ComfyUI自动按日期保存图片方法

import os

from datetime import datetime



def save_images(self, images, filename_prefix="ComfyUI", prompt=None, extra_pnginfo=None):
    filename_prefix += self.prefix_append
    
    # 获取当前日期作为子目录（格式：YYYY-MM-DD）
    date_dir = datetime.now().strftime("%Y-%m-%d")
    
    # 在原有输出目录下创建日期子目录
    dated_output_dir = os.path.join(self.output_dir, date_dir)
    
    # 调用原有路径获取逻辑（自动处理counter和subfolder）
    full_output_folder, filename, counter, subfolder, filename_prefix = folder_paths.get_save_image_path(
        filename_prefix, dated_output_dir, images[0].shape[1], images[0].shape[0]
    )

    results = list()
    for (batch_number, image) in enumerate(images):
        i = 255. * image.cpu().numpy()
        img = Image.fromarray(np.clip(i, 0, 255).astype(np.uint8))
        metadata = None
        if not args.disable_metadata:
            metadata = PngInfo()
            if prompt is not None:
                metadata.add_text("prompt", json.dumps(prompt))
            if extra_pnginfo is not None:
                for x in extra_pnginfo:
                    metadata.add_text(x, json.dumps(extra_pnginfo[x]))

        filename_with_batch_num = filename.replace("%batch_num%", str(batch_number))
        file = f"{filename_with_batch_num}_{counter:05}_.png"
        
        # 确保目录存在（双重保险）
        os.makedirs(full_output_folder, exist_ok=True)
        
        img.save(os.path.join(full_output_folder, file), pnginfo=metadata, compress_level=self.compress_level)
        results.append({
            "filename": file,
            "subfolder": os.path.join(date_dir, subfolder) if subfolder else date_dir,  # 保持subfolder相对路径
            "type": self.type
        })
        counter += 1

    return { "ui": { "images": results } }