海报二维码逻辑修改

VirtualPayment/VirtualPayment/QGClasses/Cashback/Function/QGBusinessShare/Controller/QGSharePosterViewController.m

@@ -246,7 +246,6 @@
             }
             self.pageControl.numberOfPages = self.posetrs.count;
             self.pageControl.currentPage = 0;
-            [self.collectionView reloadData];
             /// 下载二维码
             [self downLoadQrImage];
 
@@ -296,16 +295,14 @@
     QGAppCoreModelClickEvent *event = [QGAppCoreModelClickEvent acmcEventWithPage:@"分享好友" path:@"分享操作" name:@"分享海报" detail_name:nil];
     [QGAnalyticsService analyticsTrackWithEvent:event];
     
-    if (self.currentPageIndex >= self.posetrs.count) {
-        return;
-    }
+    if (self.currentPageIndex >= self.posetrs.count) return;
     
     QGSharePosterModel *poster = self.posetrs[self.currentPageIndex];
     SDImageCache *cache = [SDImageCache sharedImageCache];
     
     UIImage *image = [cache imageFromCacheForKey:poster.img];
 
-    if (!image) {
+    if (!image || !self.qrImage) {
         [QGHUDManager showHud:@"图片正在加载..."];
         return;
     }
@@ -385,16 +382,14 @@
     QGAppCoreModelClickEvent *event = [QGAppCoreModelClickEvent acmcEventWithPage:@"分享好友" path:@"分享操作" name:@"保存图片" detail_name:nil];
     [QGAnalyticsService analyticsTrackWithEvent:event];
     
-    if (self.currentPageIndex >= self.posetrs.count) {
-           return;
-    }
+    if (self.currentPageIndex >= self.posetrs.count) return;
     
     QGSharePosterModel *poster = self.posetrs[self.currentPageIndex];
     
     SDImageCache *cache = [SDImageCache sharedImageCache];
     UIImage *image = [cache imageFromCacheForKey:poster.img];
 
-     if (!image) {
+    if (!image || !self.qrImage) {
            [QGHUDManager showHud:@"图片正在加载..."];
            return;
     }
@@ -458,6 +453,9 @@
 #pragma mark - 下载合成图片
 
 
+
+/// 下载二维码,如果二维码下载下来,则展示
+/// 二维码下载失败,整个页面不展示
 - (void)downLoadQrImage
 {
     if (self.posetrs.count == 0) return;
@@ -465,13 +463,10 @@
     SDWebImageManager *manager = [SDWebImageManager sharedManager];
     QGSharePosterModel *firstPoster = [self.posetrs firstObject];
     /// 下载最新二维码,二维码下载不下来,直接使用默认的二维码
-           
     [manager loadImageWithURL:[NSURL URLWithString:firstPoster.qrImgUrl] options:SDWebImageLowPriority progress:NULL completed:^(UIImage * _Nullable image, NSData * _Nullable data, NSError * _Nullable error, SDImageCacheType cacheType, BOOL finished, NSURL * _Nullable imageURL) {
            if (error == nil) {
                self.qrImage = image;
-           }else{
-               /// 使用默认的3倍图
-               self.qrImage = [UIImage imageNamed:@"default_qr"];
+               [self.collectionView reloadData];
            }
     }];