URLRequestHeader

最新推荐文章于 2024-09-15 15:08:18 发布

liuleigang1107

最新推荐文章于 2024-09-15 15:08:18 发布

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分类专栏： FLEX 文章标签： Flash

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本文详细介绍了URLRequestHeader对象如何封装HTTP请求头，并列举了不可使用的请求头类型，帮助开发者了解哪些自定义请求头可能被系统阻止。

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A URLRequestHeader object encapsulates a single HTTP request header and consists of a name/value pair. URLRequestHeader objects are used in the requestHeaders property of the URLRequest class.

The following request headers cannot be used: Accept-Ranges, Age, Allow, Allowed, Connection, Content-Length, Content-Location, Content-Range, ETag, Host, Last-Modified, Location, Max-Forwards, Proxy-Authenticate, Proxy-Authorization, Public, Range, Retry-After, Server, TE, Trailer, Transfer-Encoding, Upgrade, URI, Vary, Via, Warning, WWW-Authenticate, x-flash-version.

The following request headers not mentioned in the overview also cannot be used:

Referer, Get, Post, Put, Delete, Options, and Trace.