14 未增加重试版本-未使用装饰器 与使用装饰器

• 增加重试版本-未使用装饰器

# 未增加重试版本-未使用装饰器

def download(url):
    for i in range(5):
        try:

            res = requests.get(url)
            print(res.status_code)
            if res.status_code == 200:
                return '成功'
            return '失败'
        except Exception as e:
            print('异常重试', e )
            continue
    return '异常'

# text = input('请输入网址：').strip()
text = 'https://www.pythonav.com'
result = download(text)
print(result)

• 重试-装饰器版本

#加重试版本-使用装饰器

def retry(func):
    def inner(*args, **kwargs):
        for i in range(5):
            try:
                ret = func(*args, **kwargs)
                return ret
            except Exception as e:
                print('异常重试', e)
                continue
        return '异常'
    return inner


@retry
def download(url):
    res = requests.get(url)
    print(res.status_code)
    if res.status_code == 200:
        return '成功'
    return '失败'


# text = input('请输入网址：').strip()
text = 'https://www.pythonav.com'
result = download(text)
print(result)