图片自适应高度

redstar/Classes/Macro/Url.h

@@ -10,10 +10,10 @@
 #define Url_h
 
 // url 测试环境
- #define kRedStarURL  @"http://218.244.151.129:7580/"
+// #define kRedStarURL  @"http://218.244.151.129:7580/"
 
 // 正式环境
-// #define kRedStarURL  @"http://219.235.234.225:7580/"
+ #define kRedStarURL  @"http://219.235.234.225:7580/"
 
 // 最新正式环境
 // #define kRedStarURL  @"http://219.235.234.212:7580/"

redstar/Classes/Module/Function/Picture/PictureDetail/Cell/PictureTextTableCell.h

@@ -14,5 +14,5 @@
 //@property (nonatomic, strong) UIButton *bigImageView;
 
 @property (nonatomic, strong) UILabel *descriptionLabel;
-
+@property (nonatomic, strong) NSLayoutConstraint *bigHeight;
 @end

redstar/Classes/Module/Function/Picture/PictureDetail/Cell/PictureTextTableCell.m

@@ -8,7 +8,21 @@
 
 #import "PictureTextTableCell.h"
 
+@interface PictureTextTableCell ()
+@property (nonatomic, assign) CGFloat bigH;
+@end
+
 @implementation PictureTextTableCell
+
+- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
+{
+    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
+    if (self) {
+        _bigH = 170;
+    }
+    return self;
+}
+
 - (UIImageView *)bigImageView
 {
     if (!_bigImageView) {
@@ -38,8 +52,12 @@
         [self.contentView addConstraint:titleRight];
         
         // 高度
-        NSLayoutConstraint *titleHeight = [NSLayoutConstraint constraintWithItem:_bigImageView attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0 constant:170];
-        [self.contentView addConstraint:titleHeight];
+//        NSLayoutConstraint *titleHeight = [NSLayoutConstraint constraintWithItem:_bigImageView attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0 constant:170];
+//        [self.contentView addConstraint:titleHeight];
+        
+        self.bigHeight = [NSLayoutConstraint constraintWithItem:_bigImageView attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0 constant:_bigH];
+        [self.contentView addConstraint:_bigHeight];
+
     }
     return _bigImageView;
 }

redstar/Classes/Module/Function/Picture/PictureDetail/Model/PicTextModel.h

@@ -17,4 +17,9 @@
 @property (nonatomic, copy) NSString *lastModified;
 @property (nonatomic, copy) NSString *uuid;
 
+
+@property (nonatomic, copy) NSString *imageName;
+@property (nonatomic, copy) NSString *describeStr;
+
+@property (nonatomic, assign) BOOL isHavePic;
 @end

redstar/Classes/Module/Function/Picture/PictureDetail/ViewController/PictureStoryViewController.m

@@ -25,7 +25,7 @@
 
 #import <UIImageView+WebCache.h>
 #import <UIButton+WebCache.h>
-
+#import <SDWebImageDownloader.h>
 
 #define kPictureDetailTableCell @"PictureDetailTableViewCell"
 #define kPictureTextTableCell @"PictureTextTableViewCell"
@@ -46,6 +46,7 @@
 
 @property (nonatomic, strong) NSMutableArray *imageNameArray;
 
+
 @end
 
 @implementation PictureStoryViewController
@@ -70,6 +71,11 @@
     [self setupNav];
     
     _clickNumber = 0;
+    
+    self.allCommentArray = [NSMutableArray array];
+    self.tableView.delegate = self;
+    self.tableView.dataSource = self;
+    
     [self requestPicturePraiseDetail];
 }
 
@@ -78,7 +84,6 @@
 
 - (void)requestPicturePraiseDetail
 {
-    self.allCommentArray = [NSMutableArray array];
 
     NSString *user_uuid = [[NSUserDefaults standardUserDefaults] objectForKey:@"user_uuid"];
 
@@ -102,20 +107,53 @@
         }
         
         for (NSDictionary *picTextDict in picDetail.attachments) {
+            
             PicTextModel *picText = [[PicTextModel alloc] init];
             [picText setValuesForKeysWithDictionary:picTextDict];
             [_picTextArray addObject:picText];
+            
+            
+            NSString *imageUrl = [NSString stringWithFormat:@"%@%@", kRedStarURL, picTextDict[@"fileUrl"]];
+            [[SDWebImageDownloader sharedDownloader] downloadImageWithURL:[NSURL URLWithString:imageUrl] options:SDWebImageDownloaderUseNSURLCache progress:nil completed:^(UIImage *image, NSData *data, NSError *error, BOOL finished) {
+                
+                picText.isHavePic = finished;
+                NSString *imageName = nil;
+                if (image == nil) {
+                    imageName = @"";
+                } else {
+                    imageName = [CommonFunc md5Data:data];
+                    NSString *fullPath = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES) objectAtIndex:0] stringByAppendingPathComponent:[NSString stringWithFormat:@"%@", imageName]];
+                    [_imageNameArray addObject:imageName];
+                    [data writeToFile:fullPath atomically:NO];
+                }
+
+                
+                NSString *describe = nil;
+                if ([picTextDict[@"description"] isEqual:[NSNull null]]) {
+                    describe = @"";
+                } else {
+                    describe = [NSString stringWithFormat:@"%@",picTextDict[@"description"]];
+                }
+                
+                picText.describeStr = describe;
+                picText.imageName = imageName;
+               
+                dispatch_async(dispatch_get_main_queue(), ^{
+                    [self.tableView reloadData];
+                });
+                
+
+            }];
+            
         }
+//
         
-        self.tableView.delegate = self;
-        self.tableView.dataSource = self;
-        
-            [MBProgressHUD hideHUDForView:self.view animated:YES];
+        [MBProgressHUD hideHUDForView:self.view animated:YES];
 
     }];
-
 }
 
+
 - (void)setupNav
 {
     UILabel *customLab = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 40, 30)];
@@ -137,9 +175,27 @@
 
 -(void)doBack:(id)sender
 {
+    [self clear];
     [self.navigationController popViewControllerAnimated:YES];
 }
 
+- (void)clear
+{
+    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+        
+        NSString *fullPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES) objectAtIndex:0];
+
+        for (NSString *p in _imageNameArray) {
+            NSError *error;
+            NSString *path = [fullPath stringByAppendingPathComponent:p];
+            if ([[NSFileManager defaultManager] fileExistsAtPath:path]) {
+                [[NSFileManager defaultManager] removeItemAtPath:path error:&error];
+            }
+        }
+    });
+}
+
+
 - (void)addZan:(ZanButton *)sender
 {
     _clickNumber++;
@@ -297,7 +353,6 @@
 // cell显示的内容
 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
 {
-    
     if (indexPath.section == 0) {
         PictureDetailTableCell *cell=[tableView dequeueReusableCellWithIdentifier:kPictureDetailTableCell];
         if (!cell) {
@@ -347,30 +402,29 @@
             if (!cell) {
                 cell = [[PictureTextTableCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:kPictureTextTableCell];
             }
+            NSString *imageName = picText.imageName;
+            NSString *fullPath = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES) objectAtIndex:0] stringByAppendingPathComponent:[NSString stringWithFormat:@"%@", imageName]];
+
+            UIImage *image = [UIImage imageWithContentsOfFile:fullPath];
             
-            
-            
-            NSURL *imageUrl = [NSURL URLWithString:[NSString stringWithFormat:@"%@%@", kRedStarURL ,picText.fileUrl]];
-            
-            UIImage *defaultImage = [UIImage imageNamed:@"default_pic"];
-        
-            [cell.bigImageView sd_setImageWithURL:imageUrl placeholderImage:defaultImage];
-           
-            UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapClick:)];
-            [cell.bigImageView addGestureRecognizer:tap];
-            
-            NSString *str = [NSString stringWithFormat:@"%@", picText.descriptionText];
-            if (picText.descriptionText == nil || picText.descriptionText == NULL || [picText.descriptionText isEqual:[NSNull null]])  {
-                cell.descriptionLabel.text = @"";
+            if (image) {
+                if (picText.isHavePic) {
+                    CGFloat bigImageH = (kScreenWidth - 40) / image.size.width * image.size.height;
+                    cell.bigHeight.constant = bigImageH;
+                    [cell.bigImageView layoutIfNeeded];
+                }
+                cell.bigImageView.image = image;
             } else {
-                cell.descriptionLabel.text = str;
+                cell.bigImageView.image = [UIImage imageNamed:@"default_pic"];
             }
             
-            cell.selectionStyle = UITableViewCellSelectionStyleNone;
+            UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapClick:)];
+            [cell.bigImageView addGestureRecognizer:tap];
+
             
+            cell.descriptionLabel.text = picText.describeStr;
             return cell;
         }
-        
     } else {
         // 评论
         PictureCommentTableCell *cell=[tableView dequeueReusableCellWithIdentifier:kPictureCommentTableCell];