-(void)addBtn
{
NSArray *arr = [[NSArray alloc] initWithObjects:@"未使用",@"已使用",@"已付款",@"退款", nil];
for (int i = 0; i < 4; i ++) {
UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];
btn.frame = CGRectMake(16+i*(60+16), 40, 60, 44);
btn.tag = 10+i;
[btn setTitle:[arr objectAtIndex:i] forState:UIControlStateNormal];
[btn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
[btn addTarget:self action:@selector(btnClick:) forControlEvents:UIControlEventTouchUpInside];
if (btn.tag==10) {
[btn setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
}
[self addSubview:btn];
}
}
-(void)btnClick:(UIButton *)sender
{
static int currentSelectButtonIndex = 0;
static int previousSelectButtonIndex=10;
currentSelectButtonIndex=sender.tag;
UIButton *previousBtn=(UIButton *)[self viewWithTag:previousSelectButtonIndex];
[previousBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
UIButton *currentBtn = (UIButton *)[self viewWithTag:currentSelectButtonIndex];;
[currentBtn setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
previousSelectButtonIndex=currentSelectButtonIndex;
NSLog(@">>>>>>>>>%d",currentSelectButtonIndex);
}
可实现随意切换的button同时随切换改变title的颜色,布布扣,bubuko.com