UITableViewCell长按出现 复制粘贴

//允许 Menu菜单  
- (BOOL)tableView:(UITableView *)tableView shouldShowMenuForRowAtIndexPath:(NSIndexPath *)indexPath  
{  
    return YES;  
}  
  
//每个cell都会点击出现Menu菜单  
- (BOOL)tableView:(UITableView *)tableView canPerformAction:(SEL)action forRowAtIndexPath:(NSIndexPath *)indexPath withSender:(id)sender  
{  
    return YES;  
}  
  
- (void)tableView:(UITableView *)tableView performAction:(SEL)action forRowAtIndexPath:(NSIndexPath *)indexPath withSender:(id)sender  
{  
    if (action == @selector(copy:)) {  
        [UIPasteboard generalPasteboard].string = [self.array objectAtIndex:indexPath.row];  
    }  
    if (action == @selector(cut:)) {  
        [UIPasteboard generalPasteboard].string = [self.array objectAtIndex:indexPath.row];  
        [self.array replaceObjectAtIndex:indexPath.row withObject:@""];  
          
        [self.tableView reloadRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationLeft];  
          
          
    }  
      
    if (action == @selector(paste:)) {  
        NSString *pasteString = [UIPasteboard generalPasteboard].string;  
          
        NSString *tempString = [NSString stringWithFormat:@"%@%@",[self.array objectAtIndex:indexPath.row],pasteString];  
          
        [self.array replaceObjectAtIndex:indexPath.row withObject:tempString];  
         [self.tableView reloadRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationLeft];  
    }  
  
}