Content-Range

在HTTP协议中，响应首部 Content-Range 显示的是一个数据片段在整个文件中的位置。

Header type Response header
Forbidden header name no
CORS-safelisted response-header no

语法

Content-Range: <unit> <range-start>-<range-end>/<size>
Content-Range: <unit> <range-start>-<range-end>/*
Content-Range: <unit> */<size>

指令

<unit>
数据区间所采用的单位。通常是字节（byte）。
<range-start>
一个整数，表示在给定单位下，区间的起始值。
<range-end>
一个整数，表示在给定单位下，区间的结束值。
<size>
整个文件的大小（如果大小未知则用"*"表示）。

示例

Content-Range: bytes 200-1000/67589

规范

Specification Title
RFC 7233, section 4.2: Content-Range Hypertext Transfer Protocol (HTTP/1.1): Range Requests

浏览器兼容性

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Content-RangeChrome Full support YesEdge Full support 12Firefox Full support YesIE Full support YesOpera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes

Legend

Full support  
Full support

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