request.getHeaderNames()

• 返回: <string[]>

返回包含当前传出标头的唯一名称的数组。 所有标头名称均为小写。

request.setHeader('Foo', 'bar');
request.setHeader('Cookie', ['foo=bar', 'bar=baz']);

const headerNames = request.getHeaderNames();
// headerNames === ['foo', 'Cookie']

• Returns: <string[]>

Returns an array containing the unique names of the current outgoing headers. All header names are lowercase.

request.setHeader('Foo', 'bar');
request.setHeader('Cookie', ['foo=bar', 'bar=baz']);

const headerNames = request.getHeaderNames();
// headerNames === ['foo', 'Cookie']