message.headers
请求/响应头对象。
¥The request/response headers object.
标头名称和值的键值对。标头名称是小写的。
¥Key-value pairs of header names and values. Header names are lower-cased.
// Prints something like:
//
// { 'user-agent': 'curl/7.22.0',
// host: '127.0.0.1:8000',
// accept: '*/*' }
console.log(request.headers);
原始标头中的重复项按以下方式处理,具体取决于标头名称:
¥Duplicates in raw headers are handled in the following ways, depending on the header name:
-
重复的
age
、authorization
、content-length
、content-type
、etag
、expires
、from
、host
、if-modified-since
、if-unmodified-since
、last-modified
、location
、max-forwards
、proxy-authorization
、referer
、retry-after
、server
或user-agent
被丢弃。要允许合并上面列出的标头的重复值,请在http.request()
和http.createServer()
中使用选项joinDuplicateHeaders
。有关详细信息,请参阅 RFC 9110 第 5.3 节。¥Duplicates of
age
,authorization
,content-length
,content-type
,etag
,expires
,from
,host
,if-modified-since
,if-unmodified-since
,last-modified
,location
,max-forwards
,proxy-authorization
,referer
,retry-after
,server
, oruser-agent
are discarded. To allow duplicate values of the headers listed above to be joined, use the optionjoinDuplicateHeaders
inhttp.request()
andhttp.createServer()
. See RFC 9110 Section 5.3 for more information. -
set-cookie
始终是数组。重复项被添加到数组中。¥
set-cookie
is always an array. Duplicates are added to the array. -
对于重复的
cookie
标头,值使用;
连接。¥For duplicate
cookie
headers, the values are joined together with;
. -
对于所有其他标头,值使用
,
连接。¥For all other headers, the values are joined together with
,
.