ios-adding and deleting table data
Last Update:2015-08-16
Source: Internet
Author: User
<span id="Label3"></p><pre><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">VIEWCONTROLLER.M</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">changes to the table</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Created by Yaguangzhu on 15/8/16.</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Copyright (c) 2015 YAGUANGZHU. All Rights Reserved.</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">#import</span></span> <span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #800000;"><span style="color: #800000;">ViewController.h</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">@interface</span></span>Viewcontroller () <UITabBarControllerDelegate><span style="color: #000000;"><span style="color: #000000;">@property (nonatomic,strong) Nsmutablearray</span></span>*<span style="color: #000000;"><span style="color: #000000;">dataList, @property (nonatomic,strong) uitableview</span></span>*<span style="color: #000000;"><span style="color: #000000;">tableView;</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">@end</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">@implementation</span></span><span style="color: #000000;"><span style="color: #000000;">Viewcontroller</span></span>-(uitableview *<span style="color: #000000;"><span style="color: #000000;">) tableview{</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">if</span></span>(_tableview = =<span style="color: #000000;"><span style="color: #000000;">Nil) {_tableview</span></span>=<span style="color: #000000;"><span style="color: #000000;">[[uitableview alloc] initWithFrame:self.view.bounds style:uitableviewstyleplain]; _tableview.datasource</span></span>=<span style="color: #000000;">self <span style="color: #000000;">; _tableview.</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">Delegate</span></span>=<span style="color: #000000;">self <span style="color: #000000;">; [self.view addsubview:_tableview]; } </span></span><span style="color: #0000ff;"><span style="color: #0000ff;">return</span></span><span style="color: #000000;"><span style="color: #000000;">_tableview;}</span></span>-(nsmutablearray *<span style="color: #000000;"><span style="color: #000000;">) datalist{</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">if</span></span>(_datalist = =<span style="color: #000000;"><span style="color: #000000;">Nil) {_datalist</span></span>= [nsmutablearray Arraywithobjects:<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Zhangsan</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Lisi</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Wangwu</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Zhangsan</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Lisi</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Wangwu</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Zhangsan</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Lisi</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Wangwu</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Zhangsan</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Lisi</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Wangwu</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Zhangsan</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Lisi</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Wangwu</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Zhangsan</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Lisi</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Wangwu</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Zhangsan</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Lisi</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Wangwu</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Zhangsan</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Lisi</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Wangwuwangwuwangwuwangwuwangwu</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">, nil]; } </span></span><span style="color: #0000ff;"><span style="color: #0000ff;">return</span></span><span style="color: #000000;"><span style="color: #000000;">_datalist;}</span></span>- (<span style="color: #0000ff;"><span style="color: #0000ff;">void</span></span><span style="color: #000000;"><span style="color: #000000;">) Viewdidload {[super viewdidload]; [self tableView]; </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">start editing, and once editing = = yes, The delete mode is turned on by default</span></span>Self.tableView.editing =<span style="color: #000000;"><span style="color: #000000;">YES; </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">additional setup after loading the view, typically from a nib.</span></span><span style="color: #000000;"><span style="color: #000000;">}</span></span>-(nsinteger) TableView: (uitableview *<span style="color: #000000;"><span style="color: #000000;">) TableView numberofrowsinsection: (nsinteger) section{</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">return</span></span><span style="color: #000000;"><span style="color: #000000;">self.dataList.count;}</span></span>-(uitableviewcell *) tableView: (uitableview *) tableView cellforrowatindexpath: (nsindexpath *<span style="color: #000000;"><span style="color: #000000;">) indexpath{</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">Static</span></span>NSString *id =<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Cell</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">; UITableViewCell</span></span>*cell =<span style="color: #000000;"><span style="color: #000000;">[tableView dequeuereusablecellwithidentifier:id]; </span></span><span style="color: #0000ff;"><span style="color: #0000ff;">if</span></span>(cell = =<span style="color: #000000;"><span style="color: #000000;">Nil) {cell</span></span>=<span style="color: #000000;"><span style="color: #000000;">[[uitableviewcell alloc] Initwithstyle:uitableviewcellstyledefault reuseidentifier:id]; } </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Setup table</span></span>Cell.textLabel.text =<span style="color: #000000;"><span style="color: #000000;">self.datalist[indexpath.row]; </span></span><span style="color: #0000ff;"><span style="color: #0000ff;">return</span></span><span style="color: #000000;"><span style="color: #000000;">cell;}</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">as long as the implementation of this method, you can support gesture drag delete, delete need to do their own! </span></span><span style="color: #008000;"><span style="color: #008000;">/*</span></span><span style="color: #008000;"><span style="color: #008000;">* uitableviewcelleditingstylenone, uitableviewcelleditingstyledelete, Delete uitableviewcelleditingstyleinsert add </span></span><span style="color: #008000;"><span style="color: #008000;">*/</span></span>- (<span style="color: #0000ff;"><span style="color: #0000ff;">void</span></span>) tableView: (uitableview *) tableView commiteditingstyle: (uitableviewcelleditingstyle) Editingstyle Forrowatindexpath: (nsindexpath *<span style="color: #000000;"><span style="color: #000000;">) indexpath{</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">if</span></span>(editingstyle = =<span style="color: #000000;"><span style="color: #000000;">Uitableviewcelleditingstyledelete) {NSLog (</span></span><span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">to delete</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">); </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">MVC = data is stored in the model</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">1. Delete the Indexpath data in Self.datalist</span></span><span style="color: #000000;"><span style="color: #000000;">[self.datalist removeObjectAtIndex:indexPath.row]; NSLog (</span></span><span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">%@</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">, self.datalist); </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">2. Refresh the table (reload the Data)</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;">reload <span style="color: #008000;">All Data</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">[self.tableview reloaddata]; </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">deleterowsatindexpaths to animate a table control to delete a specified row</span></span><span style="color: #000000;"><span style="color: #000000;">[self.tableview deleterowsatindexpaths:@[indexpath] withrowanimation:uitableviewrowanimationmiddle]; } </span></span><span style="color: #0000ff;"><span style="color: #0000ff;">Else</span></span> <span style="color: #0000ff;"><span style="color: #0000ff;">if</span></span>(editingstyle = =<span style="color: #000000;"><span style="color: #000000;">uitableviewcelleditingstyleinsert) {NSLog (</span></span><span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">to add Data</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">); </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">1. Adding data to an array</span></span>[self.datalist insertobject:<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Wangxiao</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>AtIndex:indexPath.row +<span style="color: #800080;"><span style="color: #800080;">1</span></span><span style="color: #000000;"><span style="color: #000000;">]; </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">2. Refresh the table</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">[self.tableview reloaddata]; </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">insertrowsatindexpaths The Table control animation to add the specified row in the specified Indexpath</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Create a new Indexpath</span></span>Nsindexpath *path = [nsindexpath IndexPathForRow:indexPath.row +<span style="color: #800080;"><span style="color: #800080;">1</span></span><span style="color: #000000;"><span style="color: #000000;">inSection:indexPath.section]; [self.tableview insertrowsatindexpaths:@[path] withrowanimation:uitableviewrowanimationmiddle]; }}</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">#pragma</span></span>Mark-proxy method<span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">returns the edit style, which, if not implemented, is deleted by default</span></span>-(uitableviewcelleditingstyle) tableView: (uitableview *) tableView editingstyleforrowatindexpath: (nsindexpath *<span style="color: #000000;"><span style="color: #000000;">) indexpath{</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">if (indexpath.row% 2) {</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">return uitableviewcelleditingstyleinsert; </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">} else {</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">return uitableviewcelleditingstyledelete; </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;"> }</span></span> <span style="color: #0000ff;"><span style="color: #0000ff;">return</span></span><span style="color: #000000;"><span style="color: #000000;">uitableviewcelleditingstyleinsert;}</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">as long as you implement this method, you can display the drag control</span></span>- (<span style="color: #0000ff;"><span style="color: #0000ff;">void</span></span>) tableView: (uitableview *) tableView moverowatindexpath: (nsindexpath *) sourceindexpath toindexpath: (nsindexpath *<span style="color: #000000;"><span style="color: #000000;">) destinationindexpath{</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">interface Data UITableView has been Completed.</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">adjusting the data can</span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">[self.datalist ExchangeObjectAtIndex:sourceIndexPath.row withObjectAtIndex:destinationIndexPath.row]; </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">1. Remove the source from the array</span></span> <span style="color: #0000ff;"><span style="color: #0000ff;">ID</span></span>Source =<span style="color: #000000;"><span style="color: #000000;">self.datalist[sourceindexpath.row]; </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">2. Remove the source from the array</span></span><span style="color: #000000;"><span style="color: #000000;">[self.datalist removeObjectAtIndex:sourceIndexPath.row]; NSLog (</span></span><span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">%@</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">, self.datalist); </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">3. Insert the source into the array at the target location</span></span><span style="color: #000000;"><span style="color: #000000;">[self.datalist Insertobject:source atIndex:destinationIndexPath.row]; NSLog (</span></span><span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">%@</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">, self.datalist);}</span></span>- (<span style="color: #0000ff;"><span style="color: #0000ff;">void</span></span><span style="color: #000000;"><span style="color: #000000;">) didreceivememorywarning {[super didreceivememorywarning]; </span></span><span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Dispose of any resources the can be Recreated.</span></span><span style="color: #000000;"><span style="color: #000000;">}</span></span><span style="color: #0000ff;"><span style="color: #0000ff;">@end</span></span></pre><p><p></p></p><p><p>ios-adding and deleting table data</p></p></span>
