Ios 如何在Swift中获取存储在NSMutableArray中的NSDictionary元素?
我已通过以下方法将联系人作为字典存储在可变数组中:Ios 如何在Swift中获取存储在NSMutableArray中的NSDictionary元素?,ios,swift,nsmutablearray,nsdictionary,Ios,Swift,Nsmutablearray,Nsdictionary,我已通过以下方法将联系人作为字典存储在可变数组中: var addressBookReff: ABAddressBookRef = ABAddressBookCreateWithOptions(nil, nil).takeRetainedValue() var arrOfDictContacts:NSMutableArray = NSMutableArray() let people:NSArray = ABAddressBookCopyArrayOfAllPeople(add
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)"])
}
}
}
这里,arrOfDictContacts是我的可变数组,它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获得arrOfNames的相应号码
预期输出:
我该怎么做 编辑:
因为数组包含字典,所以方法是根据数组检查每个字典。例如:
var arrOfNumbers : [String] = []
for dict in arrOfDictContacts {
for name in arrOfNames {
if let value = dict[name] as? String {
arrOfNumbers.append(value)
}
}
}
第三行名称中出现错误,该字符串无法转换为IntCheck out my edit。由于字典值是字符串,因此结果数组必须是[String]。请立即检查它。问题是你有一个字典数组,但是编辑过的版本现在应该适合你了。现在没有错误,但是我也没有得到任何输出。如果我打印arrofNumber,则获取[]。如果我把断点放在两个for循环中,它不会停止,也不会进入for循环,我想你是对的。我的arrOfDictContacts是空的,因为我在不知不觉中宣布复制。现在它是一种魅力。谢谢您:
var arrOfNumbers : [String] = []
for dict in arrOfDictContacts {
for name in arrOfNames {
if let value = dict[name] as? String {
arrOfNumbers.append(value)
}
}
}