feat: 优化腾讯存储桶逻辑，不再每次都开关客户端

web-api/ruoyi-common/src/main/java/com/ruoyi/common/utils/TencentCosUtil.java

@@ -13,6 +13,9 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 import org.springframework.web.multipart.MultipartFile;
 
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -38,6 +41,19 @@ public class TencentCosUtil {
     @Value("${tencentCos.domain}")
     private String domain;
 
+    private COSClient cosClient;
+
+    @PostConstruct
+    public void initCosClient() {
+        cosClient = createCosClient();
+    }
+
+    @PreDestroy
+    public void destroyCosClient() {
+        if (cosClient != null) {
+            cosClient.shutdown();
+        }
+    }
 
     /**
      * 上传MultipartFile到腾讯云COS，返回文件访问地址
@@ -59,8 +75,6 @@ public class TencentCosUtil {
             throw new IllegalArgumentException("上传文件不能为空");
         }
 
-        COSClient cosClient = createCosClient();
-
         // 生成唯一文件键，格式与AWS一致：yyyy/MM/dd/uuid_filename
         String key = generateCosKey(file.getOriginalFilename());
 
@@ -89,8 +103,6 @@ public class TencentCosUtil {
         } catch (Exception e) {
             e.printStackTrace();
             throw new RuntimeException("上传文件到COS失败: " + e.getMessage(), e);
-        } finally {
-            cosClient.shutdown();
         }
     }