基于参数输入，更改代码流

def process_data(data_type, data):
    if data_type == 'text':
        return process_text(data)
    elif data_type == 'number':
        return process_number(data)
    else:
        return "Unsupported data type"

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

def process_number(number):
    # 处理数字数据的逻辑
    return f"Processed number: {number}"

# 示例调用
result = process_data('text', 'Hello, World!')
print(result)  # 输出: Processed text: Hello, World!

result = process_data('number', 123)
print(result)  # 输出: Processed number: 123

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

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

class NumberProcessor(DataProcessor):
    def process(self, data):
        return f"Processed number: {data}"

def get_processor(data_type):
    if data_type == 'text':
        return TextProcessor()
    elif data_type == 'number':
        return NumberProcessor()
    else:
        raise ValueError("Unsupported data type")

# 示例调用
processor = get_processor('text')
result = processor.process('Hello, World!')
print(result)  # 输出: Processed text: Hello, World!

def process_data(data_type, data):
    if data_type not in ['text', 'number']:
        return "Unsupported data type"
    
    if data_type == 'text':
        if not isinstance(data, str):
            return "Invalid text data"
        return process_text(data)
    elif data_type == 'number':
        if not isinstance(data, (int, float)):
            return "Invalid number data"
        return process_number(data)