lib/widget/image_widget.dart

@@ -79,6 +79,18 @@ class ImageWidget {
     precacheImage(CachedNetworkImageProvider(url), context);
   }
 
+  //返回 network imageprovider
+  static ImageProvider getNetImageProvider(
+    String url, {
+    String? domain,
+  }) {
+    var domainUrl = domain ?? ImageWidget.domain;
+    if (url.isNotEmpty && !url.startsWith("http")) {
+      url = domainUrl + url;
+    }
+    return CachedNetworkImageProvider(url);
+  }
+
   static OctoErrorBuilder placeholderBuilder({
     Widget? errorWidget,
   }) {