iOS 11 侧滑删除cell

#pragma mark 左滑删除

-(BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {

return YES;

}

-(NSString *)tableView:(UITableView *)tableView titleForDeleteConfirmationButtonForRowAtIndexPath:(NSIndexPath *)indexPath {

return @"删除";

}

// 第一种方法

//*8.0之后出现的可以设置左划后显示的内容

- (NSArray *)tableView:(UITableView *)tableView editActionsForRowAtIndexPath:(NSIndexPath *)indexPath {

UITableViewRowAction *action1 = [UITableViewRowAction rowActionWithStyle:1 title:@"删除" handler:^(UITableViewRowAction *action, NSIndexPath *indexPath) {

if ([_dataList count]>indexPath.row) {

[_dataList removeObjectAtIndex:indexPath.row];

[_tableView reloadData];

}

}];

action1.backgroundColor = [UIColor redColor];

return @[action1];

}

//第二种 ios 11

- ( UISwipeActionsConfiguration *)tableView:(UITableView *)tableView trailingSwipeActionsConfigurationForRowAtIndexPath:(NSIndexPath *)indexPath {

//删除

UIContextualAction *deleteRowAction = [UIContextualAction contextualActionWithStyle:UIContextualActionStyleNormal title:@"delete" handler:^(UIContextualAction * _Nonnull action, __kindof UIView * _Nonnull sourceView, void (^ _Nonnull completionHandler)(BOOL)) {

if ([_dataList count]>indexPath.row) {

[_dataList removeObjectAtIndex:indexPath.row];

[_tableView reloadData];

}

completionHandler (YES);

}];

deleteRowAction.image = [UIImage imageNamed:@"icon_del"];

deleteRowAction.backgroundColor = [UIColor blueColor];

UISwipeActionsConfiguration *config = [UISwipeActionsConfiguration configurationWithActions:@[deleteRowAction]];

return config;

}