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[英]How to remove duplicated fields in NSMutableArray which includes NSDictionary in Swift 3
[英]How to fetch elements of NSDictionary stored in an NSMutableArray in Swift?
我通过以下方法将联系人存储为字典在可变数组上:
var addressBookReff: ABAddressBookRef = ABAddressBookCreateWithOptions(nil, nil).takeRetainedValue()
var arrOfDictContacts:NSMutableArray = NSMutableArray()
let people:NSArray = ABAddressBookCopyArrayOfAllPeople(addressBookReff).takeRetainedValue()
for person in people{
if let name:String = ABRecordCopyValue(person, kABPersonFirstNameProperty)?.takeRetainedValue() as? String {
let numbers:ABMultiValue = ABRecordCopyValue(person, kABPersonPhoneProperty).takeRetainedValue()
if let number:String = ABMultiValueCopyValueAtIndex(numbers,0)?.takeRetainedValue() as? String {
arrOfDictContacts.addObject(["\(name)":"\(number)"])
}
}
}
在这里, arrOfDictContacts
是我的可变数组,其中包含名称和数字作为字典。 像这样 :
arrOfDictContacts = ({ my = 12131;}, { doctor = 54445;}, { AL = 543212601;}, { customer = 121; } }
现在我有另一个名称数组
arrOfNames = [my, AL]
我想从arrOfDictContacts
获取arrOfNames
的相应编号
预期输出:
arrOfNumbers = [12131, 543212601]
我怎样才能做到这一点?
编辑:
由于您的数组包含字典,执行此操作的方法是对照数组检查每个字典。 如下所示:
var arrOfNumbers : [String] = []
for dict in arrOfDictContacts {
for name in arrOfNames {
if let value = dict[name] as? String {
arrOfNumbers.append(value)
}
}
}
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