新ui调整

ln_jq_app/lib/common/login_util.dart

@@ -1,4 +1,5 @@
 import 'package:encrypt/encrypt.dart';
+import 'package:flutter/material.dart' as ui;
 
 class LoginUtil {
   static final _keyString = '915eae87951a448c86c47796e44c1fcf';
@@ -26,5 +27,9 @@ class LoginUtil {
     final decrypted = _encrypter.decrypt(encrypted);
     return decrypted;
   }
+
+  static ui.Image getAssImg(String imgName){
+    return ui.Image(image: ui.AssetImage('assets/images/$imgName.png'));
+  }
 }