---
title: 100 Continue
slug: Web/HTTP/Status/100
translation_of: Web/HTTP/Status/100
---
<div>{{HTTPSidebar}}</div>

<p>HTTP <strong><code>100 Continue</code></strong> 訊息狀態回應碼表示，目前為止的一切完好，用戶端應該繼續完成請求，或當請求已經完成的狀態下應忽略此訊息。</p>

<p>若要使伺服器確認請求標頭，用戶端必須在最初請求的標頭中，傳送{{HTTPHeader("Expect")}}<code>: 100-continue</code> ，並且在傳送主體前，接收 <code>100 Continue</code> 狀態碼。</p>

<h2 id="狀態">狀態</h2>

<pre class="syntaxbox">100 Continue</pre>

<h2 id="規範">規範</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Title</th>
  </tr>
  <tr>
   <td>{{RFC("7231", "100 Continue" , "6.2.1")}}</td>
   <td>Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content</td>
  </tr>
 </tbody>
</table>

<h2 id="瀏覽器相容性">瀏覽器相容性</h2>

<p class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p>

<p>{{Compat("http.status.100")}}</p>

<h2 id="參見">參見</h2>

<ul>
 <li>{{HTTPHeader("Expect")}}</li>
 <li>{{HTTPStatus(417)}}</li>
</ul>