大爱龙马.jpg
正式开始，简单的理解就是砸门手机的通讯录(≧▽≦)/啦啦啦，偶们存在通讯录中的小伙伴的爱称是不是就是从A~Z排序的啦，不废话了，直接上代码
import UIKit
//提示：那个模型自己去建哈，很简单的
class ViewController: UIViewController {
var nameArray = ["马自达","本田","路虎","大众","奔驰","奥迪","丰田","斯柯达","jeep"]
var charArr : [String] = []
override func viewDidLoad() {
super.viewDidLoad()
var addressBookDict = [String:[PPPersonModel]]()
for i in 0..<nameArray.count {
let model : PPPersonModel = PPPersonModel ()
model.name = nameArray[i]
// 获取到姓名的大写首字母
let firstLetterString = getFirstLetterFromString(aString: model.name)
if addressBookDict[firstLetterString] != nil {
// swift的字典,如果对应的key在字典中没有,则会新增
addressBookDict[firstLetterString]?.append(model)
} else {
let arrGroupNames = [model]
addressBookDict[firstLetterString] = arrGroupNames
}
}
var nameKeys = Array(addressBookDict.keys).sorted()
// 将 "#" 排列在 A~Z 的后面
if nameKeys.first == "#" {
nameKeys.insert(nameKeys.first!, at: nameKeys.count)
nameKeys.remove(at: 0);
// self.charArr.addEntriesFromDictionary(
}
print("\(nameKeys) ")
print(addressBookDict.values)
for i in 0..<nameKeys.count {
let key = nameKeys[i]
let modelArr = addressBookDict[key]
// print(modelArr?.count)
// Expected '{' to start the body of for-each loop
let count = modelArr!.count
for j in 0..<count {
let model:PPPersonModel = modelArr![j]
charArr.append(model.name)
}
}
print(charArr)
}
// MARK: - 获取联系人姓名首字母(传入汉字字符串, 返回大写拼音首字母)
func getFirstLetterFromString(aString: String) -> (String) {
// 注意,这里一定要转换成可变字符串
let mutableString = NSMutableString.init(string: aString)
// 将中文转换成带声调的拼音
CFStringTransform(mutableString as CFMutableString, nil, kCFStringTransformToLatin, false)
// 去掉声调(用此方法大大提高遍历的速度)
let pinyinString = mutableString.folding(options: String.CompareOptions.diacriticInsensitive, locale: NSLocale.current)
// 将拼音首字母装换成大写
let strPinYin = polyphoneStringHandle(nameString: aString, pinyinString: pinyinString).uppercased()
// 截取大写首字母
let firstString = strPinYin.substring(to: strPinYin.index(strPinYin.startIndex, offsetBy:1))
// 判断姓名首位是否为大写字母
let regexA = "^[A-Z]$"
let predA = NSPredicate.init(format: "SELF MATCHES %@", regexA)
return predA.evaluate(with: firstString) ? firstString : "#"
}
/// 多音字处理
func polyphoneStringHandle(nameString:String, pinyinString:String) -> String {
if nameString.hasPrefix("长") {return "chang"}
if nameString.hasPrefix("沈") {return "shen"}
if nameString.hasPrefix("厦") {return "xia"}
if nameString.hasPrefix("地") {return "di"}
if nameString.hasPrefix("重") {return "chong"}
return pinyinString;
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
这里是打印的结果
45CB9524-47A0-439D-B122-F91AF25F1EFD.png
啦啦啦，搞定了，能力有限，有些地方做的不好希望大家提提意见，话说就这么一个小小的功能差不多100行代码，感觉有丢丢多，真心的。
