20250329 function call(还需要调整，目前qwen貌似不支持，要试试ollama的方式)

src/main/java/com/ai/config/AssistantInit.java

@@ -1,5 +1,6 @@
 package com.ai.config;
 
+import com.ai.function.MyCalculator;
 import com.ai.service.Assist;
 import dev.langchain4j.community.model.dashscope.QwenChatModel;
 import dev.langchain4j.data.document.Document;
@@ -36,6 +37,8 @@ public class AssistantInit {
         return AiServices.builder(Assist.class)
                 .chatMemoryProvider(memoryId -> MessageWindowChatMemory.withMaxMessages(10))
                 .chatLanguageModel(qwenModel)
-                .contentRetriever(EmbeddingStoreContentRetriever.from(embeddingStore)).build();
+                .contentRetriever(EmbeddingStoreContentRetriever.from(embeddingStore))
+                .tools(new MyCalculator())
+                .build();
     }
 }

src/main/java/com/ai/controller/LangChainController.java

@@ -55,10 +55,16 @@ public class LangChainController {
     }
 
     @GetMapping("/zhipu/img")
-    public String memoryChat( @RequestParam("input") String input) {
+    public String generateImg( @RequestParam("input") String input) {
-        System.out.println("start highlevel memory chat...");
+        System.out.println("start generate img...");
         Response<Image> generate = zhipuAiImageModel.generate(input);
         URI url = generate.content().url();
         return "Your remote image is here: " + url;
     }
+
+    @GetMapping("/high/call")
+    public String functionCall(@RequestParam("input") String input) {
+        System.out.println("start highlevel memory chat...");
+        return assist.chat(input);
+    }
 }

src/main/java/com/ai/function/MyCalculator.java

@@ -0,0 +1,11 @@
+package com.ai.function;
+
+import dev.langchain4j.agent.tool.Tool;
+
+public class MyCalculator {
+
+    @Tool("路飞算法")
+    public int luffy(int a, int b){
+        return (a + b) / (a - b);
+    }
+}

src/main/java/com/ai/http/chat.http

@@ -13,3 +13,6 @@ GET http://localhost:8080/langchain/high/memory-chat?memoryId=1&input=详细介
 
 ### 测试 LangChainController 的 highlevel chat 接口
 GET http://localhost:8080/langchain/zhipu/img?input=请画一张魔兽世界里的兽人高举锤子的图
+
+### 测试 LangChainController 的 highlevel chat 接口
+GET http://localhost:8080/langchain/high/call?input=我的两个数分别是9和3,请用路飞算法计算结果