kudians/ZBProject/Order/Controller/Second/ZBHotSaleVie...

//
//  ZBHotSaleViewController.m
//  ZBProject
//
//  Created by 学丽 on 2019/4/19.
//  Copyright © 2019 ZB. All rights reserved.
//

#import "ZBHotSaleViewController.h"

@interface ZBHotSaleViewController ()<UICollectionViewDelegate,UICollectionViewDataSource,UICollectionViewDelegateFlowLayout>
@property(nonatomic,strong)UICollectionView *collectionV;
@property(nonatomic,strong)NSMutableArray *dataArray;
@property(nonatomic,assign)NSInteger Page;
@end

@implementation ZBHotSaleViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self setNavs];
}
#pragma mark----collectionView||delegate&Datasource
-(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
    
    ZBHotSaleListCell *shopC =[collectionView dequeueReusableCellWithReuseIdentifier:@"data" forIndexPath:indexPath];
//    shopC.model=self.dataArray[indexPath.row];
    
    return shopC;
    
}
-(void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
{
    ZBGoodDetailVC *detailVC = [[ZBGoodDetailVC alloc] init];
    
    detailVC.model = self.dataArray[indexPath.row];
    [self.navigationController pushViewController:detailVC animated:YES];
}

-(CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
    
    return CGSizeMake(SCREEN_WIDTH, 130);
}

-(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
    return 4;
//    return self.dataArray.count;
}
-(NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
    return 1;
}
-(UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section
{
    
    return UIEdgeInsetsMake(0, 0, 0, 0);//分别为上、左、下、右
}
-(CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section
{
    
    return CGSizeMake(SCREEN_WIDTH, 0);
}
-(void)setNavs
{
    self.Page = 1;
    
    
    [self.view addSubview:self.collectionV];
    [self.collectionV mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(0);
        make.right.mas_equalTo(0);
        make.top.mas_equalTo(NavBarHeight);
        make.height.mas_equalTo(SCREEN_HEIGHT);
    }];
    self.view.backgroundColor=[UIColor lineColor];
    self.navBar.backgroundColor=[UIColor whiteColor];
    self.navBar.navTitleLabel.textColor=[UIColor blackColor];
    self.navBar.navTitleLabel.text=@"热销榜";
    self.navigationController.navigationBar.hidden=NO;
    
    UIButton *returnBtn =[[UIButton alloc]initWithFrame:CGRectMake(0, 0, 30, 20)];
    [returnBtn addTarget:self action:@selector(returnClickBtn) forControlEvents:UIControlEventTouchUpInside];
    [returnBtn setImage:[UIImage imageNamed:@"back"] forState:UIControlStateNormal];
    returnBtn.adjustsImageWhenHighlighted = NO;
    [self.navBar setCustomLeftButtons:@[returnBtn]];
    
    [self.navBar setShowNavigationBarBottomLine:YES];
    
    
    
    
}
-(void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
    self.navigationController.navigationBar.hidden=NO;
    
}
-(void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    self.navBar.hidden=NO;
    [UIApplication sharedApplication].statusBarStyle=UIStatusBarStyleDefault;
}

-(void)returnClickBtn
{
    [self.navigationController popViewControllerAnimated:YES];
}

-(UICollectionView *)collectionV
{
    if (!_collectionV) {
        UICollectionViewFlowLayout *flowLayout =[[UICollectionViewFlowLayout alloc]init];
        
        flowLayout.minimumLineSpacing = 1;
        flowLayout.minimumInteritemSpacing = 0;
       
        _collectionV =[[UICollectionView alloc]initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT) collectionViewLayout:flowLayout];
        _collectionV.delegate=self;
        _collectionV.dataSource=self;
        _collectionV.showsVerticalScrollIndicator=NO;
        _collectionV.showsHorizontalScrollIndicator=NO;
        _collectionV.backgroundColor=[UIColor clearColor];
        
      
        
        [_collectionV registerClass:[ZBHotSaleListCell class] forCellWithReuseIdentifier:@"data"];
        self.collectionV.mj_header =[MJRefreshNormalHeader headerWithRefreshingBlock:^{
            self.Page = 1;
//            [self getProductData];
        }];
        self.collectionV.mj_footer=[MJRefreshBackNormalFooter footerWithRefreshingBlock:^{
            self.Page ++;
//            [self getProductData];
        }];
    }
    return _collectionV;
}

-(NSMutableArray *)dataArray
{
    if (!_dataArray) {
        _dataArray =[NSMutableArray array];
    }
    return _dataArray;
}

@end