Swift 简单的通讯录

 1     func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
 2         // Override point for customization after application launch.
 3         // 创建window
 4         self.window = UIWindow(frame: UIScreen.mainScreen().bounds)
 5         self.window?.backgroundColor = UIColor.whiteColor()
 6         self.window?.makeKeyAndVisible()
 7         
 8         let rootVC : ContactListTableViewController = ContactListTableViewController()
 9         let rootNVC : UINavigationController = UINavigationController(rootViewController: rootVC)
10         // 设置根视图控制器
11         self.window?.rootViewController = rootNVC
12         
13         return true
14     }

  1 import UIKit
  2 
  3 class ContactListTableViewController: UITableViewController {
  4 
  5     override func viewDidLoad() {
  6         super.viewDidLoad()
  7         self.title = "通讯录"
  8         // 设置导航控制器样式
  9         self.navigationController?.navigationBar.barStyle = UIBarStyle.Black
 10         self.navigationController?.navigationBar.backgroundColor = UIColor.blackColor()
 11         self.navigationController?.navigationBar.tintColor = UIColor.whiteColor()
 12         // 左按钮 -- 添加联系人按钮
 13         self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.Add, target: self, action: Selector("addButtonAction"))
 14         // 右按钮 -- 编辑
 15         self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: "编辑", style: UIBarButtonItemStyle.Plain, target: self, action: Selector("editAction"))
 16     
 17     }
 18     
 19     // MARK: - 添加按钮点击事件
 20     func addButtonAction() -> Void {
 21         // 跳转新的页面
 22         let addVC = AddContactViewController()
 23         // 实现闭包的回调
 24         addVC.myBlock = {
 25             () -> Void in
 26             self.tableView.reloadData()
 27         }
 28         self.navigationController?.pushViewController(addVC, animated: true)
 29         
 30     }
 31     
 32     // MARK: - 编辑按钮点击事件
 33     func editAction() {
 34         self.tableView.setEditing(!self.tableView.editing, animated: true)
 35     }
 36     
 37     // MARK: - Table view data source
 38     // MARK: - 分区数
 39     override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
 40         return 1
 41     }
 42     
 43     // MARK: - 分区行数
 44     override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
 45         // #warning Incomplete implementation, return the number of rows
 46         return DataHandle.shareInstence.count
 47     }
 48 
 49     // MARK: - 返回cell
 50     override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
 51         
 52         var cell = tableView.dequeueReusableCellWithIdentifier("cell")
 53         if cell == nil {
 54             cell = UITableViewCell(style: UITableViewCellStyle.Subtitle, reuseIdentifier: "cell")
 55         }
 56         let contact = DataHandle.shareInstence.findContactWithIndex(indexPath.row)
 57         cell?.textLabel?.text = contact.name
 58         cell?.detailTextLabel?.text = contact.phone
 59         return cell!
 60     }
 61     
 62     // MARK: - 点击cell
 63     override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
 64         let addVC = AddContactViewController()
 65         // 属性传值
 66         let contact = DataHandle.shareInstence.findContactWithIndex(indexPath.row)
 67         addVC.contact = contact
 68         addVC.index = indexPath.row
 69         addVC.myBlock = {
 70             () -> Void in
 71             self.tableView.reloadData()
 72         }
 73         self.navigationController?.pushViewController(addVC, animated: true)
 74     }
 75 
 76     // Override to support conditional editing of the table view.
 77     // MARK: - 设置所有cell可编辑
 78     override func tableView(tableView: UITableView, canEditRowAtIndexPath indexPath: NSIndexPath) -> Bool {
 79         // Return false if you do not want the specified item to be editable.
 80         return true
 81     }
 82 
 83     // Override to support editing the table view.
 84     // MARK: - 提交编辑样式
 85     override func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) {
 86         if editingStyle == .Delete {
 87             DataHandle.shareInstence.removeContactWithIndex(indexPath.row)
 88             tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Fade)
 89         } else if editingStyle == .Insert {
 90             // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view
 91         }    
 92     }
 93 
 94     // Override to support conditional rearranging of the table view.
 95     // MARK: - 设置所有cell可移动
 96     override func tableView(tableView: UITableView, canMoveRowAtIndexPath indexPath: NSIndexPath) -> Bool {
 97         // Return false if you do not want the item to be re-orderable.
 98         return true
 99     }
100     
101     // Override to support rearranging the table view.
102     // MARK: - 移动
103     override func tableView(tableView: UITableView, moveRowAtIndexPath fromIndexPath: NSIndexPath, toIndexPath: NSIndexPath) {
104         DataHandle.shareInstence.changeContact(fromIndexPath.row, toIndexPath: toIndexPath.row)
105         self.tableView.reloadData()
106     }
107     
108 }

 1 import UIKit
 2 
 3 class AddContactViewController: UIViewController {
 4     
 5     // 声明控件属性
 6     var nameTextField : UITextField?
 7     var phoneTextField : UITextField?
 8     var saveButton : UIButton?
 9     // 属性传值
10     // 要修改的联系人信息
11     var contact : Contact?
12     // 要修改的联系人下标
13     var index : Int?
14     // 重定义，相当于typedef
15     typealias BLOCK = () -> Void
16     // 声明一个闭包属性
17     var myBlock : BLOCK?
18     
19     
20     override func viewDidLoad() {
21         super.viewDidLoad()
22         self.view.backgroundColor = UIColor.whiteColor()
23         // 设置控件frame
24         self.nameTextField = UITextField(frame: CGRect(x: 30, y: 150, width: self.view.frame.size.width - 60, height: 30))
25         self.phoneTextField = UITextField(frame: CGRect(x: CGRectGetMinX(self.nameTextField!.frame), y: CGRectGetMaxY(self.nameTextField!.frame) + 20, width: CGRectGetWidth(self.nameTextField!.frame), height: CGRectGetHeight(self.nameTextField!.frame)))
26 
27         if self.contact != nil {
28             // 显示要修改的数据
29             self.nameTextField?.text = self.contact?.name
30             self.phoneTextField?.text = self.contact?.phone
31         } else {
32             // 添加
33             self.nameTextField?.placeholder = "请输入姓名"
34             self.phoneTextField?.placeholder = "请输入电话号码"
35         }
36        
37         self.view.addSubview(self.nameTextField!)
38         self.view.addSubview(self.phoneTextField!)
39         
40         self.saveButton = UIButton(type: UIButtonType.System)
41         self.saveButton?.frame = CGRect(x: CGRectGetMinX(self.phoneTextField!.frame), y: CGRectGetMaxY(self.phoneTextField!.frame) + 20, width: CGRectGetWidth(self.phoneTextField!.frame), height: CGRectGetHeight(self.phoneTextField!.frame))
42         self.saveButton?.setTitle("保存", forState: UIControlState.Normal)
43         self.saveButton?.backgroundColor = UIColor.orangeColor()
44         self.saveButton?.addTarget(self, action: Selector("saveAction"), forControlEvents: UIControlEvents.TouchUpInside)
45         self.view.addSubview(self.saveButton!)
46     }
47     
48     // MARK: - 保存按钮点击事件
49     func saveAction() {
50         // 点击保存按钮，将新的联系人添加到数组中
51         let newContact = Contact(name: self.nameTextField!.text!, phone: self.phoneTextField!.text!)
52         if self.contact != nil {
53             // 修改
54             DataHandle.shareInstence.updataContactWithIndex(newContact, index: self.index!)
55         } else {
56             // 添加
57             DataHandle.shareInstence.addContactToArray(newContact)
58         }
59         
60         // 闭包传值（刷新UI）
61         self.myBlock!()
62         self.navigationController?.popViewControllerAnimated(true)
63     }
64 }

 1 import UIKit
 2 
 3 class Contact: NSObject {
 4     // 声明属性
 5     var name : String?
 6     var phone : String?
 7     
 8     // 初始化方法
 9     init(name : String, phone : String) {
10         super.init()
11         self.name = name
12         self.phone = phone
13     }
14 }

 1 class DataHandle: NSObject {
 2     var contactArray = Array<Contact>()
 3     // 声明计算属性
 4     var count : Int {
 5         get {
 6             return contactArray.count
 7         }
 8     }
 9    
10     static let shareInstence = DataHandle()
11     
12     // 单例
13     // 为了防止在外部被再次初始化
14     private override init() {
15         super.init()
16     }
17     
18     // MARK: - 添加联系人
19     func addContactToArray (contact : Contact) {
20         self.contactArray.append(contact)
21     }
22     
23     // MARK: - 根据下标获取联系人
24     func findContactWithIndex (index : Int) -> Contact {
25         return self.contactArray[index]
26     }
27     
28     // MARK: - 更新联系人信息
29     func updataContactWithIndex (newContact : Contact, index : Int) -> Void {
30         self.contactArray.removeAtIndex(index)
31         self.contactArray.insert(newContact, atIndex: index)
32     }
33     
34     // MARK: - 删除联系人
35     func removeContactWithIndex (index : Int) -> Void {
36         self.contactArray.removeAtIndex(index)
37     }
38     
39     // MARK: - 移动
40     func changeContact (fromIndexPath : Int, toIndexPath : Int) {
41         let contact = self.contactArray[fromIndexPath]
42         self.contactArray .removeAtIndex(fromIndexPath)
43         self.contactArray.insert(contact, atIndex: toIndexPath)
44     }
45 }