淘宝、京东、天猫等商城首页的布局是怎么样的。
欢迎各位有其它实现方式的评论提示一下。谢谢！
一个电子商城APP的首页布局
通常点上首页的布局如上图，广告、九宫格、精品推荐、下拉cell，如外再加上系统导航和Tabbar。怎么样实现比较简单快捷方便呢。推荐使用UItableView。
思路，整体页面UITableView，每个模块是一个HeaderView。
- Banner广告： UITableView》HeaderView》第三方轮播广告插件
- 九宫格菜单： UITableView》HeaderView》自定义UICollectionView
- 上下滚动文字：UITableView》HeaderView》自定义UIView+第三方轮播广告插件
- 广告： UITableView》HeaderView》UIButton
- 推荐产品： UITableView》HeaderView》自定义UIView或自定义UICollectionView
- tableViewCell：UITableViewCell
话不多说，直接上码。
首页代码实现
//
// RootViewController.m
// ShangChengShouYe
//
// Created by DaLei on 2017/6/26.
// Copyright © 2017年 DaLei. All rights reserved.
//
#import "RootViewController.h"
#import "SDCycleScrollView.h"
#import "MenuCollectionViewController.h"
#import "GridCollectionViewController.h"
#import "UIButton+WebCache.h"
#import "UIImageView+WebCache.h"
#import "HaoWuTableViewCell.h"
#import "HaoJiaTableViewCell.h"
#define SCREEN_WIDTH [UIScreen mainScreen].bounds.size.width
@interface RootViewController ()<SDCycleScrollViewDelegate>
//Banner广告
@property(nonatomic,strong) SDCycleScrollView *bannerAd;
//九宫格
@property(nonatomic,strong) MenuCollectionViewController *menuVC;
//滚动文字广告
@property(nonatomic,strong) SDCycleScrollView *textAd;
//推荐产品，可以使用CollectionView，也可以直接自定义一个UIView更简单一些。
@property(nonatomic,strong) GridCollectionViewController *gridVC;
//cell图片
@property(nonatomic,strong) NSArray *cellImage;
@end
@implementation RootViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.title = @"首页";
self.view.backgroundColor = [UIColor colorWithRed:(237)/255.0 green:(237)/255.0 blue:(237)/255.0 alpha:1.0];
self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
#pragma mark - 懒加载
-(SDCycleScrollView *)bannerAd {
NSArray *imagesURLStrings = @[@"http://eimg.smzdm.com/201706/21/5949c794a058193.png",
@"http://eimg.smzdm.com/201706/20/594872b3ce4897616.png",
@"http://eimg.smzdm.com/201706/21/5949c759c9ec75211.png",
@"http://eimg.smzdm.com/201706/20/59490304c13471312.jpg",
@"http://eimg.smzdm.com/201706/20/5948c8333d5242625.png"];
if (!_bannerAd) {
_bannerAd = [SDCycleScrollView cycleScrollViewWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 180) delegate:self placeholderImage:[UIImage imageNamed:@"default"]];
_bannerAd.pageControlAliment = SDCycleScrollViewPageContolAlimentRight;
_bannerAd.currentPageDotColor = [UIColor whiteColor];
_bannerAd.imageURLStringsGroup = imagesURLStrings;
}
return _bannerAd;
}
-(MenuCollectionViewController *)menuVC {
if (!_menuVC) {
_menuVC = [MenuCollectionViewController new];
}
return _menuVC;
}
-(SDCycleScrollView *)textAd {
if (!_textAd) {
NSArray *textStrings = @[@"纯文字上下滚动轮播，纯文字上下滚动轮播1",
@"纯文字上下滚动轮播，纯文字上下滚动轮播2",
@"纯文字上下滚动轮播，纯文字上下滚动轮播3",
@"纯文字上下滚动轮播，纯文字上下滚动轮播4"];
_textAd = [SDCycleScrollView cycleScrollViewWithFrame:CGRectMake(62, 0, SCREEN_WIDTH-62, 40) delegate:self placeholderImage:nil];
_textAd.scrollDirection = UICollectionViewScrollDirectionVertical;
_textAd.onlyDisplayText = YES;
_textAd.titlesGroup = textStrings;
_textAd.titleLabelTextColor = [UIColor darkTextColor];
_textAd.titleLabelBackgroundColor = [UIColor whiteColor];
}
return _textAd;
}
-(GridCollectionViewController *)gridVC {
if (!_gridVC) {
_gridVC = [GridCollectionViewController new];
NSArray *arr = @[@"http://eimg.smzdm.com/201706/24/594dcc71cdca59038.png",
@"http://eimg.smzdm.com/201706/23/594c69eaeb83e2393.png",
@"http://eimg.smzdm.com/201703/06/58bd4104c7076804.png",
@"http://eimg.smzdm.com/201706/24/594dcc357b2f0503.png",
@"http://tp-y.zdmimg.com/201706/26/58730c28245868912.jpg_d200.jpg",
@"http://tp-y.zdmimg.com/201706/26/5950acb0c4f3c5734.jpg_d200.jpg",
@"http://tp-y.zdmimg.com/201706/26/5950b007443aa3177.jpg_d200.jpg",
@"http://tp-y.zdmimg.com/201706/26/5950af832580a4674.jpg_d200.jpg"];
_gridVC.images = arr;
}
return _gridVC;
}
-(NSArray *)cellImage{
if (!_cellImage) {
_cellImage = @[@"http://tp-y.zdmimg.com/201706/26/5950ada8d12b16874.jpg_d200.jpg",
@"https://qnam.smzdm.com/201706/18/59469fc7f37c9259.jpg_c640.jpg",
@"http://tp-y.zdmimg.com/201706/26/5950a852103e32944.jpg_d200.jpg",
@"https://qnam.smzdm.com/201706/20/5948c87358e411666.jpg_b320.jpg",
@"http://tp-y.zdmimg.com/201612/21/58177ab5aece8.jpeg_d200.jpg",
@"https://qnam.smzdm.com/201706/17/5944a85195c473232.jpg_c640.jpg",
@"http://tp-y.zdmimg.com/201706/26/59507e5cccf589711.jpg_d200.jpg",
@"https://qnam.smzdm.com/201706/11/593d3e34642a54310.jpg_c640.jpg",
@"http://tp-y.zdmimg.com/201706/26/5718a1b52dc03.jpeg_d200.jpg",
@"https://qnam.smzdm.com/201706/20/59493a5c728ae7142.jpg_c640.jpg"];
}
return _cellImage;
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 8;
}
-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{
if (section == 0) {
return 180;
}
else if (section == 1) {
return 150;
}
else if (section == 2) {
return 40;
}
else if (section == 3) {
return 118;
}
else if (section == 4) {
return 28;
}
else if (section == 5) {
return SCREEN_WIDTH*0.75;
}
else if (section == 6) {
return 28;
}
return 0;
}
-(UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section{
if (section == 0) {
return self.bannerAd;
}
if (section == 1) {
return self.menuVC.view;
}
if (section == 2) {
UIView *v = [[UIView alloc]initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 40)];
v.backgroundColor = [UIColor whiteColor];
UIImageView *img = [[UIImageView alloc]initWithFrame:CGRectMake(10, 10, 52, 20)];
[img setImage:[UIImage imageNamed:@"homePage_headline"]];
[v addSubview:img];
[v addSubview:self.textAd];
return v;
}
if (section == 3) {
NSURL *url = [NSURL URLWithString:@"http://eimg.smzdm.com/201706/26/59506edd8f08e3564.png"];
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
[button setFrame:CGRectMake(0, 0, SCREEN_WIDTH, 118)];
[button sd_setImageWithURL:url forState:UIControlStateNormal placeholderImage:[UIImage imageNamed:@"default"]];
return button;
}
if (section == 4) {
UIView *titleView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 28)];
titleView.backgroundColor = [UIColor clearColor];
UIView *tagView = [[UIView alloc]initWithFrame:CGRectMake(10, 9, 4, 9)];
tagView.backgroundColor = [UIColor redColor];
[titleView addSubview:tagView];
UILabel *tagLab = [[UILabel alloc]initWithFrame:CGRectMake(24, 9, SCREEN_WIDTH-24, 9)];
[tagLab setText:@"精选"];
[titleView addSubview:tagLab];
return titleView;
}
if (section == 5) {
return self.gridVC.view;
}
return nil;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
if (section == 7) {
return 10;
}
return 0;
}
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
if (indexPath.row%2==0) {
return 171;
} else {
return 225;
}
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *cellIdentifier1 = @"HaoJiaTableViewCell";
static NSString *cellIdentifier2 = @"HaoWuTableViewCell";
if (indexPath.row%2==0) {
HaoJiaTableViewCell *cell = (HaoJiaTableViewCell *)[tableView dequeueReusableCellWithIdentifier:cellIdentifier1];
if (!cell) {
cell = [[[NSBundle mainBundle] loadNibNamed:@"HaoJiaTableViewCell" owner:self options:nil] lastObject];
}
[cell.imageV sd_setImageWithURL:[NSURL URLWithString:[self.cellImage objectAtIndex:indexPath.row]] placeholderImage:[UIImage imageNamed:@"default"]];
return cell;
} else {
HaoWuTableViewCell *cell = (HaoWuTableViewCell *)[tableView dequeueReusableCellWithIdentifier:cellIdentifier2];
if (!cell) {
cell = [[[NSBundle mainBundle] loadNibNamed:@"HaoWuTableViewCell" owner:self options:nil] lastObject];
}
[cell.imageV sd_setImageWithURL:[NSURL URLWithString:[self.cellImage objectAtIndex:indexPath.row]] placeholderImage:[UIImage imageNamed:@"default"]];
return cell;
}
}
@end
实现效果
实现效果
DEMO下载地址
https://github.com/daleiwang/ShangChengShouYe
有时首页下方的产品，可能是瀑布流 或者 双列 的下拉列表。
把UITableView换成UICollectionView即可。
UICollectionView中的UICollectionReusableView替换UITableview中的HeaderView。
