Ios tableview节标题中的复选框

如何在tableview节标题中实现复选框。我的密码是

-(UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
{
    UIView *tempView=[[UIView alloc]initWithFrame:CGRectMake(0,200,300,244)];
    tempView.backgroundColor=[UIColor clearColor];

     UIButton *leftSecCheckBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    [leftSecCheckBtn setBackgroundImage:[UIImage imageNamed:@"checkbox_empty.png"] forState:UIControlStateNormal];
    [leftSecCheckBtn setBackgroundImage:[UIImage imageNamed:@"checkmark_Tick.png"] forState:UIControlStateSelected];
    [leftSecCheckBtn setFrame:CGRectMake(22,-2, 26, 26)];
    [leftSecCheckBtn addTarget:self
               action:@selector(leftSectionCheckBox:)
     forControlEvents:UIControlEventTouchUpInside];
    [tempView addSubview:leftSecCheckBtn];

}

-(void)leftSectionCheckBox:(id)sender
{   
    UIButton *selectedButton = (UIButton *) sender;
    {
        if([selectedButton isSelected ]==YES)
        {
            [selectedButton setSelected:NO];
        }
        else
        {
            [selectedButton setSelected:YES];
        }
    }
}

---

在ViewForHeader功能中添加了按钮，但是，按钮的图像没有改变

我认为这有助于：

-(void)leftSectionCheckBox:(UIButton *)sender  {  

sender.selected = !sender.isSelected;
if([selectedButton isSelected ]==YES)  [selectedButton setSelected:NO];
else  [selectedButton setSelected:YES];
}

或者您可以这样做：

-(void)leftSectionCheckBox:(id)sender {  
for (UIButton * selectedButton in [[tableView headerViewForSection:0]subviews]) {
    if ([selectedButton isKindOfClass:[UIButton class]]) {
       if([selectedButton isSelected ]==YES) [selectedButton setSelected:NO];
       else  [selectedButton setSelected:YES];
      }
}}

试试这个

    -(void)leftSectionCheckBox:(id)sender
    {   
        UIButton *selectedButton = (UIButton *) sender;

            if([selectedButton isSelected ]==YES)
            {
                [selectedButton setSelected:NO];
                [leftSecCheckBtn setBackgroundImage:[UIImage imageNamed:@"checkbox_empty.png"] forState:UIControlStateNormal];
            }
            else
            {
                [selectedButton setSelected:YES];
                [leftSecCheckBtn setBackgroundImage:[UIImage imageNamed:@"checkmark_Tick.png"] forState:UIControlStateNormal];
            }
      }

我用一种方式回答它。否则，您必须通过interface builder执行此操作。

将tempView用户交互设置为启用

[tempView setUserInteractionEnabled:YES];

你可以最小化你的方法，比如

-(void)leftSectionCheckBox:(UIButton *)selectedButton
{    
  selectedButton.selected = !selectedButton.selected;
}

---

这是不是给了一些错误？？创建断点并调试它。此代码中没有错误。我的问题是，按钮是图像没有改变。这是viewForHeaderInSection中的实际代码吗？没有回头路；最后？您认为在这种情况下，UIButton*selectedButton=UIButton*sender会符合吗；{如果[selectedButton isSelected]==YES{[selectedButton setSelected:NO]；}其他{[selectedButton setSelected:YES]；}你是说多余的花括号吗？它们对执行流没有影响。那里没有条件。