GPT3.5提供的答案:
    image.png
    代码片段:

    1. // 获取Authorization Header的值
    2. var authorizationHeaderValue = pm.response.headers.get('Authorization');
    3. // 将Authorization值设置到全局变量token中
    4. pm.globals.set('token', authorizationHeaderValue);

    验证结果:亲测好用