一个大的猫窝,voidcat

        CGRect fixframe = weakSelf.infoBackImageView.bounds;
        subLayer.frame= fixframe;
        subLayer.cornerRadius=10;
        subLayer.backgroundColor=[UIColor whiteColor].CGColor;
        subLayer.masksToBounds=NO;
        subLayer.shadowColor = [UIColor qmui_colorWithHexString:@"#EBEBEB"].CGColor;//shadowColor阴影颜色
        subLayer.shadowOffset = CGSizeMake(3,2);//shadowOffset阴影偏移,x向右偏移3，y向下偏移2，默认(0, -3),这个跟shadowRadius配合使用
        subLayer.shadowOpacity = 0.8;//阴影透明度，默认0
        subLayer.shadowRadius = 4;//阴影半径，默认3
        [weakSelf.infoBackImageView.layer insertSublayer:subLayer atIndex:0];