feat(rmbg): 添加图片URL返回功能，移除base64字段

- 添加保存图片到jfile/files目录的功能
- 返回结果从image_content改为image_url
- 添加save_dir和download_url配置项
- 大幅减少返回数据大小，提升传输性能
- file和batch接口均支持返回图片URL

apps/rmbg/service.py

@@ -14,6 +14,8 @@ import asyncio
 import io
 import multiprocessing as mp
 from concurrent.futures import ProcessPoolExecutor
+import uuid
+from settings import settings
 
 # 关闭不必要的警告
 warnings.filterwarnings("ignore", category=UserWarning)
@@ -28,6 +30,10 @@ class RmbgService:
         self.model_path = model_path
         self.model = None
         self.device = None
+        self.save_dir = settings.save_dir
+        self.download_url = settings.download_url
+        # 确保保存目录存在
+        os.makedirs(self.save_dir, exist_ok=True)
         self._load_model()
         
     def _load_model(self):
@@ -77,6 +83,27 @@ class RmbgService:
         buffered = io.BytesIO()
         image.save(buffered, format="PNG")
         return base64.b64encode(buffered.getvalue()).decode('utf-8')
+    
+    def save_image_to_file(self, image):
+        """
+        保存图片到jfile/files目录并返回URL
+        
+        Args:
+            image: PIL Image对象
+            
+        Returns:
+            图片URL
+        """
+        # 生成唯一文件名
+        filename = f"rmbg_{uuid.uuid4().hex[:10]}.png"
+        file_path = os.path.join(self.save_dir, filename)
+        
+        # 保存图片
+        image.save(file_path, format="PNG")
+        
+        # 构建URL
+        image_url = f"{self.download_url}/{filename}"
+        return image_url
 
     async def remove_background(self, image_path):
         """
@@ -107,12 +134,12 @@ class RmbgService:
             image = Image.open(image_path).convert("RGB")
             image_no_bg = self.process_image(image)
             
-            # 转换为base64
-            image_content = self.image_to_base64(image_no_bg)
+            # 保存图片到文件并获取URL
+            image_url = self.save_image_to_file(image_no_bg)
             
             return {
                 "status": "success",
-                "image_content": image_content
+                "image_url": image_url
             }
         
         finally:
@@ -138,12 +165,12 @@ class RmbgService:
             image = Image.open(io.BytesIO(file_content)).convert("RGB")
             image_no_bg = self.process_image(image)
             
-            # 转换为base64
-            image_content = self.image_to_base64(image_no_bg)
+            # 保存图片到文件并获取URL
+            image_url = self.save_image_to_file(image_no_bg)
             
             return {
                 "status": "success",
-                "image_content": image_content
+                "image_url": image_url
             }
         
         except Exception as e:
@@ -175,7 +202,7 @@ class RmbgService:
                     "total": total,
                     "original_url": url_str,
                     "status": "success",
-                    "image_content": result["image_content"],
+                    "image_url": result["image_url"],
                     "success_count": success_count,
                     "error_count": error_count,
                     "message": "处理成功"

apps/rmbg/settings.py

@@ -16,6 +16,11 @@ class Settings(BaseSettings):
 
     upload_url: str = "http://images.jingrow.com:8080/api/v1/image"
 
+    # 图片保存配置
+    save_dir: str = "../jfile/files"
+    # Japi 静态资源下载URL
+    download_url: str = "https://api.jingrow.com/files"
+
     # Jingrow Jcloud API 配置
     jingrow_api_url: str = "https://cloud.jingrow.com"
     jingrow_api_key: Optional[str] = None