iOS开发——UI篇Swift篇&玩转UItableView（三）分组功能

UItableView分组功能

 

  1 class UITableViewControllerGroup: UIViewController, UITableViewDataSource, UITableViewDelegate  {

  2     

  3     var titleString:String!

  4     

  5     @IBOutlet var titleLabel:UILabel!

  6     @IBOutlet var listTableView : UITableView!

  7     

  8     

  9     //索引字母数组

 10     var arrayOfCharacters:[String] = ["A","B","C","D","E","F","G"]

 11     

 12     

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

 14     

 15     

 16     

 17     

 18     //定义数组

 19     var items:[String] = ["UITextView",

 20         "UISegmentedControl",

 21         "UISlider",

 22         "UISwitch",

 23         "UIActivityIndicatorView",

 24         "UIProgressView",

 25         "UIPageControl",

 26         "UIStepper",

 27         "UIImageView",

 28         "UIWebView",

 29         "UIScrollView"]

 30     

 31     

 32     //返回按钮事件

 33     @IBAction func backButtonClick()

 34     {

 35         self.navigationController?.popViewControllerAnimated(true)

 36     }

 37     

 38     

 39     override func viewDidLoad() {

 40         super.viewDidLoad()

 41         

 42         titleLabel.text = titleString

 43         

 44         

 45         

 46         //创建6个数组，6个组使用

 47         var a_Word:[String] = ["aim","air","aircraft","airplane","aloft","alphabetically"]

 48         var b_Word:[String] = ["baa","babble","back","baldric","ballooning","bandbook","bandy","bankruptcy","baptistery"]

 49         var c_Word:[String] = ["cablegram","cacti","cacophonous","cairn","calcimine","calculus","caldron","candelabrum","candlestick","canker"]

 50         var d_Word:[String] = ["dagger","daguerreotype","dame","damnation","dapper","daredevil","darwin","dateless","daw","date","deacon"]

 51         var e_Word:[String] = ["eagerly","early","earn","earnestness","earthworm","eastbound","east","easel","earthwork","ease","easterly","eastern"]

 52         var f_Word:[String] = ["face","facial","facilitate","fact","faction","facilities","facing","facsimile","facet","factitious","facility","factor","factorage"]

 53         var g_Word:[String] = ["gazetteer","generalization","geneva","gibbet","glasshouse","gnarl","goad","going","grace","gradual","grammar","grandiose","grandstand","granulate"]

 54         

 55         

 56         //将数组添加到字典里面

 57         wordLibrary.updateValue(a_Word, forKey: "A")

 58         wordLibrary.updateValue(b_Word, forKey: "B")

 59         wordLibrary.updateValue(c_Word, forKey: "C")

 60         wordLibrary.updateValue(d_Word, forKey: "D")

 61         wordLibrary.updateValue(e_Word, forKey: "E")

 62         wordLibrary.updateValue(f_Word, forKey: "F")

 63         wordLibrary.updateValue(g_Word, forKey: "G")

 64 

 65         

 66         //给TableView添加表头页眉

 67         var headerView:UIView = UIView(frame: CGRectMake(0, 0, listTableView.frame.size.width, 60))

 68         var headerlabel:UILabel = UILabel(frame: headerView.bounds)

 69         headerlabel.textColor = UIColor.blackColor()

 70         headerlabel.backgroundColor = UIColor.clearColor()

 71         headerlabel.font = UIFont.systemFontOfSize(16)

 72         headerlabel.text = "TabelView 页尾表头 页眉"

 73         headerView.addSubview(headerlabel)

 74         headerView.backgroundColor = UIColor.redColor()

 75         listTableView.tableHeaderView = headerView

 76         

 77         

 78         //给TabelView添加页尾

 79         var footerView:UIView =  UIView(frame: CGRectMake(0, 0, listTableView.frame.size.width, 60))

 80         var footerlabel:UILabel = UILabel(frame: footerView.bounds)

 81         footerlabel.textColor = UIColor.blackColor()

 82         footerlabel.backgroundColor = UIColor.clearColor()

 83         footerlabel.font = UIFont.systemFontOfSize(16)

 84         footerlabel.text = "TabelView 页尾视图"

 85         footerView.addSubview(footerlabel)

 86         footerView.backgroundColor = UIColor.greenColor()

 87         listTableView.tableFooterView = footerView

 88         

 89         

 90         

 91         //刷新TableView

 92         listTableView.reloadData()

 93     }

 94 

 95     override func didReceiveMemoryWarning() {

 96         super.didReceiveMemoryWarning()

 97         // Dispose of any resources that can be recreated.

 98     }

 99     

100 

101     /*

102     // MARK: - Navigation

103 

104     // In a storyboard-based application, you will often want to do a little preparation before navigation

105     override func prepareForSegue(segue: UIStoryboardSegue!, sender: AnyObject!) {

106         // Get the new view controller using segue.destinationViewController.

107         // Pass the selected object to the new view controller.

108     }

109     */

110 

111     

112     //MARK: - UITableViewDelegate

113     

114     //tableView数据源：返回几节（组）

115     func numberOfSectionsInTableView(tableView: UITableView) -> Int

116     {

117         return arrayOfCharacters.count

118     }

119     

120     //tableView数据源：返回每组行数

121     func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int

122     {

123         var key = arrayOfCharacters[section] as String

124         var tempWord:[String]! = wordLibrary[key]

125         return tempWord.count

126     }

127     

128     //tableView 数据源：每一行高度

129     func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat

130     {

131         return 50

132     }

133     

134     //tableView数据源：每一行内容

135     func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell

136     {

137         //Cell标示符，代表一系列

138         // OC：使用static，  swift：使用let

139         let cellIdentifier: String = "cellIdentifier"

140         

141         //通过cellIdentifier标示符取没有使用的Cell

142         //有可能不存在，所以使用：optional

143         var cell: UITableViewCell? = tableView.dequeueReusableCellWithIdentifier(cellIdentifier) as? UITableViewCell

144         

145         //如果cell取到是空

146         if cell == nil { // no value

147             

148             //创建新的cell

149             //cell样式：UITableViewCellStyle.Default

150             //cell标示符：cellIdentifier

151             cell = UITableViewCell(style: UITableViewCellStyle.Default, reuseIdentifier: cellIdentifier)

152             

153             //设置字体

154 //            cell!.textLabel.font = UIFont.systemFontOfSize(14)

155             //2015年4月10号修改

156             cell!.textLabel?.font = UIFont.systemFontOfSize(14)

157             

158             //设置选中cell样式

159             cell!.selectionStyle = .Gray;

160             

161             //设置cell后面箭头样式

162             cell!.accessoryType = .DisclosureIndicator;

163         }

164         

165         var key = arrayOfCharacters[indexPath.section] as String

166         var tempWord:[String]! = wordLibrary[key]

167         

168         //从数组取对应值给cell赋值

169 //        cell!.textLabel.text = tempWord[indexPath.row]

170         //2015年4月10号修改

171         cell!.textLabel?.text = tempWord[indexPath.row]

172         

173         return cell!;

174     }

175     

176     

177     //每一组的头部，添加一个视图

178     func tableView(tableView: UITableView, viewForHeaderInSection section: Int) -> UIView?

179     {

180         var view:UIView = UIView(frame: CGRectZero)

181         view.backgroundColor = UIColor(red: 0xf0/255.0, green: 0xf0/255.0 , blue: 0xf6/255.0 , alpha: 1.0)

182         

183         var label:UILabel = UILabel(frame: CGRectMake(20, 0, 100, 20))

184         label.textColor = UIColor(red: 0x8f/255.0, green: 0x8f/255.0, blue: 0x94/255.0, alpha: 1.0)

185         label.backgroundColor = UIColor.clearColor()

186         label.font = UIFont.systemFontOfSize(16)

187         view.addSubview(label)

188         

189         label.text = arrayOfCharacters[section]

190         

191         return view;

192     }

193     

194     

195     //每一组的末端，添加一个视图

196     func tableView(tableView: UITableView, viewForFooterInSection section: Int) -> UIView?

197     {

198         var view:UIView = UIView(frame: CGRectZero)

199         view.backgroundColor = UIColor.orangeColor()

200         

201         var label:UILabel = UILabel(frame: CGRectMake(20, 0, 300, 20))

202         label.textColor = UIColor.blackColor()

203         label.backgroundColor = UIColor.clearColor()

204         label.font = UIFont.systemFontOfSize(16)

205         view.addSubview(label)

206         

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

208         

209         return view;

210     }

211     

212     

213     

214     

215     

216     func sectionIndexTitlesForTableView(tableView: UITableView) -> [AnyObject]!

217     {

218         return arrayOfCharacters   //返回索引数据源

219     }

220     

221     //点击索引，移动TableView的组位置

222     func tableView(tableView: UITableView, sectionForSectionIndexTitle title: String, atIndex index: Int) -> Int

223     {

224         var tpIndex:NSInteger = 0

225         

226         //便利索引值

227         for character in arrayOfCharacters

228         {

229             //判断索引值 和 组名称相等，返回组坐标

230             if character == title

231             {

232                 return tpIndex

233             }

234             

235             tpIndex++

236         }

237         

238         return 0

239     }

240     

241     

242     

243     //tableView代理：点击一行

244     func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath)

245     {

246         //释放选中效果

247         tableView.deselectRowAtIndexPath(indexPath, animated: true)

248     }