//彩种按钮

    listChuan = 1;

   NSMutableArray *showLabelArray = [NSMutableArrayarrayWithCapacity:10];

   for (int i =0; i<7; i++) {

       listChuan++;

       NSString *chuanStr = [NSStringstringWithFormat:@"%i选",listChuan];

        [showLabelArrayaddObject:chuanStr];

    }

    //添加彩种按钮

   for (int i=0; i<2; i++) {

       for (int j =0; j<4; j++) {

           if (i == 1&&j==3) {

               break;

            }

            UIButton *btn = [UIButtonbuttonWithType:UIButtonTypeCustom];

            [btn setBackgroundImage:[UIImageimageNamed:@"btn_white_small"]forState:UIControlStateNormal];

            [btn setTitle:[showLabelArrayobjectAtIndex:i*4+j]forState:UIControlStateNormal];

            [btn setTitleColor:[UIColorblackColor] forState:UIControlStateNormal];

            btn.layer.borderColor = [UIColorlightGrayColor].CGColor;

            btn.layer.borderWidth =0.7;

            btn.selected =NO;

            btn.frame =CGRectMake(5+j*70,50+i*40, 60, 30);

            btn.tag = i*4+j;

            [btn addTarget:selfaction:@selector(chooseLottery:)forControlEvents:UIControlEventTouchUpInside];

            [chooseBackroundViewaddSubview:btn];

           NSLog(@"btn.tag%d",btn.tag);

        }

    }

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

   UIView *backBround= (UIView *)[self.viewviewWithTag:TOUZHUBACKGROUNVIEW_Tag];

   UIButton *button = (UIButton *)sender;

   for (int i=0; i<2; i++) {

       for (int j =0; j<4; j++) {

           if (i == 1&&j==3) {

               break;

                button  =(UIButton*)[backBroundviewWithTag:i*4+j];

            }

        }

    }

   if (button.selected ==YES)

    {

        [button setBackgroundImage:[UIImageimageNamed:@" "]forState:UIControlStateNormal];

        button.selected = !button.selected;

    }

   else if (button.selected ==NO)

    {

        [button setBackgroundImage:[UIImageimageNamed:@"leagueBtn_selected@2x"]forState:UIControlStateNormal];

        button.selected =!button.selected;

    }

iOS 循环排列按钮(数组排列按钮) 触发事件