feat(ai): 切换默认模型并新增流式对话接口- 将默认模型从 deepseek-chat 切换为 deepseek-reasoner

- 新增 /ai/generateStream 接口支持流式对话输出
- 新增 /v1/ai/generateStream 接口支持 reasoning 内容流式输出
- 引入 commons-lang3 依赖用于字符串处理- 添加 Flux 支持实现异步流式响应
- 完善 DeepSeekAssistantMessage 处理逻辑，区分推理内容与最终回答

pom.xml

@@ -6,28 +6,16 @@
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
         <version>3.5.6</version>
-        <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>com.hanserwei</groupId>
     <artifactId>ai-robot</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <name>han-ai-robot-springboot</name>
     <description>han-ai-robot-springboot</description>
-    <url/>
-    <licenses>
-        <license/>
-    </licenses>
-    <developers>
-        <developer/>
-    </developers>
-    <scm>
-        <connection/>
-        <developerConnection/>
-        <tag/>
-        <url/>
-    </scm>
     <properties>
         <java.version>21</java.version>
+        <spring-ai.version>1.0.3</spring-ai.version>
+        <commons-lang3.version>3.19.0</commons-lang3.version>
     </properties>
     <dependencies>
         <dependency>
@@ -35,12 +23,41 @@
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>com.github.ulisesbocchio</groupId>
+            <artifactId>jasypt-spring-boot-starter</artifactId>
+            <version>3.0.5</version>
+        </dependency>
+
+        <!-- Deepseek 模型 -->
+        <dependency>
+            <groupId>org.springframework.ai</groupId>
+            <artifactId>spring-ai-starter-model-deepseek</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
     </dependencies>
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.ai</groupId>
+                <artifactId>spring-ai-bom</artifactId>
+                <version>${spring-ai.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
 
     <build>
         <plugins>

src/main/java/com/hanserwei/airobot/controller/DeepSeekChatController.java

@@ -0,0 +1,46 @@
+package com.hanserwei.airobot.controller;
+
+import jakarta.annotation.Resource;
+import org.springframework.ai.chat.messages.UserMessage;
+import org.springframework.ai.chat.prompt.Prompt;
+import org.springframework.ai.deepseek.DeepSeekChatModel;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import reactor.core.publisher.Flux;
+
+@RestController
+@RequestMapping("/ai")
+public class DeepSeekChatController {
+
+    @Resource
+    private DeepSeekChatModel chatModel;
+
+    /**
+     * 普通对话
+     * @param message 对话输入内容
+     * @return 对话结果
+     */
+    @GetMapping("/generate")
+    public String generate(@RequestParam(value = "message", defaultValue = "你是谁？") String message) {
+        // 一次性返回结果
+        return chatModel.call(message);
+    }
+
+    /**
+     * 流式对话
+     * @param message 对话输入内容
+     * @return 对话结果
+     */
+    @GetMapping(value = "/generateStream", produces = "text/html;charset=utf-8")
+    public Flux<String> generateStream(@RequestParam(value = "message", defaultValue = "你是谁？") String message) {
+        // 构建提示词
+        Prompt prompt = new Prompt(new UserMessage(message));
+
+        // 流式输出
+        return chatModel.stream(prompt)
+                .mapNotNull(chatResponse -> chatResponse.getResult().getOutput().getText());
+    }
+
+}

src/main/java/com/hanserwei/airobot/controller/DeepSeekR1ChatController.java

@@ -0,0 +1,49 @@
+package com.hanserwei.airobot.controller;
+
+import jakarta.annotation.Resource;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.ai.chat.messages.UserMessage;
+import org.springframework.ai.chat.prompt.Prompt;
+import org.springframework.ai.deepseek.DeepSeekAssistantMessage;
+import org.springframework.ai.deepseek.DeepSeekChatModel;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import reactor.core.publisher.Flux;
+
+@RestController
+@RequestMapping("/v1/ai")
+public class DeepSeekR1ChatController {
+
+    @Resource
+    private DeepSeekChatModel chatModel;
+
+    /**
+     * 流式对话
+     * @param message 对话输入内容
+     * @return 对话结果
+     */
+    @GetMapping(value = "/generateStream", produces = "text/html;charset=utf-8")
+    public Flux<String> generateStream(@RequestParam(value = "message", defaultValue = "你是谁？") String message) {
+        // 构建提示词
+        Prompt prompt = new Prompt(new UserMessage(message));
+
+        // 流式输出
+        return chatModel.stream(prompt)
+                .mapNotNull(chatResponse -> {
+                    // 获取响应内容
+                    DeepSeekAssistantMessage deepSeekAssistantMessage = (DeepSeekAssistantMessage) chatResponse.getResult().getOutput();
+                    // 推理内容
+                    String reasoningContent = deepSeekAssistantMessage.getReasoningContent();
+                    // 推理结束后的正式回答
+                    String text = deepSeekAssistantMessage.getText();
+
+                    // 若推理内容有值，则响应推理内容，否则，说明推理结束了，响应正式回答
+                    return StringUtils.isNotBlank(reasoningContent) ? reasoningContent : text;
+                });
+
+
+
+    }
+}

src/main/java/com/hanserwei/airobot/utils/EncryptorUtil.java

@@ -0,0 +1,11 @@
+package com.hanserwei.airobot.utils;
+
+import org.jasypt.util.text.AES256TextEncryptor;
+
+public class EncryptorUtil {
+    public static void main(String[] args) {
+        AES256TextEncryptor textEncryptor = new AES256TextEncryptor();
+        textEncryptor.setPassword("password");
+        System.out.println(textEncryptor.encrypt("sk-xxxxxxxxxxxxxx"));
+    }
+}

src/main/resources/application.yml

@@ -1,3 +1,17 @@
+#file: noinspection SpringBootConfigYamlInspection
 spring:
   application:
-    name: han-ai-robot-springboot
+    name: han-ai-robot-springboot
+  ai:
+    deepseek:
+      api-key: ENC(MROXdiEHmWk08koE63bTzFqW52MaXLpMkM9Cyl40Ubj+Lw1yKeZuHLEcs6jTFY8ditY4gJ1365LMAY8Z9G1uwfYFYaYdb3NyijplX7GuDZA=) # 填写 DeepSeek Api Key, 改成你自己的
+      base-url: https://api.deepseek.com # DeepSeek 的请求 URL, 可不填，默认值为 api.deepseek.com
+      chat:
+        options:
+          model: deepseek-reasoner # 使用哪个模型
+          temperature: 0.8 # 温度值
+jasypt:
+  encryptor:
+    password: ${jasypt.encryptor.password}
+    algorithm: PBEWithHMACSHA512AndAES_256
+    iv-generator-classname: org.jasypt.iv.RandomIvGenerator