iOS项目开发--实现类似淘宝详情页面

 /** 封装刷新 MJRefresh */#import "QRG_MJRefreshAutoFooter.h"#import "QRG_MJRefreshNormalHeader.h"#import "CollectionViewCell.h"#define WIDTH [UIScreen mainScreen].bounds.size.width#define HEIGHT [UIScreen mainScreen].bounds.size.height#define ARCCOLOR (arc4random() % 255/256.0)#import "ViewController.h"

- (void)viewDidLoad { [super viewDidLoad]; /** 底层view*/ UIScrollView *mainScrollView = [[UIScrollView alloc] init]; mainScrollView.scrollEnabled = NO; mainScrollView.frame = CGRectMake(0, 0, WIDTH, HEIGHT); mainScrollView.contentSize = CGSizeMake(WIDTH, HEIGHT * 2); mainScrollView.backgroundColor = [UIColor greenColor]; mainScrollView.pagingEnabled = YES; mainScrollView.bounces = YES; [self.view addSubview:mainScrollView]; /** 第一页面 table*/  OneTable = [[UITableView alloc] init]; OneTable.frame = CGRectMake(0,0, WIDTH, HEIGHT - 64); OneTable.separatorColor = [UIColor greenColor]; OneTable.delegate = self; OneTable.dataSource = self; OneTable.rowHeight = 80; [mainScrollView addSubview:OneTable]; /** 第二页面 scrollView*/   UIScrollView *TwoScrollView = [[UIScrollView alloc] init]; TwoScrollView.frame = CGRectMake(0, HEIGHT + 64, WIDTH, HEIGHT - 64); TwoScrollView.contentSize = CGSizeMake(WIDTH * 3, HEIGHT - 64); TwoScrollView.backgroundColor = [UIColor cyanColor]; TwoScrollView.pagingEnabled = YES; TwoScrollView.bounces = NO; [mainScrollView addSubview:TwoScrollView]; /** 第二页面 table*/  TwoTable = [[UITableView alloc] init]; TwoTable.frame = CGRectMake(WIDTH, 0, WIDTH, HEIGHT - 64); TwoTable.separatorColor = [UIColor redColor]; TwoTable.delegate = self; TwoTable.dataSource = self; [TwoScrollView addSubview:TwoTable]; /** 第二页面 UICollectionView*/  UICollectionViewFlowLayout *flow = [[UICollectionViewFlowLayout alloc] init]; [flow setScrollDirection:UICollectionViewScrollDirectionVertical]; UICollectionView *TwoCollectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 0, WIDTH, HEIGHT - 64) collectionViewLayout:flow]; TwoCollectionView.backgroundColor = [UIColor lightTextColor]; TwoCollectionView.delegate = self; TwoCollectionView.dataSource = self; [TwoScrollView addSubview:TwoCollectionView];// [TwoCollectionView registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:@"Coll"]; [TwoCollectionView registerNib:[UINib nibWithNibName:@"CollectionViewCell" bundle:nil] forCellWithReuseIdentifier:@"Coll"]; //设置UITableView 上拉加载 OneTable.mj_footer = [QRG_MJRefreshAutoFooter footerWithRefreshingBlock:^{  //上拉，执行对应的操作---改变底层滚动视图的滚动到对应位置  //设置动画效果  [UIView animateWithDuration:0.5 delay:0.0 options:UIViewAnimationOptionLayoutSubviews animations:^{   //   self.scrollV.contentOffset = CGPointMake(0, IPHONE_H);   [mainScrollView setContentOffset:CGPointMake(0, HEIGHT)];  } completion:^(BOOL finished) {   //结束加载   [OneTable.mj_footer endRefreshing];  }]; }]; //设置TwoCollectionView 有下拉操作 TwoCollectionView.mj_header = [QRG_MJRefreshNormalHeader headerWithRefreshingBlock:^{  //下拉执行对应的操作  //  self.scrollV.contentOffset = CGPointMake(0,0);  [UIView animateWithDuration:1 animations:^{   [mainScrollView setContentOffset:CGPointMake(0, - 64)];  }];  //结束加载  [TwoCollectionView.mj_header endRefreshing]; }]; //设置TwoTable 有下拉操作 TwoTable.mj_header = [QRG_MJRefreshNormalHeader headerWithRefreshingBlock:^{  //下拉执行对应的操作  //  self.scrollV.contentOffset = CGPointMake(0,0);  [UIView animateWithDuration:1 animations:^{   [mainScrollView setContentOffset:CGPointMake(0, - 64)];  }];    //结束加载  [TwoTable.mj_header endRefreshing]; }];}

#pragma mark---------tableDelegate- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{ CGFloat height;  if([tableView isEqual:OneTable])  {   height = 80;  }else  {   return 120;  } return height;}- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{ return 10;}- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{ static NSString *Cell = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:Cell]; if(!cell) {  cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:Cell]; } cell.textLabel.text = [NSString stringWithFormat:@"%ld--askl",indexPath.row]; cell.imageView.image = [UIImage imageNamed:@"6"]; return cell;}#pragma mark---------CollectionViewDelegate- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{ return 20;}- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath{ return CGSizeMake(150, 100);}- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{ static NSString *Coll = @"Coll"; CollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:Coll forIndexPath:indexPath];// cell.backgroundColor =[UIColor greenColor]; return cell;}