iphone - 如何在 uitableview 单元格中显示按钮，它们的操作将显示在同一单元格的标签上

Question

在 UITableViewCell 中有不同的按钮，当我点击任何按钮时，它的 Action 正在所有单元格上执行，但我希望当我按下按钮时， Action 将显示在同一个单元格的标签上，我我知道我需要将它们放在数组中，但是如何...？

当我点击按钮时，一个值会递增，它应该显示在同一个单元格的标签上这是代码:-

-(UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
        static NSString *CellIdentifier = @"Cell";

        UITableViewCell *cell=[tableView dequeueReusableCellWithIdentifier:CellIdentifier];
            cell=[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];

        likeShow=[[UILabel alloc]initWithFrame:CGRectMake(0, 160, 80, 20)];
        likeBtn=[UIButton buttonWithType:UIButtonTypeCustom];
       [likeBtn addTarget:self action:@selector(likeFn) forControlEvents:UIControlEventTouchUpInside];
        likeBtn.frame=CGRectMake(0, 110, 90, 50);
        [likeBtn setTitle:@"Like" forState:UIControlStateNormal];
        [likeBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
        [cell addSubview:likeBtn];
        [cell addSubview:likeShow];
        return cell;
}

这是按钮的 Action

-(void)likeFn{
            NSString *str;
            NSMutableString *mystring=[NSMutableString string];
            likeCount++;
            str =[NSString stringWithFormat:@"%d",likeCount];
            NSString *world = @"Like";
            NSString *helloWorld = [world stringByAppendingString:str];
            likeShow.text=helloWorld;        
}

Answer 1

试试下面的代码

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



NSString *CellIdentifier = [NSString stringWithFormat:@"Cell-%d",indexPath.row];

UITableViewCell *cell=[tableView dequeueReusableCellWithIdentifier:CellIdentifier];


if (cell == nil)
{
    cell=[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
    //[cell clearsContextBeforeDrawing];
}
cell.selectionStyle = UITableViewCellSelectionStyleNone;

int lbltag = 1000;

UIButton *likeBtn = nil;
UILabel *likeShow = nil;

if ([cell viewWithTag:lbltag])
{
    likeShow = (UILabel*)[cell viewWithTag:lbltag];
}
else
{
    likeShow=[[[UILabel alloc]initWithFrame:CGRectMake(0, 0, 80, 20)] autorelease];
    likeShow.text = [NSString stringWithFormat:@"%d likes",[[_marrTest objectAtIndex:indexPath.row] intValue]];
    likeShow.tag = lbltag;
    [cell addSubview:likeShow];
}

if ([cell viewWithTag:indexPath.row+1])
{
    likeBtn = (UIButton*)[cell viewWithTag:indexPath.row+1];
}
else
{
    likeBtn=[UIButton buttonWithType:UIButtonTypeCustom];
    likeBtn.tag = indexPath.row+1;
    [likeBtn addTarget:self action:@selector(likeFn:) forControlEvents:UIControlEventTouchUpInside];
    likeBtn.frame=CGRectMake(90, 0, 90, 50);
    [likeBtn setTitle:@"Like" forState:UIControlStateNormal];
    [likeBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
    [cell addSubview:likeBtn];

}

return cell;
}

-(void)likeFn:(UIButton*)btnClicked
{
NSString *strLikes = [_marrTest objectAtIndex:btnClicked.tag-1];
int likeCount = [strLikes intValue] + 1;
[_marrTest replaceObjectAtIndex:btnClicked.tag-1 withObject:[NSString stringWithFormat:@"%d",likeCount]];

NSIndexPath *selectedIndexPath = [NSIndexPath indexPathForRow:btnClicked.tag-1 inSection:0];

UITableViewCell *cell = [self.tableView cellForRowAtIndexPath:selectedIndexPath];

UILabel *requiredLabel = (UILabel*)[cell viewWithTag:1000];

NSString *str = requiredLabel.text;

//str = [str stringByAppendingFormat:@"selected %@", str];
requiredLabel.text = @"";
requiredLabel.text = [NSString stringWithFormat:@"%d likes",[[_marrTest objectAtIndex:btnClicked.tag-1] intValue]];

//do what ever you want with the label
}