.

src/com/zdemo/EventType.java

@@ -9,6 +9,9 @@ public class EventType<T> {
     public final TypeToken<T> typeToken;
     private final Consumer<T> consumer;
 
+    private final static TypeToken<String> stringToken = new TypeToken<>() {
+    };
+
     private EventType(String topic, TypeToken<T> typeToken, Consumer<T> consumer) {
         this.topic = topic;
         this.typeToken = typeToken;
@@ -19,6 +22,10 @@ public class EventType<T> {
         return new EventType<>(topic, typeToken, consumer);
     }
 
+    public static EventType of(String topic, Consumer<String> consumer) {
+        return new EventType(topic, stringToken, consumer);
+    }
+
     public void accept(T t) {
         consumer.accept(t);
     }

test/com/zdemo/test/MyConsumer.java

@@ -15,7 +15,11 @@ public class MyConsumer extends KafakConsumer {
         addEventType(
                 EventType.of("a1", new TypeToken<Float>() {
                 }, r -> {
-                    System.out.println("我收到了消息 主题A 事件：" + JsonConvert.root().convertTo(r));
+                    System.out.println("我收到了消息 主题a1 事件：" + JsonConvert.root().convertTo(r));
+                }),
+
+                EventType.of("bx", str -> {
+                    System.out.println("我收到了消息 主题bx 事件：" + str);
                 })
         );
     }