如何更改ios中添加到UITableview节标题的按钮图像

这是我的密码

- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
{

    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];

    [button setImage:[UIImage imageNamed:@"Add_plus_iCon_iphone_4s"] forState:UIControlStateNormal];

    button.frame = CGRectMake(sectionView.frame.size.width-10, 10, 20, 20);

    [button addTarget:self action:@selector(btnAction:) forControlEvents:UIControlEventTouchUpInside];

    [sectionView addSubview:button];

}

- (void)btnAction:(UIButton *)sender

{

int i = [sender.titleLabel.text intValue];
NSNumber *numb;
if(i == 0)

{
    numb = [NSNumber numberWithBool:NO];
    sender.titleLabel.text = @"1";
    [sender setImage:[UIImage imageNamed:@"Add_minus_iCon_iphone_4s"] forState:UIControlStateNormal];
    [sender setImage:[UIImage imageNamed:@"Add_plus_iCon_iphone_4s"] forState:UIControlStateHighlighted];
}
else
{
    numb = [NSNumber numberWithBool:YES];
    sender.titleLabel.text = @"0";
    [sender setImage:[UIImage imageNamed:@"Add_plus_iCon_iphone_4s"] forState:UIControlStateNormal];
    [sender setImage:[UIImage imageNamed:@"Add_minus_iCon_iphone_4s"] forState:UIControlStateHighlighted];
}
}

---

每次加载页眉时都会创建UIButton，这会导致按钮重置， 一种方法是在storyborad或xib中设计单元并使用参考， 还有一个数据源来跟踪值 e、 g

---

首先在ViewDidLoad中为两种状态（UIControlStateNormal、UIControlStateSelected）设置按钮的图像，然后执行[cell.btSelectSetSelected:YES]；或[cell.btselect setSelected:NO]；按照要求

---

否则，点击按钮时更改uicontrol状态正常的图像。

使用数组并跟踪更改的值，并像对单元格那样进行相应分配。您能建议如何以正确的格式发布代码吗..提前感谢

 if([dataSouce containsObject:yourItem]){
        //selected button image
        [cell.btnSelect setSelected:YES];
    }
    else{
        //unselected button image

        [cell.btnSelect setSelected:NO];

    }