根据数据执行不同的方法

def process_data(data):
    if data['type'] == 'text':
        return process_text(data)
    elif data['type'] == 'image':
        return process_image(data)
    elif data['type'] == 'video':
        return process_video(data)
    else:
        return "Unsupported data type"

def process_text(data):
    # 处理文本数据的逻辑
    return f"Processed text: {data['content']}"

def process_image(data):
    # 处理图像数据的逻辑
    return f"Processed image: {data['url']}"

def process_video(data):
    # 处理视频数据的逻辑
    return f"Processed video: {data['url']}"

# 示例数据
text_data = {'type': 'text', 'content': 'Hello, World!'}
image_data = {'type': 'image', 'url': 'https://example.com/image.jpg'}
video_data = {'type': 'video', 'url': 'https://example.com/video.mp4'}

print(process_data(text_data))  # 输出: Processed text: Hello, World!
print(process_data(image_data))  # 输出: Processed image: https://example.com/image.jpg
print(process_data(video_data))  # 输出: Processed video: https://example.com/video.mp4

class DataProcessor:
    def process(self, data):
        raise NotImplementedError

class TextProcessor(DataProcessor):
    def process(self, data):
        return f"Processed text: {data['content']}"

class ImageProcessor(DataProcessor):
    def process(self, data):
        return f"Processed image: {data['url']}"

class VideoProcessor(DataProcessor):
    def process(self, data):
        return f"Processed video: {data['url']}"

def get_processor(data):
    if data['type'] == 'text':
        return TextProcessor()
    elif data['type'] == 'image':
        return ImageProcessor()
    elif data['type'] == 'video':
        return VideoProcessor()
    else:
        raise ValueError("Unsupported data type")

# 示例数据
text_data = {'type': 'text', 'content': 'Hello, World!'}
image_data = {'type': 'image', 'url': 'https://example.com/image.jpg'}
video_data = {'type': 'video', 'url': 'https://example.com/video.mp4'}

processor = get_processor(text_data)
print(processor.process(text_data))  # 输出: Processed text: Hello, World!

processor = get_processor(image_data)
print(processor.process(image_data))  # 输出: Processed image: https://example.com/image.jpg

processor = get_processor(video_data)
print(processor.process(video_data))  # 输出: Processed video: https://example.com/video.mp4