def down_file(url, name, path):
    if os.path.exists(path):
        return

    print("开始下载：" + name + ".mp3")
    headers = {'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8',
               "Accept-Encoding": "gzip, deflate, br",
               "Accept-Language": "zh-CN,zh;q=0.9",
               "Upgrade-Insecure-Requests": "1",
               'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36'}

    count = 0
    while count < 3:
        try:

            r = requests.get(url, headers=headers, stream=True, timeout=60)
            # print(r.status_code)
            if (r.status_code == 200):
                with open(path, "wb+") as f:
                    for chunk in r.iter_content(1024):
                        f.write(chunk)
                print("完成下载：" + name + ".mp3")
                break
        except Exception as e:
            print(e)
            print("下载出错：" + name + ".mp3，3秒后重试")
            if os.path.exists(path):
                os.remove(path)

            time.sleep(3)
        count += 1

    pass