Iphone 我对5个按钮使用相同的操作，想知道调用哪个按钮？

我对5个按钮使用了相同的操作，我想知道哪个按钮被称为

在nib中为按钮赋予标记值，然后将其添加到按钮操作中：

allbtn = sender;
    btntag = allbtn.tag;
    NSLog(@"btntag:%d",btntag);
    if(btntag==1)
    {
    } 

---

现在您可以轻松找到您点击的按钮。

在nib中为您的按钮赋予标记值，然后将其添加到按钮操作中：

allbtn = sender;
    btntag = allbtn.tag;
    NSLog(@"btntag:%d",btntag);
    if(btntag==1)
    {
    } 

---

现在您可以轻松找到您点击的按钮。

在这种情况下，请尝试为按钮指定唯一的标记

在目标方法中，按如下所示重新获得按钮标记

乙二醇

---

在这种情况下，请尝试为按钮指定唯一的标记

在目标方法中，按如下所示重新获得按钮标记

乙二醇

使用：

然后使用：

-(void)aMethod:(id)sender{

UIButton *button = (UIButton *)sender;

int clickedBtnTag = button.tag ;

Nslog("clicked button tag is %d",clickedBtnTag);

} 

尝试此操作，然后请还原我。

使用：

UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[button addTarget:self 
           action:@selector(aMethod:)
 forControlEvents:UIControlEventTouchDown];
[button setTitle:@"Show View" forState:UIControlStateNormal];
button.frame = CGRectMake(80.0, 210.0, 160.0, 40.0);
button.tag=1;
[view addSubview:button];

-(void)aMethod:(id)sender{

UIButton *button = (UIButton *)sender;

int clickedBtnTag = button.tag ;

Nslog("clicked button tag is %d",clickedBtnTag);

} 

然后使用：

-(void)aMethod:(id)sender{

UIButton *button = (UIButton *)sender;

int clickedBtnTag = button.tag ;

Nslog("clicked button tag is %d",clickedBtnTag);

} 

试试这个，然后请回复我

UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[button addTarget:self 
           action:@selector(aMethod:)
 forControlEvents:UIControlEventTouchDown];
[button setTitle:@"Show View" forState:UIControlStateNormal];
button.frame = CGRectMake(80.0, 210.0, 160.0, 40.0);
button.tag=1;
[view addSubview:button];

-(void)aMethod:(id)sender{

UIButton *button = (UIButton *)sender;

int clickedBtnTag = button.tag ;

Nslog("clicked button tag is %d",clickedBtnTag);

} 

试试这个，然后请回复我

UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[button addTarget:self 
           action:@selector(aMethod:)
 forControlEvents:UIControlEventTouchDown];
[button setTitle:@"Show View" forState:UIControlStateNormal];
button.frame = CGRectMake(80.0, 210.0, 160.0, 40.0);
button.tag=1;
[view addSubview:button];

-(void)aMethod:(id)sender{

UIButton *button = (UIButton *)sender;

int clickedBtnTag = button.tag ;

Nslog("clicked button tag is %d",clickedBtnTag);

} 

---

试试这个，然后请回复我。

allbtn是UIButton*allbtn；allbtn为UIButton*allbtn；

UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[button addTarget:self 
           action:@selector(aMethod:)
 forControlEvents:UIControlEventTouchDown];
[button setTitle:@"Show View" forState:UIControlStateNormal];
button.frame = CGRectMake(80.0, 210.0, 160.0, 40.0);
button.tag=1;
[view addSubview:button];

-(void)aMethod:(id)sender{

UIButton *button = (UIButton *)sender;

int clickedBtnTag = button.tag ;

Nslog("clicked button tag is %d",clickedBtnTag);

}