web服务加入静态资源支持

lib/base/webserver/WebServer.dart

@@ -13,7 +13,8 @@ abstract class WebServer {
 
   void start(int port,
       {Response? Function(Request, Map<String, dynamic>)? interceptor,
-      Future<TokenResult> Function(String?)? tokenCheck});
+      Future<TokenResult> Function(String?)? tokenCheck,
+      StaticInfo? static});
   void stop();
   void addHandler(handler);
 }
@@ -76,3 +77,9 @@ class TokenResult {
   Map<String, dynamic>? payload;
   TokenResult({required this.status, this.errMsg, this.payload});
 }
+
+class StaticInfo {
+  String path;
+  String root;
+  StaticInfo({this.path = "web", this.root = "index.html"});
+}