如何在UITableViewCell中使用Button进行操作？ [英] How to do action using Button in UITableViewCell?

问题描述

我有一个我在CustomCell中创建的按钮。

i have a button that i create in my CustomCell.

- (IBAction)onoffBtn:(id)sender
{
    UIButton *button = (UIButton *)sender;
    button.selected = !button.selected;
    if (button.selected)
    {
        // Do action 1
    }
    else
    {
        // Do action 2
    }
}

当我运行它时，按钮显示在我的单元格里面我在TableViewController中创建的UITableView。我可以在我的单元格中按下onoffBtn，但它无法做出动作。我如何才能使我的按钮可以执行操作？

When i run it, the button is show in my cell inside UITableView that i create in TableViewController. I can press that onoffBtn inside my cell but it cant do action. How do i do so that my button can do action?

这是我的TableViewController.m中的cellForRowAtIndexPath

this is my cellForRowAtIndexPath inside my TableViewController.m

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    CustomCell *cell = (CustomCell *)[tableView dequeueReusableCellWithIdentifier:[CustomCell reuseIdentifier]];
    if (cell == nil)
    {
        [[NSBundle mainBundle] loadNibNamed:@"CustomCell" owner:self options:nil];
        cell = _customCell;
        _customCell = nil;
    }
    // Show my cell
    return cell;
}

以及其他问题，我应该在哪里写do process？在我的TableViewController.m或我的CustomCell.m中？如果你不介意，请提供代码和解释，我在这里新的，仍在学习。我想了解你编写的每一行代码。谢谢。

and for other question, where should i write for do process at? inside my TableViewController.m or my CustomCell.m? if you dont mind, please provide me with code and explanation, im new in here and still learning. i want to understand in every line of code that you write. Thank you.

更新：

到目前为止，这是我在TableViewController.m中的cellForRowAtIndexPath：

This is my cellForRowAtIndexPath inside TableViewController.m so far:

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    CustomCell *cell = (CustomCell *)[tableView dequeueReusableCellWithIdentifier:[CustomCell reuseIdentifier]];
    if (cell == nil)
    {
        [[NSBundle mainBundle] loadNibNamed:@"CustomCell" owner:self options:nil];
        cell = _customCell;
        _customCell = nil;
    }
    button.tag = indexPath.row;
    cell.titleLabel.text = [titleArray objectAtIndex:indexPath.row];
    cell.timerLabel.text =  [timeArray objectAtIndex:indexPath.row];
    time = [[secondArray objectAtIndex:indexPath.row] integerValue];
    NSLog(@"Title %@, time %@, second %@, time %i, tag %d", titleArray, timeArray, secondArray, time, button.tag);
    return cell;
}

这是日志说：

2012-08-04 17:38:36.257 Table[1269:f803] Title (
    "Test 1",
    "Test 2"
), time (
    "10 secs",
    "5 secs"
), second (
    10,
    5
), time 10, tag 0 // tag 0 for cell 1
2012-08-04 17:38:36.261 Table[1269:f803] Title (
    "Test 1",
    "Test 2"
), time (
    "10 secs",
    "5 secs"
), second (
    10,
    5
), time 5, tag 0 // tag should be 1 for cell 2 but it said 0. How to fix it?

推荐答案

这就是你如何在A中采取行动添加按钮CELL

THIS IS HOW YOU ADD BUTTON WITH AN ACTION IN A CELL

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

// ADDING A BUTTON WITH TARGET
UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundRect];
btn.frame = CGRectMake(0, 0, 50, 50);
btn.showsTouchWhenHighlighted = YES;
btn.tag = indexPath.row;
[btn addTarget:self action:@selector(onoffBtn:) forControlEvents:UIControlEventTouchUpInside];

[cell.contentView addSubview:btn];

return cell;
}


- (IBAction)onoffBtn:(id)sender
{
UIButton *button = (UIButton *)sender;
button.selected = !button.selected;
if (button.selected)
{
    // Do action 1
}
else
{
    // Do action 2
}
}

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