ios - UITableView 中的 UILabel 被覆盖

Question

您好，我正在使用以下代码在 UITableView 中插入一个 ulabel

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{

static NSString *CellIdentifier;

CellIdentifier  = [NSString stringWithFormat:@"myTableViewCell %i,%i",
                                [indexPath indexAtPosition:0], [indexPath indexAtPosition:1]];

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    cell.selectionStyle = UITableViewCellSelectionStyleNone;

    if (cell == nil)
    {
         cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];

        lblNombre= [[UILabel alloc] initWithFrame:CGRectMake(110, 10, 170,40)];
        lblNombre.textColor = [UIColor colorWithRed:90/255.0f green:132/255.0f blue:172/255.0f alpha:1];
        lblNombre.backgroundColor = [UIColor clearColor];
        lblNombre.text=@"Nicolas ahumada";
        lblNombre.numberOfLines=2;
        lblNombre.font = [UIFont fontWithName:@"Magra" size:18.0 ];
         [cell.contentView addSubview:lblNombre ];
}

lblNombre.text=[[jsonpodio valueForKey:@"name"]objectAtIndex:indexPath.row ];
[cell.contentView addSubview:lblNombre ];

return cell;
}

但是当我滚动或表格被充电时，UILabel 被覆盖

上面的图片被覆盖了，图片低于平均水平， 非常感谢你的帮助

Answer 1

试试这个，你的单元格重用逻辑以及你如何使用 lblNombre 有问题

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{

static NSString *CellIdentifier;

    // use a single Cell Identifier for re-use!
    CellIdentifier  = @"myCell";

    // make lblNombre a local variable!
    UILabel *lblNombre;

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (cell == nil)
    {
        // No re-usable cell, create one here...
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];

        cell.selectionStyle = UITableViewCellSelectionStyleNone;

        // get rid of class instance lblNombre, just use local variable!
        lblNombre= [[UILabel alloc] initWithFrame:CGRectMake(110, 10, 170,40)];

        lblNombre.tag = 1001;    // set a tag for this View so you can get at it later

        lblNombre.textColor = [UIColor colorWithRed:90/255.0f green:132/255.0f blue:172/255.0f alpha:1];
        lblNombre.backgroundColor = [UIColor clearColor];
        lblNombre.numberOfLines=2;
        lblNombre.font = [UIFont fontWithName:@"Magra" size:18.0 ];
        [cell.contentView addSubview:lblNombre ];
}
else
{
        // use viewWithTag to find lblNombre in the re-usable cell.contentView
        lblNombre = (UILabel *)[cell.contentView viewWithTag:1001];
}

// finally, always set the label text from your data model
lbl.text=[[jsonpodio valueForKey:@"name"]objectAtIndex:indexPath.row ];


return cell;
}