(dictionary)
for prop in self.objectSchema.properties as [Property]! {
// find lists
if let objectClassName = prop.objectClassName {
if let nestedObject = self[prop.name] as? Object {
mutabledic.setValue(nestedObject.toDictionary(), forKey: prop.name)
} else if let nestedListObject = self[prop.name] as? ListBase {
var objects = [AnyObject]()
for index in 0..<nestedListObject._rlmArray.count {
if let object = nestedListObject._rlmArray[index] as? Object {
objects.append(object.toDictionary())
}
}
mutabledic.setObject(objects, forKey: prop.name)
}
}
}
return mutabledic
}
}
回答:
extension Object {func toDictionary() -> NSDictionary {
let properties = self.objectSchema.properties.map { $0.name }
let dictionary = self.dictionaryWithValuesForKeys(properties)
let mutabledic = NSMutableDictionary()
mutabledic.setValuesForKeysWithDictionary(dictionary)
for prop in self.objectSchema.properties as [Property]! {
// find lists
if let nestedObject = self[prop.name] as? Object {
mutabledic.setValue(nestedObject.toDictionary(), forKey: prop.name)
} else if let nestedListObject = self[prop.name] as? ListBase {
var objects = [AnyObject]()
for index in 0..<nestedListObject._rlmArray.count {
let object = nestedListObject._rlmArray[index] as AnyObject
objects.append(object.toDictionary())
}
mutabledic.setObject(objects, forKey: prop.name)
}
}
return mutabledic
}
}
回答:
extension Object {func toDictionary() -> NSDictionary {
let properties = self.objectSchema.properties.map { $0.name }
let dictionary = self.dictionaryWithValues(forKeys: properties)
let mutabledic = NSMutableDictionary()
mutabledic.setValuesForKeys(dictionary)
for prop in self.objectSchema.properties as [Property]! {
// find lists
if let nestedObject = self[prop.name] as? Object {
mutabledic.setValue(nestedObject.toDictionary(), forKey: prop.name)
} else if let nestedListObject = self[prop.name] as? ListBase {
var objects = [AnyObject]()
for index in 0..<nestedListObject._rlmArray.count {
let object = nestedListObject._rlmArray[index] as AnyObject
objects.append(object.toDictionary())
}
mutabledic.setObject(objects, forKey: prop.name as NSCopying)
}
}
return mutabledic
}
}
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