python 自定义异常【raise】

 

# 抛出一个自定义异常
class MyCustomException(Exception):
    pass
    
def fetch_data_from_api(url):
        # 模拟从API获取数据，这里可能会抛出异常
        import requests
        response = requests.get(url)
        if response.status_code == 200:
            raise MyCustomException("返回码异常")
        return response.json()