fix(backend): 将 Java 11 HttpClient 改为 RestTemplate 兼容 Java 8

cfc-backend/src/main/java/com/etotem/cfc/service/ReportParserDispatchService.java

@@ -9,15 +9,14 @@ import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.*;
 import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestTemplate;
 
 import javax.annotation.Resource;
 import java.io.File;
-import java.net.URI;
-import java.net.http.HttpClient;
-import java.net.http.HttpRequest;
-import java.net.http.HttpResponse;
 import java.nio.charset.StandardCharsets;
 import java.security.MessageDigest;
 import java.util.*;
@@ -40,11 +39,13 @@ public class ReportParserDispatchService {
     @Resource
     private ReportUnknownUploadMapper unknownUploadMapper;
 
+    @Autowired
+    private RestTemplate restTemplate;
+
     @Value("${cfc.langgraph.url:http://localhost:9000}")
     private String langgraphUrl;
 
     private final ObjectMapper objectMapper = new ObjectMapper();
-    private final HttpClient httpClient = HttpClient.newHttpClient();
 
     private static final int AUTO_LEARN_THRESHOLD = 3;
 
@@ -101,22 +102,16 @@ public class ReportParserDispatchService {
         body.put("family_id", null);
         body.put("user_id", null);
 
-        String json = objectMapper.writeValueAsString(body);
-
-        HttpRequest request = HttpRequest.newBuilder()
-                .uri(URI.create(url))
-                .header("Content-Type", "application/json")
-                .POST(HttpRequest.BodyPublishers.ofString(json, StandardCharsets.UTF_8))
-                .timeout(java.time.Duration.ofSeconds(120))
-                .build();
+        HttpHeaders headers = new HttpHeaders();
+        headers.setContentType(MediaType.APPLICATION_JSON);
+        HttpEntity<String> entity = new HttpEntity<>(objectMapper.writeValueAsString(body), headers);
 
-        HttpResponse<String> response = httpClient.send(request,
-                HttpResponse.BodyHandlers.ofString(StandardCharsets.UTF_8));
+        ResponseEntity<String> response = restTemplate.postForEntity(url, entity, String.class);
 
-        if (response.statusCode() == 200) {
-            return response.body();
+        if (response.getStatusCode() == HttpStatus.OK) {
+            return response.getBody();
         }
-        throw new RuntimeException("LLM 返回状态码: " + response.statusCode());
+        throw new RuntimeException("LLM 返回状态码: " + response.getStatusCode());
     }
 
     /**
@@ -209,4 +204,4 @@ public class ReportParserDispatchService {
             return "";
         }
     }
-}
+}