feat product 后处理图片size改为320*700

fix

app/service/generate_image/service_generate_product_image.py

@@ -165,15 +165,15 @@ def pre_processing_image(image_url):
 
 
 def post_processing_image(image, left, top):
-    width, height = image.size
-    # 计算裁剪后的宽度和坐标
-    new_width = width - 2 * left
-    right = left + new_width
+    resized_image = image.resize((int(image.width * (700 / image.height)), 700))
+    # 计算裁剪的坐标
+    left = (resized_image.width - 320) // 2
+    upper = 0
+    right = left + 320
+    lower = 700
 
-    # 进行裁剪操作
-    cropped_image = image.crop((left, 0, right, height))
-
-    # 保存裁剪后的图像，将此处的 'cropped_image.jpg' 替换为你想要保存的文件名
+    # 进行裁剪
+    cropped_image = resized_image.crop((left, upper, right, lower))
     return cropped_image