问如何在iPhone中编辑TableView？

EN

- (void) editingButtonPressed:(id)sender {
  if([self isEditing]) {
    [sender setText:@"Edit" forState:UIControlStateNormal];
    [self setEditing:NO animated:YES];
  } else {
    [sender setText:@"Done" forState:UIControlStateNormal];
    [self setEditing:YES animated:YES];
  }
}

- (id) init {

    [super initWithStyle:UITableViewStyleGrouped];

    UIBarButtonItem *email = [[[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"Email.png"] style:UIBarButtonItemStyleBordered target:self action:@selector(composeEmail:)] autorelease];
    UIBarButtonItem *bookmark = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(addBookmark:)] autorelease];
    [bookmark setStyle:UIBarButtonItemStyleBordered];

    CustomToolbar *buttonToolbar = [[CustomToolbar alloc] initWithFrame:CGRectMake(0, 0, 93, 45)];
    [buttonToolbar setBarStyle:UIBarStyleBlackTranslucent];
    [buttonToolbar setItems:[NSArray arrayWithObjects:email, bookmark, nil] animated:NO];

    [[self navigationItem] setTitle:@"Table with Custom Toolbar"];
    [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc] initWithCustomView:buttonToolbar] autorelease]];

    [buttonToolbar release];

    return self;
}

UIImageView *imageView2=[[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 320, 50)];
    [imageView2 setImage:[UIImage imageNamed:@"bottom bar_gda.png"]];
    [self.view addSubview:imageView2];
    [self.view bringSubviewToFront:imageView2];
    UIButton *deleteButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [deleteButton setFrame:CGRectMake(280, 3, 26, 36)];
    deleteButton.contentMode = UIViewContentModeScaleAspectFill;     
    UIImage *newImage12 = [UIImage imageNamed:@"check.png"];
    [deleteButton setBackgroundImage:newImage12 forState:UIControlStateNormal];
    [deleteButton setBackgroundImage:newImage12 forState:UIControlStateHighlighted];
    [deleteButton addTarget:self action:@selector(editmethod:) forControlEvents:UIControlEventTouchUpInside];
    [imageView2 addSubview:deleteButton]; 

tableView:commitEditingStyle:forRowAtIndexPath:
tableView:canEditRowAtIndexPath:
tableView:editingStyleForRowAtIndexPath: 

tableView:editingStyleForRowAtIndexPath:

UITableViewCellEditingStyleDelete.