瀑布流

UICollectionViewFlowLayout* layout=[[UICollectionViewFlowLayout alloc]init];

    layout.minimumInteritemSpacing=10;

    layout.minimumLineSpacing=10;

    

    layout.scrollDirection=UICollectionViewScrollDirectionVertical;

    layout.sectionInset=UIEdgeInsetsMake(10, 10, 10, 10);

    layout.itemSize=CGSizeMake((iPhoneWidth-30)/2, (iPhoneWidth-30)/2+60);

    

    _collectionView=[[UICollectionView alloc]initWithFrame:CGRectMake(0, Status_NavBar+44 , iPhoneWidth, iPhoneHeight-Status_NavBar-44) collectionViewLayout:layout];

    _collectionView.backgroundColor=[UIColor clearColor];

    _collectionView.dataSource=self;

    _collectionView.delegate=self;

    

    [_collectionView registerClass:[ProductCollectionViewCell class] forCellWithReuseIdentifier:@"collectonCell"];

     //[_collectionView registerClass:[UICollectionViewCell class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"collectonCell"];

     [self.view  addSubview: _collectionView];

#pragma mark 瀑布流代理

-(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section

{

    

    return _productArray.count;

}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath

{

    ProductCollectionViewCell *cell=[collectionView dequeueReusableCellWithReuseIdentifier:@"collectonCell" forIndexPath:indexPath];

    

    NSDictionary *dict=_productArray[indexPath.row];

    [cell.logo sd_setImageWithURL:[NSURL URLWithString:[FXAFactory judgeBackString:dict[@"pic"]]] placeholderImage:[UIImage imageNamed:@"default_list1-1"]];

    cell.title.text=[FXAFactory judgeBackString:dict[@"goodsName"]];

    cell.price.text= [NSString stringWithFormat:@"¥%@",[FXAFactory judgeBackString:dict[@"price"]]];

    cell.likeNum.text=[NSString stringWithFormat:@"已售%@笔",[FXAFactory judgeBackString:dict[@"orderCount"]]];

    return cell;

}

//点击

-(void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath

{

    NSDictionary *dict=_productArray[indexPath.row];

    ProDetailViewController *ProVC = [[ProDetailViewController alloc] init];

    ProVC.title = @"商品详情";

    ProVC.mainGoods=[FXAFactory judgeBackString:dict[@"mainGoodsMdf"]];

    ProVC.hidesBottomBarWhenPushed = YES;

    [self.navigationController pushViewController:ProVC animated:YES];

}