优化我的底部图片在网络异常下重新加载

DreamSleep/DreamSleep/Class/ProfileModule/Me/ProfileTableView.m

@@ -126,6 +126,8 @@
 @property (nonatomic, strong) NSArray *profileGroupArr;
 @property (nonatomic, strong) ProfileHeaderView *profileHeaderView;
 @property (nonatomic, strong) UIView *footerView;
+@property (nonatomic, strong) UIImageView *introduceIV;
+@property (nonatomic, strong) NSURL *introduceUrl;
 @end
 
 @implementation ProfileTableView
@@ -142,6 +144,15 @@
         self.tableFooterView = self.footerView;
         self.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
         [self registerClass:[ProfileCell class] forCellReuseIdentifier:NSStringFromClass([ProfileCell class])];
+        
+        WS(weakSelf);
+        self.introduceUrl = [NSURL URLWithString:@"https://img2.ydniu.com/sleep_ssmain/cbti_cover.png"];
+        self.mj_header = [DSGifHeader headerWithRefreshingBlock:^{
+            [weakSelf.introduceIV yy_setImageWithURL:self.introduceUrl placeholder:[UIImage imageNamed:@"bannerPlaceholder"] options:YYWebImageOptionShowNetworkActivity completion:^(UIImage * _Nullable image, NSURL * _Nonnull url, YYWebImageFromType from, YYWebImageStage stage, NSError * _Nullable error) {
+                [weakSelf.mj_header endRefreshing];
+                if (error) { [DSProgressHUD showToast:@"网络异常，请稍候重试"]; }
+            }];
+        }];
     }
     return self;
 }
@@ -251,10 +262,11 @@
         UIImageView *introduceIV = [[UIImageView alloc] initWithFrame:CGRectMake(15, 15, width, height)];
         [introduceIV cornerRadius:12.0];
         introduceIV.userInteractionEnabled = YES;
-        [introduceIV yy_setImageWithURL:[NSURL URLWithString:@"https://img2.ydniu.com/sleep_ssmain/cbti_cover.png"] placeholder:[UIImage imageNamed:@"bannerPlaceholder"]];
+        [introduceIV yy_setImageWithURL:self.introduceUrl placeholder:[UIImage imageNamed:@"bannerPlaceholder"]];
         [_footerView addSubview:introduceIV];
         UITapGestureRecognizer *tapGR = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapCBTIAction)];
         [introduceIV addGestureRecognizer:tapGR];
+        self.introduceIV = introduceIV;
     }
     return _footerView;
 }