自定义tableview索引，字母搜索
class UserViewController: UIViewController ,UITableViewDelegate, UITableViewDataSource{
var tableView:UITableView?
var nameArray : [String] = []
var charArr : [String] = []
var adHeaders : [String] = []
var addressBookDict = [String:[PPPersonModel]]()
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = UIColor.white
loadDate_table()
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);
}
adHeaders += adHeaders+nameKeys
print("111111","\(nameKeys) ")
print("adHeaders",adHeaders)
for i in 0..
let key = nameKeys[i]
let modelArr = addressBookDict[key]
let count = modelArr!.count
for j in 0.. let model:PPPersonModel = modelArr![j] charArr.append(model.name) } } print("333333",charArr) //创建表视图 self.tableView = UITableView(frame:UIScreen.main.applicationFrame,style:.grouped) self.tableView!.delegate = self self.tableView!.dataSource = self //创建一个重用的单元格 self.tableView!.register(UITableViewCell.self, forCellReuseIdentifier: "SwiftCell") self.view.addSubview(self.tableView!) } // 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; } func numberOfSections(in tableView: UITableView) -> Int { return adHeaders.count } func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { let key = adHeaders[section] let array = addressBookDict[key] return (array?.count)! } func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? { return adHeaders[section] } // 右侧索引 func sectionIndexTitles(for tableView: UITableView) -> [String]? { return adHeaders } func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { var cell = tableView.dequeueReusableCell(withIdentifier: "cell") if cell == nil { cell = UITableViewCell.init(style: UITableViewCellStyle.default, reuseIdentifier: "cell") } let modelArray = addressBookDict[adHeaders[indexPath.section]] let model = modelArray![indexPath.row] cell?.textLabel?.text = model.name return cell! } func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) { let modelArray = addressBookDict[adHeaders[indexPath.section]] let model = modelArray![indexPath.row] let alertViewVC = UIAlertController.init(title: model.name, message:"", preferredStyle: UIAlertControllerStyle.alert)//message:"\(model.mobileArray)" let confirm = UIAlertAction.init(title: "确定", style: UIAlertActionStyle.cancel, handler:nil) alertViewVC.addAction(confirm) self.present(alertViewVC, animated: true, completion: nil) } func loadDate_table() { let parameters: Parameters = [ "action": "getUser", "account":ServerManager.account ] let url = ServerManager.getURL2(parameters: parameters) print(url) Alamofire.request(url).validate().responseJSON { (response) in //print(response) switch response.result { case .success(let value): let json = JSON(value) // print("JSON: \(json)") let count = json.count //print("count",count) if count > 0 { for i in 0.. self.nameArray.append(json["account"].string!)// print("nameArray",self.nameArray) } } case .failure(let error): AlertUtil.alert(message: error as? String ?? "请求超时，连接不上服务器！" ) } } } }