Cell中实现多图展示

实现的效果如下:

主要实现代码如下:

 //
 //  DetailCell.m
 //  Floral
 //
 //  Created by 思 彭 on 16/9/21.
 //  Copyright © 2016年 思 彭. All rights reserved.
 //

 #import "DetailCell.h"
 #import "UIImageView+WebCache.h"
 #import "UIView+AdjustFrame.h"
 #import "ImageCollectionView.h"
 #import "ImageCell.h"

 #define K_SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)
 #define K_SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)

 @interface DetailCell ()<UICollectionViewDelegate,UICollectionViewDataSource,UICollectionViewDelegateFlowLayout>
 {
     NSArray *imagesArray;  // 详情多张图片展示
     CGFloat imagesHeight;
 }
 /**
  *  头像
  */
 @property (weak, nonatomic) IBOutlet UIImageView *avaterImgView;
 /**
  *  用户名
  */
 @property (weak, nonatomic) IBOutlet UILabel *userNameLabel;
 /**
  *  描述
  */
 @property (weak, nonatomic) IBOutlet UILabel *contentLabel;
 /**
  *  时间
  */
 @property (weak, nonatomic) IBOutlet UILabel *timeLabel;
 /**
  *  更多
  */
 @property (weak, nonatomic) IBOutlet UIButton *moreButton;
 /**
  *  "更多"按钮被点击
  *
  *  @param sender <#sender description#>
  */
 - (IBAction)moreBUttonClick:(id)sender;
 /**
  *  collectionView
  */
 @property (weak, nonatomic) IBOutlet UIView *imagesView;
 /**
  *  赞
  */
 @property (weak, nonatomic) IBOutlet UIButton *loveButton;
 /**
  *  评论
  */
 @property (weak, nonatomic) IBOutlet UIButton *commentButton;
 /**
  *  分享
  */
 @property (weak, nonatomic) IBOutlet UIButton *shareButton;
 @property (weak, nonatomic) IBOutlet UILabel *morningLabel;
 @property (weak, nonatomic) IBOutlet NSLayoutConstraint *morningLabelTop;
 @property (weak, nonatomic) IBOutlet NSLayoutConstraint *bottomButtonY;

 @property (nonatomic,strong) ImageCollectionView *collectionView;

 @end

 @implementation DetailCell

 - (void)awakeFromNib {

     [super awakeFromNib];
     // Xcode 8必须自己设置,不然不显示
     self.avaterImgView.layer.cornerRadius = ;
     self.avaterImgView.layer.masksToBounds = YES;
     self.userNameLabel.font = [UIFont systemFontOfSize:];
     self.timeLabel.font = [UIFont systemFontOfSize:];
     self.contentLabel.font = [UIFont systemFontOfSize:];
     self.morningLabel.font = [UIFont systemFontOfSize:];
     self.contentLabel.textColor = [UIColor grayColor];
     self.timeLabel.textColor = [UIColor grayColor];
     self.morningLabel.textColor = [UIColor grayColor];
     // 创建collectionView

     UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc]init];
     layout.itemSize = CGSizeMake((K_SCREEN_WIDTH - ) / , (K_SCREEN_WIDTH - ) / );
     layout.sectionInset = UIEdgeInsetsMake(,,,);
     layout.minimumLineSpacing = ;
     layout.minimumInteritemSpacing = ;
     self.collectionView = [[ImageCollectionView alloc]initWithFrame:CGRectZero collectionViewLayout:layout];
     self.collectionView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
     self.collectionView.dataSource = self;
     self.collectionView.delegate = self;
     self.collectionView.backgroundColor = [UIColor clearColor];
     [self.imagesView addSubview:self.collectionView];

     // 注册cell
     [self.collectionView registerNib:[UINib nibWithNibName:NSStringFromClass([ImageCell class]) bundle:nil] forCellWithReuseIdentifier:@"cell"];
 }

 - (void)setModel:(TieZiListModel *)model{

     _model = model;
     [self.avaterImgView sd_setImageWithURL:[NSURL URLWithString:self.model.customer.headImg] placeholderImage:[UIImage imageNamed:@"p_avatar"]];
     self.userNameLabel.text = self.model.customer.userName;
     if ([self.model.customer.content isEqualToString:@""]) {

         self.contentLabel.text = @"这家伙很懒,什么也没留下";
     }
     else{
         self.contentLabel.text = self.model.content;
     }
     self.morningLabel.text = self.model.content;
     [self.loveButton setTitle:[NSString stringWithFormat:@"%ld",self.model.read] forState:UIControlStateNormal];
     [self.commentButton setTitle:[NSString stringWithFormat:@"%ld",self.model.comment] forState:UIControlStateNormal];
     [self.shareButton setTitle:[NSString stringWithFormat:@"%ld",self.model.share] forState:UIControlStateNormal];
     // 判空处理
     if (self.model.createDate.length) {

         NSString *timeString = [self.model.createDate componentsSeparatedByString:@"."][];
         self.timeLabel.text = timeString;
     }
     [self.collectionView reloadData];
     self.collectionView.frame = CGRectMake(, self.imagesView.y - , self.imagesView.width, [self getCollectionViewHeight]);
     self.model.cellHeight =  +  + [self getCollectionViewHeight];
 }

 /* 更多按钮被点击

  @param sender 点击的按钮
  */
 - (IBAction)moreBUttonClick:(id)sender {

     if ([self.delegate respondsToSelector:@selector(DidClickMoreButton:)]) {
         [self.delegate DidClickMoreButton:self];
     }
 }
 - (IBAction)zanButtonClick:(id)sender {

     [sender setImage:[UIImage imageNamed:@"p_zan-selected"] forState:UIControlStateSelected];
 }
 - (IBAction)commentClick:(id)sender {
     if ([self.delegate respondsToSelector:@selector(DidClickCommentButton:)]) {
         [self.delegate DidClickCommentButton:self];
     }
 }
 - (IBAction)shareButtonClick:(id)sender {

     if ([self.delegate respondsToSelector:@selector(DidClickShareButton:)]) {
         [self.delegate DidClickShareButton:self];
     }
 }
 - (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{

     NSString *attachment = self.model.attachment;
     NSArray *imgArray = [attachment componentsSeparatedByString:@","];
     return imgArray.count;
 }

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

     ImageCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"cell" forIndexPath:indexPath];
     NSString *attachment = self.model.attachment;
     cell.backgroundColor = [UIColor greenColor];
     NSArray *imgArray = [attachment componentsSeparatedByString:@","];
     cell.imageName = imgArray[indexPath.row];
     return cell;
 }

 - (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section{

     return UIEdgeInsetsMake(,,,);
 }

 - (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath{

     return CGSizeMake((K_SCREEN_WIDTH - ) / , (K_SCREEN_WIDTH - ) / );
 }

 - (CGFloat)getCollectionViewHeight{

     CGFloat collectionViewHeight = 0.0;
     CGFloat height = 0.0;
     NSString *attachment = self.model.attachment;
     NSArray *imgArray = [attachment componentsSeparatedByString:@","];
     if (imgArray.count %  != ) {

         height = imgArray.count /  + ;
     }
     else{
         height = imgArray.count / ;
     }
     collectionViewHeight = height * ((K_SCREEN_WIDTH - ) / ) + ((height + )* );
     return collectionViewHeight;
 }
 @end

写的挺详细哟!!!有问题的可以找我要Demo哟!!

也可以加我的QQ: 1299625033....我们可以一起交流问题,一起学习!!!