tableViewCell自适应网络图片行高

==========LJFImageDetailCollection.h=========

//

LJFImageDetailCollection.h

#import

@interfaceLJFImageDetailTableContr :UITableViewController

@property(nonatomic,strong)NSArray* imagesArray;

@end

========LJFImageDetailCollection.m========

#define PRODUCTDETAIL @"http://59.110.64.56/liangpin/upload/goods/album/large/detail_"

#import"LJFImageDetailTableContr.h"

#import"LJFTableViewCell.h"

@interfaceLJFImageDetailTableContr()

@property(nonatomic,strong)NSMutableDictionary*

dictImag ;

@property(nonatomic,strong)NSMutableDictionary*

dictH ;

@property(nonatomic,strong)NSMutableArray*

imagearry ;

@end

@implementationLJFImageDetailTableContr

staticNSString*constreuseIdentifier =@"Cell";

- (void)viewDidLoad {

[superviewDidLoad];

[self.tableViewregisterClass:[LJFTableViewCellclass]forCellReuseIdentifier:@"cell"];

self.tableView.showsVerticalScrollIndicator=NO;

self.tableView.showsHorizontalScrollIndicator=NO;

self.dictImag= [NSMutableDictionarydictionary];

self.dictH= [NSMutableDictionarydictionary];

self.imagearry= [NSMutableArrayarray];

}

- (void)didReceiveMemoryWarning {

[superdidReceiveMemoryWarning];

}

-(void)setImagesArray:(NSArray*)imagesArray{

_imagesArray= imagesArray;

__blocktypeof(self) weakSelf =self;

for(inti =0;i < imagesArray.count; i++ ){

NSURL* url = [NSURLURLWithString:[NSStringstringWithFormat:@"%@%@",PRODUCTDETAIL,self.imagesArray[i]]];

UIImageView* imageView = [[UIImageViewalloc]init];

[self.imagearryaddObject:imageView];

[imageViewsd_setImageWithURL:urlcompleted:^(UIImage*image,NSError*error,SDImageCacheTypecacheType,NSURL*imageURL) {

NSString* urlStr = [imageURLabsoluteString];

[weakSelf.dictImagsetObject:imageforKey:urlStr];

CGFloatheight = [UIScreenmainScreen].bounds.size.width/ (image.size.width/image.size.height);

NSString* heiStr = [NSStringstringWithFormat:@"%f",height];

[weakSelf.dictHsetObject:heiStrforKey:urlStr];

[weakSelf.tableViewreloadData];

}];

}

}

#pragma

mark

- (NSInteger)tableView:(UITableView*)tableView numberOfRowsInSection:(NSInteger)section{

returnself.imagesArray.count;

}

- (UITableViewCell*)tableView:(UITableView*)tableView cellForRowAtIndexPath:(NSIndexPath*)indexPath{

NSString* urlStr = [NSStringstringWithFormat:@"%@%@",PRODUCTDETAIL,self.imagesArray[indexPath.item]];

LJFTableViewCell*cell = [tableViewdequeueReusableCellWithIdentifier:@"cell"];

cell.imageView.image= [self.dictImagobjectForKey:urlStr];

cell.selectionStyle=UITableViewCellSelectionStyleNone;

returncell;

}

-(CGFloat)tableView:(UITableView*)tableView heightForRowAtIndexPath:(NSIndexPath*)indexPath{

NSString* urlStr = [NSStringstringWithFormat:@"%@%@",PRODUCTDETAIL,self.imagesArray[indexPath.item]];

NSString* heightStr = [self.dictHobjectForKey:urlStr];

CGFloatheight = [heightStrfloatValue];

if(height >10) {

returnheight;

}else{

return10;

}

}

@end

======LJFCollectionViewCell.h======

#import

#import"LJFTableImageView.h"

@interfaceLJFTableViewCell :UITableViewCell

@property(nonatomic,strong)LJFTableImageView*

imageV;

@end

========LJFCollectionViewCell.m ==========

//

LJFCollectionViewCell.m

#import"LJFTableViewCell.h"

@interfaceLJFTableViewCell()

@end

@implementationLJFTableViewCell

-(instancetype)initWithFrame:(CGRect)frame{

self= [superinitWithFrame:frame];

if(self) {

for(UIView* viewinself.subviews) {

[viewremoveFromSuperview];

}

[selfaddSubview:self.imageV];

}

returnself;

}

-(void)layoutSubviews{

[superlayoutSubviews];

self.imageView.width= [UIScreenmainScreen].bounds.size.width-40;

self.imageView.height=self.height-10;

}

-(LJFTableImageView*)imageV{

if(_imageV==nil) {

_imageV= [[LJFTableImageViewalloc]init];

}

return_imageV;

}

@end

========LJFTableImageView.m==========

#import"LJFTableImageView.h"

@interfaceLJFTableImageView()

@end

@implementationLJFTableImageView

-(void)layoutSubviews{

[superlayoutSubviews];

self.contentMode=UIViewContentModeScaleAspectFill;

self.clipsToBounds=YES;

}

@end