iOS开发——UI篇Swift篇&玩转UItableView（三）分组功能

UItableView分组功能

 class UITableViewControllerGroup: UIViewController, UITableViewDataSource, UITableViewDelegate  {

     var titleString:String!

     @IBOutlet var titleLabel:UILabel!
     @IBOutlet var listTableView : UITableView!

     //索引字母数组
     var arrayOfCharacters:[String] = ["A","B","C","D","E","F","G"]

     var wordLibrary:Dictionary <String, [String]> = [:]

     //定义数组
     var items:[String] = ["UITextView",
         "UISegmentedControl",
         "UISlider",
         "UISwitch",
         "UIActivityIndicatorView",
         "UIProgressView",
         "UIPageControl",
         "UIStepper",
         "UIImageView",
         "UIWebView",
         "UIScrollView"]

     //返回按钮事件
     @IBAction func backButtonClick()
     {
         self.navigationController?.popViewControllerAnimated(true)
     }

     override func viewDidLoad() {
         super.viewDidLoad()

         titleLabel.text = titleString

         //创建6个数组，6个组使用
         var a_Word:[String] = ["aim","air","aircraft","airplane","aloft","alphabetically"]
         var b_Word:[String] = ["baa","babble","back","baldric","ballooning","bandbook","bandy","bankruptcy","baptistery"]
         var c_Word:[String] = ["cablegram","cacti","cacophonous","cairn","calcimine","calculus","caldron","candelabrum","candlestick","canker"]
         var d_Word:[String] = ["dagger","daguerreotype","dame","damnation","dapper","daredevil","darwin","dateless","daw","date","deacon"]
         var e_Word:[String] = ["eagerly","early","earn","earnestness","earthworm","eastbound","east","easel","earthwork","ease","easterly","eastern"]
         var f_Word:[String] = ["face","facial","facilitate","fact","faction","facilities","facing","facsimile","facet","factitious","facility","factor","factorage"]
         var g_Word:[String] = ["gazetteer","generalization","geneva","gibbet","glasshouse","gnarl","goad","going","grace","gradual","grammar","grandiose","grandstand","granulate"]

         //将数组添加到字典里面
         wordLibrary.updateValue(a_Word, forKey: "A")
         wordLibrary.updateValue(b_Word, forKey: "B")
         wordLibrary.updateValue(c_Word, forKey: "C")
         wordLibrary.updateValue(d_Word, forKey: "D")
         wordLibrary.updateValue(e_Word, forKey: "E")
         wordLibrary.updateValue(f_Word, forKey: "F")
         wordLibrary.updateValue(g_Word, forKey: "G")

         //给TableView添加表头页眉
         var headerView:UIView = UIView(frame: CGRectMake(, , listTableView.frame.size.width, ))
         var headerlabel:UILabel = UILabel(frame: headerView.bounds)
         headerlabel.textColor = UIColor.blackColor()
         headerlabel.backgroundColor = UIColor.clearColor()
         headerlabel.font = UIFont.systemFontOfSize()
         headerlabel.text = "TabelView 页尾表头 页眉"
         headerView.addSubview(headerlabel)
         headerView.backgroundColor = UIColor.redColor()
         listTableView.tableHeaderView = headerView

         //给TabelView添加页尾
         var footerView:UIView =  UIView(frame: CGRectMake(, , listTableView.frame.size.width, ))
         var footerlabel:UILabel = UILabel(frame: footerView.bounds)
         footerlabel.textColor = UIColor.blackColor()
         footerlabel.backgroundColor = UIColor.clearColor()
         footerlabel.font = UIFont.systemFontOfSize()
         footerlabel.text = "TabelView 页尾视图"
         footerView.addSubview(footerlabel)
         footerView.backgroundColor = UIColor.greenColor()
         listTableView.tableFooterView = footerView

         //刷新TableView
         listTableView.reloadData()
     }

     override func didReceiveMemoryWarning() {
         super.didReceiveMemoryWarning()
         // Dispose of any resources that can be recreated.
     }

     /*
     // MARK: - Navigation

     // In a storyboard-based application, you will often want to do a little preparation before navigation
     override func prepareForSegue(segue: UIStoryboardSegue!, sender: AnyObject!) {
         // Get the new view controller using segue.destinationViewController.
         // Pass the selected object to the new view controller.
     }
     */

     //MARK: - UITableViewDelegate

     //tableView数据源：返回几节（组）
     func numberOfSectionsInTableView(tableView: UITableView) -> Int
     {
         return arrayOfCharacters.count
     }

     //tableView数据源：返回每组行数
     func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int
     {
         var key = arrayOfCharacters[section] as String
         var tempWord:[String]! = wordLibrary[key]
         return tempWord.count
     }

     //tableView 数据源：每一行高度
     func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat
     {

     }

     //tableView数据源：每一行内容
     func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell
     {
         //Cell标示符，代表一系列
         // OC：使用static，  swift：使用let
         let cellIdentifier: String = "cellIdentifier"

         //通过cellIdentifier标示符取没有使用的Cell
         //有可能不存在，所以使用：optional
         var cell: UITableViewCell? = tableView.dequeueReusableCellWithIdentifier(cellIdentifier) as? UITableViewCell

         //如果cell取到是空
         if cell == nil { // no value

             //创建新的cell
             //cell样式：UITableViewCellStyle.Default
             //cell标示符：cellIdentifier
             cell = UITableViewCell(style: UITableViewCellStyle.Default, reuseIdentifier: cellIdentifier)

             //设置字体
 //            cell!.textLabel.font = UIFont.systemFontOfSize(14)
             //2015年4月10号修改
             cell!.textLabel?.font = UIFont.systemFontOfSize()

             //设置选中cell样式
             cell!.selectionStyle = .Gray;

             //设置cell后面箭头样式
             cell!.accessoryType = .DisclosureIndicator;
         }

         var key = arrayOfCharacters[indexPath.section] as String
         var tempWord:[String]! = wordLibrary[key]

         //从数组取对应值给cell赋值
 //        cell!.textLabel.text = tempWord[indexPath.row]
         //2015年4月10号修改
         cell!.textLabel?.text = tempWord[indexPath.row]

         return cell!;
     }

     //每一组的头部，添加一个视图
     func tableView(tableView: UITableView, viewForHeaderInSection section: Int) -> UIView?
     {
         var view:UIView = UIView(frame: CGRectZero)
         view.backgroundColor = UIColor(red: 0xf0/255.0, green: 0xf0/255.0 , blue: 0xf6/255.0 , alpha: 1.0)

         var label:UILabel = UILabel(frame: CGRectMake(, , , ))
         label.textColor = UIColor(red: 0x8f/255.0, green: 0x8f/255.0, blue: 0x94/255.0, alpha: 1.0)
         label.backgroundColor = UIColor.clearColor()
         label.font = UIFont.systemFontOfSize()
         view.addSubview(label)

         label.text = arrayOfCharacters[section]

         return view;
     }

     //每一组的末端，添加一个视图
     func tableView(tableView: UITableView, viewForFooterInSection section: Int) -> UIView?
     {
         var view:UIView = UIView(frame: CGRectZero)
         view.backgroundColor = UIColor.orangeColor()

         var label:UILabel = UILabel(frame: CGRectMake(, , , ))
         label.textColor = UIColor.blackColor()
         label.backgroundColor = UIColor.clearColor()
         label.font = UIFont.systemFontOfSize()
         view.addSubview(label)

         label.text = "第\(section) 组结束，本组页脚视图"

         return view;
     }

     func sectionIndexTitlesForTableView(tableView: UITableView) -> [AnyObject]!
     {
         return arrayOfCharacters   //返回索引数据源
     }

     //点击索引，移动TableView的组位置
     func tableView(tableView: UITableView, sectionForSectionIndexTitle title: String, atIndex index: Int) -> Int
     {
         var tpIndex:NSInteger = 

         //便利索引值
         for character in arrayOfCharacters
         {
             //判断索引值 和 组名称相等，返回组坐标
             if character == title
             {
                 return tpIndex
             }

             tpIndex++
         }

     }

     //tableView代理：点击一行
     func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath)
     {
         //释放选中效果
         tableView.deselectRowAtIndexPath(indexPath, animated: true)
     }