自动布局，防京东商品属性，Label自适应

效果如上图所示

//写到获取信息后的请求完成里面

//数据示例*********

{
    Latas =     (
        330ML,
        500ML
    );
    Marca =     (
        Refriango
    );

}

********************/

for ( UIView *view in _selectScrollView . subviews ) {
                if (view != _nameLabel && view != logoImageView && view != priceLabel && view != line_scroll ) {
                    [view removeFromSuperview ];
                }
            }
            selectYES = [ NSMutableArray arrayWithArray :[[ _dataDict objectForKey : @"attr" ] componentsSeparatedByString : @"," ]];
            _moreHeight = 120 ;
            int j = 0 ;
            int k = 1 ;
            int l = 0 ;
            //BOOL _default = NO;
            for ( NSString *key in details) {
                NSMutableArray *arr = [ NSMutableArray arrayWithArray :[details objectForKey :key]];
             j = 0 ;

                for ( int i= 0 ; i count ; i++) {

                    NSString *str = [ NSString stringWithFormat : @"%@" ,[arr objectAtIndex :i]];
                    NSDictionary *dictSize = [ NSDictionary dictionaryWithObjectsAndKeys :[ UIFont systemFontOfSize : 14.0 ], NSFontAttributeName , nil ];
                    CGSize size = [str boundingRectWithSize : CGSizeMake ( _selectScrollView . bounds . size . width - 100 , 20 ) options : NSStringDrawingUsesLineFragmentOrigin attributes :dictSize context : nil ]. size ;
                   
                    UILabel *label = [[ UILabel alloc ] init ];
                    label. font = [ UIFont systemFontOfSize : 14.0 ];
                    label. textAlignment = NSTextAlignmentCenter ;
                    label. layer . cornerRadius = 2.0 ;
                    label. layer . masksToBounds = NO ;
                    label. textColor = [ UIColor blackColor ];
                    label. layer . borderWidth = 0.5 ;
                    label. tag = 1000 *k + i;
                    label. layer . borderColor = ColorWihtRGB ( 175 , 175 , 175 , 1.0 ). CGColor ;
                    if (i == 0 ) {
                        label. frame = CGRectMake ( 10 , _moreHeight + 10 +l* 10 , size. width + 10 , 20 );
                        _prevWith = size. width + 20 ;
                        _moreThanWideHeight = _moreHeight + 10 ;
                    } else {
                        label. frame = CGRectMake ( _prevWith + 10 , _moreThanWideHeight +l* 10 , size. width + 20 , 20 );
                        _prevWith += size. width + 30 ;
                    }
                   
                    if ( _prevWith > _selectScrollView . bounds . size . width - 20 ) {
                        _prevWith = 10 ;
                        label. frame = CGRectMake ( _prevWith , _moreThanWideHeight + 30 +l* 10 , size. width + 20 , 20 );
                        _prevWith = size. width + 30 ;
                        _moreThanWideHeight += 30 ;
                        //_moreHeight = _moreThanWideHeight;
                        j++;
                    }
                    label. text = str;
                    [ _selectScrollView addSubview :label];
                   
                    UITapGestureRecognizer *tap = [[ UITapGestureRecognizer alloc ] initWithTarget : self action : @selector (attributeSelect:)];
                    label. userInteractionEnabled = YES ;
                    [label addGestureRecognizer :tap];
                   
                    for ( NSString *str in selectYES ) {
                        if ([str isEqualToString :label. text ]) {
                            label. layer . borderColor = ColorWihtRGB ( 240 , 75 , 75 , 1.0 ). CGColor ;
                            break ;
                        }
                    }
                }
                UILabel *nameLabel = [[ UILabel alloc ] initWithFrame : CGRectMake ( 10 , _moreHeight - 25 +l* 10 , _selectScrollView . bounds . size . width - 20 , 40 )];
                nameLabel. text = key;
                nameLabel. font = [ UIFont systemFontOfSize : 14.0 ];
                [ _selectScrollView addSubview :nameLabel];
                _moreHeight += 40 +j* 30 ;
                k++;
                l++;
            }
            UILabel *nameLabel = [[ UILabel alloc ] initWithFrame : CGRectMake ( 10 , _moreHeight +l* 10 - 5 , _selectScrollView . bounds . size . width - 20 , 20 )];
            nameLabel. text = NSLocalizedString ( @" 数量 " , "Localizable" );
            nameLabel. font = [ UIFont systemFontOfSize : 14.0 ];
            [ _selectScrollView addSubview :nameLabel];
           
            bgView_num . frame = CGRectMake ( 10 , _moreHeight + 20 +l* 10 , 93 , 28 );
            [ _selectScrollView addSubview : bgView_num ];
           

            _selectScrollView.contentSize = CGSizeMake(screenWidth-50, _moreThanWideHeight+30+30+30+l*10);

//点击切换产品

//_propertyDict  产品关联字典 数据示例************

"details":{

"246":"Refriango,500ML",

"243":"Refriango,330ML"

}

*************************/

- ( void )attributeSelect:( UITapGestureRecognizer *)tap {

  selectYES = [[ NSMutableArray alloc ] init ];
        for ( UILabel *label in _selectScrollView . subviews ) {
            if ([label isKindOfClass :[ UILabel class ]]) {
                //NSLog(@"%@",label.layer.borderColor);
                label. textColor = [ UIColor blackColor ];
                if (label. tag / 1000 == tap. view . tag / 1000 ) {
                    if (label. tag == tap. view . tag ) {
                        NSLog ( @"111  == %ld" ,label.tag);
                        label. layer . borderColor = ColorWihtRGB ( 240 , 75 , 75 , 1.0 ). CGColor ;
                        [ selectYES addObject :label. text ];
                    } else {
                        if (label. layer . borderColor == ColorWihtRGB ( 240 , 75 , 75 , 1.0 ). CGColor ) {
                            [ selectYES addObject :label. text ];
                        } else {
                            NSLog ( @"222 ==  %ld" ,label.tag);
                            label. layer . borderColor = ColorWihtRGB ( 175 , 175 , 175 , 1.0 ). CGColor ;
                        }
                    }
                } else {
                    if (label. layer . borderColor == ColorWihtRGB ( 240 , 75 , 75 , 1.0 ). CGColor ) {
                        [ selectYES addObject :label. text ];
                    } else {
                        NSLog ( @"222 ==  %ld" ,label.tag);
                        //label.layer.borderColor = ColorWihtRGB(175, 175, 175, 1.0).CGColor;
                    }
                }
            }
        }
       
        BOOL _select = NO ;
        for ( NSString *key11 in _propertyDict ) {
            NSArray *arr = [ NSMutableArray arrayWithArray :[[ _propertyDict objectForKey :key11] componentsSeparatedByString : @"," ]];
            NSPredicate *filterPredicate = [ NSPredicate predicateWithFormat : @"NOT (SELF IN %@)" ,arr];
            // 过滤数组
            NSArray *reslutFilteredArray = [ selectYES filteredArrayUsingPredicate :filterPredicate];
           
            if (reslutFilteredArray. count == 0 ) {
                if ([key11 integerValue ] == [ self . good_id integerValue ]) {
                    [ buyToCar setBackgroundColor :[ UIColor colorWithRed : 240 / 255.0 green : 75 / 255.0 blue : 75 / 255.0 alpha : 1.0 ]];
                    buyToCar . selected = YES ;
                    return ;
                }
                self . good_id = key11;
                _select = YES ;
                [ buyToCar setBackgroundColor :[ UIColor colorWithRed : 240 / 255.0 green : 75 / 255.0 blue : 75 / 255.0 alpha : 1.0 ]];
                buyToCar . selected = YES ;
                break ;
            } else {
                [ buyToCar setBackgroundColor :[ UIColor colorWithRed : 175 / 255.0 green : 175 / 255.0 blue : 175 / 255.0 alpha : 1.0 ]];
                buyToCar . selected = NO ;
            }
        }
        if (_select) {
            //NSLog(@"%@",good_id);
            [ self good_info ];//获取商品详情的接口调用
        }  else {
            [ buyToCar setBackgroundColor :[ UIColor colorWithRed : 175 / 255.0 green : 175 / 255.0 blue : 175 / 255.0 alpha : 1.0 ]];

            buyToCar.selected = NO;

   }