IOS自定义UIButton九宫格效果

#define SCREEN_WIDTH [UIScreen mainScreen].bounds.size.width
#define SCREEN_HEIGHT [UIScreen mainScreen].bounds.size.height

#define JHRGB(r,g,b) [UIColor colorWithRed:(r/255.0) green:(g/255.0) blue:(b/255.0) alpha:1.0]
#define JHRandomColor JHRGB(arc4random_uniform(255), arc4random_uniform(255), arc4random_uniform(255))

@property (nonatomic, strong) NSArray * titlesArr;

@property (nonatomic, strong) UILabel * numberLab;

@property (nonatomic, strong) NSArray * titleimg;

-(NSArray *)titlesArr{
 if (!_titlesArr) {
 _titlesArr = @[@"首页",@"采购",@"文章",@"社区",@"服务",@"扫描",@"定位",@"售后",@"订单"];
 }
 return _titlesArr;
}
-(NSArray *)titleimg{
 if (!_titleimg) {
 _titleimg = @[@"me",@"msg",@"meg",@"1",@"2",@"3",@"me",@"2",@"3"];
 }
 return _titleimg;
}

-(void)setButton{
 NSInteger totalLoc = 3;//一列三个数
 CGFloat W = 50;//宽度
 CGFloat H = W;//高度
 CGFloat margin=(self.view.frame.size.width-totalLoc * W)/(totalLoc+1);
 
 for (NSInteger i = 0; i < self.titlesArr.count; i++) {//循环体
 
 UIButton * btn = [UIButton buttonWithType:UIButtonTypeCustom];//button的定义
 btn.frame = CGRectMake(100, 100, 80, 80);//button大小
 
 [btn setTitle:self.titlesArr[i] forState:UIControlStateNormal];//动态设置button文本
 [btn setBackgroundImage:[UIImage imageNamed:self.titleimg[i]] forState:UIControlStateNormal];//动态设置图片
 [btn setTitleColor:[UIColor darkGrayColor] forState:0];//文本的颜   
 [btn setImageEdgeInsets:UIEdgeInsetsMake(5, 25, 45, 25)];//图片的大小
 [btn setTitleEdgeInsets:UIEdgeInsetsMake(80, 0, 5, 0)];//文本的位置
 //btn.backgroundColor = [UIColor blueColor];
 
 /*计算frame*/
 NSInteger row = i / totalLoc;//行号
 NSInteger loc = i % totalLoc;//列号
 //0/3=0,1/3=0,2/3=0,3/3=1;
 //0%3=0,1%3=1,2%3=2,3%3=0;
 CGFloat X= margin + (margin + W) * loc;
 CGFloat Y= margin + (margin + H) * row;
 btn.frame = CGRectMake(X, Y, W, H);
 
 //设置tag值(这里的tag，只是为了让button的每次点击都有不同的动画效果)
 btn.tag = i;
 
 [btn addTarget:self action:@selector(clickBtn:) forControlEvents:UIControlEventTouchUpInside];
 
 [self.lgView.imgview addSubview:btn];
 }
}

-(void)clickBtn:(UIButton *)btn{
 
 NSString *stringInt = [NSString stringWithFormat:@"%ld",(long)btn.tag];
 
 btn.layer.transform = CATransform3DMakeScale(0.5*arc4random_uniform([stringInt floatValue]), 0.5*arc4random_uniform([stringInt floatValue]), 1);
 
 self.numberLab.text = btn.titleLabel.text;
 NSLog(@"%@wo dian ji l:",stringInt);
 [UIView animateWithDuration:0.5 animations:^{
 
 btn.layer.transform = CATransform3DMakeScale(1, 1, 1);
 
 }];
}