lass="top-right-position"><span class="copy-icon"></span><div class="copy-popup-wrapper popup-to-left"><span class="copy-popup-icon"></span><span>Content copied to clipboard</span></div></span></div></div></div>
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<p class="paragraph">请求或者响应的进度, 值范围在0-100 如果服务器返回的响应体没有包含Content-Length(比如启用gzip压缩后Content-Length会被删除), 则无法计算进度, 始终返回0</p></div>
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