HttpServletResponse.SC_UNAUTHORIZED

HttpServletResponse.SC_UNAUTHORIZED是一个HTTP状态码，表示未经授权的请求。它表示当前请求需要身份验证，但客户端未提供有效的凭据。在这种情况下，服务器会返回一个401 Unauthorized响应，表示请求被拒绝。通常，在认证失败时，可以使用该状态码来通知客户端需要进行身份验证。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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