request.getHeader(name)

• name <string>
• 返回: <any>

读取请求的标头。 该名称不区分大小写。 返回值的类型取决于提供给 request.setHeader() 的参数。

request.setHeader('content-type', 'text/html');
request.setHeader('Content-Length', Buffer.byteLength(body));
request.setHeader('Cookie', ['type=ninja', 'language=javascript']);
const contentType = request.getHeader('Content-Type');
// 'contentType' 是 'text/html'
const contentLength = request.getHeader('Content-Length');
// 'contentLength' 是数字类型
const cookie = request.getHeader('Cookie');
// 'cookie' 是 string[] 类型

• name <string>
• Returns: <any>

Reads out a header on the request. The name is case-insensitive. The type of the return value depends on the arguments provided to request.setHeader().

request.setHeader('content-type', 'text/html');
request.setHeader('Content-Length', Buffer.byteLength(body));
request.setHeader('Cookie', ['type=ninja', 'language=javascript']);
const contentType = request.getHeader('Content-Type');
// 'contentType' is 'text/html'
const contentLength = request.getHeader('Content-Length');
// 'contentLength' is of type number
const cookie = request.getHeader('Cookie');
// 'cookie' is of type string[]