request 打印所有的参数：
HTTP server is listening at port 3000.
IncomingMessage {
_readableState:
ReadableState {
objectMode: false,
highWaterMark: 16384,
buffer: [],
length: 0,
pipes: null,
pipesCount: 0,
flowing: null,
ended: false,
endEmitted: false,
reading: false,
sync: true,
needReadable: false,
emittedReadable: false,
readableListening: false,
resumeScheduled: false,
defaultEncoding: 'utf8',
ranOut: false,
awaitDrain: 0,
readingMore: false,
decoder: null,
encoding: null },
readable: true,
domain: null,
_events: {},
_eventsCount: 0,
_maxListeners: undefined,
socket:
Socket {
_connecting: false,
_hadError: false,
_handle:
TCP {
_externalStream: {},
fd: -1,
reading: true,
owner: [Circular],
onread: [Function: onread],
onconnection: null,
writeQueueSize: 0 },
_parent: null,
_host: null,
_readableState:
ReadableState {
objectMode: false,
highWaterMark: 16384,
buffer: [],
length: 0,
pipes: null,
pipesCount: 0,
flowing: true,
ended: false,
endEmitted: false,
reading: true,
sync: false,
needReadable: true,
emittedReadable: false,
readableListening: false,
resumeScheduled: false,
defaultEncoding: 'utf8',
ranOut: false,
awaitDrain: 0,
readingMore: false,
decoder: null,
encoding: null },
readable: true,
domain: null,
_events:
{ end: [Object],
finish: [Function: onSocketFinish],
_socketEnd: [Function: onSocketEnd],
drain: [Object],
timeout: [Function],
error: [Function: socketOnError],
close: [Object],
data: [Function: socketOnData],
resume: [Function: onSocketResume],
pause: [Function: onSocketPause] },
_eventsCount: 10,
_maxListeners: undefined,
_writableState:
WritableState {
objectMode: false,
highWaterMark: 16384,
needDrain: false,
ending: false,
ended: false,
finished: false,
decodeStrings: false,
defaultEncoding: 'utf8',
length: 0,
writing: false,
corked: 0,
sync: false,
bufferProcessing: false,
onwrite: [Function],
writecb: null,
writelen: 0,
bufferedRequest: null,
lastBufferedRequest: null,
pendingcb: 5,
prefinished: false,
errorEmitted: false,
bufferedRequestCount: 0,
corkedRequestsFree: [Object] },
writable: true,
allowHalfOpen: true,
destroyed: false,
bytesRead: 0,
_bytesDispatched: 209,
_sockname: null,
_pendingData: null,
_pendingEncoding: '',
server:
Server {
domain: null,
_events: [Object],
_eventsCount: 3,
_maxListeners: undefined,
_connections: 1,
_handle: [Object],
_usingSlaves: false,
_slaves: [],
_unref: false,
allowHalfOpen: true,
pauseOnConnect: false,
httpAllowHalfOpen: false,
timeout: 120000,
_pendingResponseData: 0,
_connectionKey: '6::::3000' },
_server:
Server {
domain: null,
_events: [Object],
_eventsCount: 3,
_maxListeners: undefined,
_connections: 1,
_handle: [Object],
_usingSlaves: false,
_slaves: [],
_unref: false,
allowHalfOpen: true,
pauseOnConnect: false,
httpAllowHalfOpen: false,
timeout: 120000,
_pendingResponseData: 0,
_connectionKey: '6::::3000' },
_idleTimeout: 120000,
_idleNext:
{ [Function: utcDate]
_onTimeout: [Function],
_idleTimeout: 642,
_idleNext: [Object],
_idlePrev: [Circular],
_idleStart: 5015 },
_idlePrev: { _idleNext: [Circular], _idlePrev: [Object] },
_idleStart: 5020,
parser:
HTTPParser {
'0': [Function: parserOnHeaders],
'1': [Function: parserOnHeadersComplete],
'2': [Function: parserOnBody],
'3': [Function: parserOnMessageComplete],
'4': [Function: onParserExecute],
_headers: [],
_url: '',
_consumed: true,
socket: [Circular],
incoming: [Circular],
outgoing: null,
maxHeaderPairs: 2000,
onIncoming: [Function: parserOnIncoming] },
on: [Function: socketOnWrap],
_paused: false,
read: [Function],
_consuming: true,
_httpMessage:
ServerResponse {
domain: null,
_events: [Object],
_eventsCount: 1,
_maxListeners: undefined,
output: [],
outputEncodings: [],
outputCallbacks: [],
outputSize: 0,
writable: true,
_last: false,
chunkedEncoding: true,
shouldKeepAlive: true,
useChunkedEncodingByDefault: true,
sendDate: true,
_removedHeader: {},
_contentLength: null,
_hasBody: true,
_trailer: '',
finished: true,
_headerSent: true,
socket: [Circular],
connection: [Circular],
_header: 'HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nDate: Tue, 09 Aug 2016 07:55:28 GMT\r\nConnection: keep-alive\r\nTransfer-Encoding: chunked\r\n\r\n',
_headers: null,
_headerNames: {},
_onPendingData: [Function: updateOutgoingData],
statusMessage: 'OK',
statusCode: 200 } },
connection:
Socket {
_connecting: false,
_hadError: false,
_handle:
TCP {
_externalStream: {},
fd: -1,
reading: true,
owner: [Circular],
onread: [Function: onread],
onconnection: null,
writeQueueSize: 0 },
_parent: null,
_host: null,
_readableState:
ReadableState {
objectMode: false,
highWaterMark: 16384,
buffer: [],
length: 0,
pipes: null,
pipesCount: 0,
flowing: true,
ended: false,
endEmitted: false,
reading: true,
sync: false,
needReadable: true,
emittedReadable: false,
readableListening: false,
resumeScheduled: false,
defaultEncoding: 'utf8',
ranOut: false,
awaitDrain: 0,
readingMore: false,
decoder: null,
encoding: null },
readable: true,
domain: null,
_events:
{ end: [Object],
finish: [Function: onSocketFinish],
_socketEnd: [Function: onSocketEnd],
drain: [Object],
timeout: [Function],
error: [Function: socketOnError],
close: [Object],
data: [Function: socketOnData],
resume: [Function: onSocketResume],
pause: [Function: onSocketPause] },
_eventsCount: 10,
_maxListeners: undefined,
_writableState:
WritableState {
objectMode: false,
highWaterMark: 16384,
needDrain: false,
ending: false,
ended: false,
finished: false,
decodeStrings: false,
defaultEncoding: 'utf8',
length: 0,
writing: false,
corked: 0,
sync: false,
bufferProcessing: false,
onwrite: [Function],
writecb: null,
writelen: 0,
bufferedRequest: null,
lastBufferedRequest: null,
pendingcb: 5,
prefinished: false,
errorEmitted: false,
bufferedRequestCount: 0,
corkedRequestsFree: [Object] },
writable: true,
allowHalfOpen: true,
destroyed: false,
bytesRead: 0,
_bytesDispatched: 209,
_sockname: null,
_pendingData: null,
_pendingEncoding: '',
server:
Server {
domain: null,
_events: [Object],
_eventsCount: 3,
_maxListeners: undefined,
_connections: 1,
_handle: [Object],
_usingSlaves: false,
_slaves: [],
_unref: false,
allowHalfOpen: true,
pauseOnConnect: false,
httpAllowHalfOpen: false,
timeout: 120000,
_pendingResponseData: 0,
_connectionKey: '6::::3000' },
_server:
Server {
domain: null,
_events: [Object],
_eventsCount: 3,
_maxListeners: undefined,
_connections: 1,
_handle: [Object],
_usingSlaves: false,
_slaves: [],
_unref: false,
allowHalfOpen: true,
pauseOnConnect: false,
httpAllowHalfOpen: false,
timeout: 120000,
_pendingResponseData: 0,
_connectionKey: '6::::3000' },
_idleTimeout: 120000,
_idleNext:
{ [Function: utcDate]
_onTimeout: [Function],
_idleTimeout: 642,
_idleNext: [Object],
_idlePrev: [Circular],
_idleStart: 5015 },
_idlePrev: { _idleNext: [Circular], _idlePrev: [Object] },
_idleStart: 5020,
parser:
HTTPParser {
'0': [Function: parserOnHeaders],
'1': [Function: parserOnHeadersComplete],
'2': [Function: parserOnBody],
'3': [Function: parserOnMessageComplete],
'4': [Function: onParserExecute],
_headers: [],
_url: '',
_consumed: true,
socket: [Circular],
incoming: [Circular],
outgoing: null,
maxHeaderPairs: 2000,
onIncoming: [Function: parserOnIncoming] },
on: [Function: socketOnWrap],
_paused: false,
read: [Function],
_consuming: true,
_httpMessage:
ServerResponse {
domain: null,
_events: [Object],
_eventsCount: 1,
_maxListeners: undefined,
output: [],
outputEncodings: [],
outputCallbacks: [],
outputSize: 0,
writable: true,
_last: false,
chunkedEncoding: true,
shouldKeepAlive: true,
useChunkedEncodingByDefault: true,
sendDate: true,
_removedHeader: {},
_contentLength: null,
_hasBody: true,
_trailer: '',
finished: true,
_headerSent: true,
socket: [Circular],
connection: [Circular],
_header: 'HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nDate: Tue, 09 Aug 2016 07:55:28 GMT\r\nConnection: keep-alive\r\nTransfer-Encoding: chunked\r\n\r\n',
_headers: null,
_headerNames: {},
_onPendingData: [Function: updateOutgoingData],
statusMessage: 'OK',
statusCode: 200 } },
httpVersionMajor: 1,
httpVersionMinor: 1,
httpVersion: '1.1',
complete: false,
// headers: 请求头对象。
// host: 表示请求网站的域名或IP地址（请求的地址）。 默认为'localhost'。
headers:
{ host: '127.0.0.1:3000',
'user-agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0',
accept: 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
'accept-language': 'zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3',
'accept-encoding': 'gzip, deflate',
connection: 'keep-alive',
'cache-control': 'max-age=0' },
rawHeaders:
[
// 浏览器信息
'Host',
'127.0.0.1:3000',
'User-Agent',
'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0',
'Accept',
'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
'Accept-Language',
'zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3',
'Accept-Encoding',
'gzip, deflate',
'Connection',
'keep-alive',
'Cache-Control',
'max-age=0' ],
trailers: {},
rawTrailers: [],
upgrade: false,
url: '/',
method: 'GET',
statusCode: null,
statusMessage: null,
client:
Socket {
_connecting: false,
_hadError: false,
_handle:
TCP {
_externalStream: {},
fd: -1,
reading: true,
owner: [Circular],
onread: [Function: onread],
onconnection: null,
writeQueueSize: 0 },
_parent: null,
_host: null,
_readableState:
ReadableState {
objectMode: false,
highWaterMark: 16384,
buffer: [],
length: 0,
pipes: null,
pipesCount: 0,
flowing: true,
ended: false,
endEmitted: false,
reading: true,
sync: false,
needReadable: true,
emittedReadable: false,
readableListening: false,
resumeScheduled: false,
defaultEncoding: 'utf8',
ranOut: false,
awaitDrain: 0,
readingMore: false,
decoder: null,
encoding: null },
readable: true,
domain: null,
_events:
{ end: [Object],
finish: [Function: onSocketFinish],
_socketEnd: [Function: onSocketEnd],
drain: [Object],
timeout: [Function],
error: [Function: socketOnError],
close: [Object],
data: [Function: socketOnData],
resume: [Function: onSocketResume],
pause: [Function: onSocketPause] },
_eventsCount: 10,
_maxListeners: undefined,
_writableState:
WritableState {
objectMode: false,
highWaterMark: 16384,
needDrain: false,
ending: false,
ended: false,
finished: false,
decodeStrings: false,
defaultEncoding: 'utf8',
length: 0,
writing: false,
corked: 0,
sync: false,
bufferProcessing: false,
onwrite: [Function],
writecb: null,
writelen: 0,
bufferedRequest: null,
lastBufferedRequest: null,
pendingcb: 5,
prefinished: false,
errorEmitted: false,
bufferedRequestCount: 0,
corkedRequestsFree: [Object] },
writable: true,
allowHalfOpen: true,
destroyed: false,
bytesRead: 0,
_bytesDispatched: 209,
_sockname: null,
_pendingData: null,
_pendingEncoding: '',
server:
Server {
domain: null,
_events: [Object],
_eventsCount: 3,
_maxListeners: undefined,
_connections: 1,
_handle: [Object],
_usingSlaves: false,
_slaves: [],
_unref: false,
allowHalfOpen: true,
pauseOnConnect: false,
httpAllowHalfOpen: false,
timeout: 120000,
_pendingResponseData: 0,
_connectionKey: '6::::3000' },
_server:
Server {
domain: null,
_events: [Object],
_eventsCount: 3,
_maxListeners: undefined,
_connections: 1,
_handle: [Object],
_usingSlaves: false,
_slaves: [],
_unref: false,
allowHalfOpen: true,
pauseOnConnect: false,
httpAllowHalfOpen: false,
timeout: 120000,
_pendingResponseData: 0,
_connectionKey: '6::::3000' },
_idleTimeout: 120000,
_idleNext:
{ [Function: utcDate]
_onTimeout: [Function],
_idleTimeout: 642,
_idleNext: [Object],
_idlePrev: [Circular],
_idleStart: 5015 },
_idlePrev: { _idleNext: [Circular], _idlePrev: [Object] },
_idleStart: 5020,
parser:
HTTPParser {
'0': [Function: parserOnHeaders],
'1': [Function: parserOnHeadersComplete],
'2': [Function: parserOnBody],
'3': [Function: parserOnMessageComplete],
'4': [Function: onParserExecute],
_headers: [],
_url: '',
_consumed: true,
socket: [Circular],
incoming: [Circular],
outgoing: null,
maxHeaderPairs: 2000,
onIncoming: [Function: parserOnIncoming] },
on: [Function: socketOnWrap],
_paused: false,
read: [Function],
_consuming: true,
_httpMessage:
ServerResponse {
domain: null,
_events: [Object],
_eventsCount: 1,
_maxListeners: undefined,
output: [],
outputEncodings: [],
outputCallbacks: [],
outputSize: 0,
writable: true,
_last: false,
chunkedEncoding: true,
shouldKeepAlive: true,
useChunkedEncodingByDefault: true,
sendDate: true,
_removedHeader: {},
_contentLength: null,
_hasBody: true,
_trailer: '',
finished: true,
_headerSent: true,
socket: [Circular],
connection: [Circular],
_header: 'HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nDate: Tue, 09 Aug 2016 07:55:28 GMT\r\nConnection: keep-alive\r\nTransfer-Encoding: chunked\r\n\r\n',
_headers: null,
_headerNames: {},
_onPendingData: [Function: updateOutgoingData],
statusMessage: 'OK',
statusCode: 200 } },
_consuming: false,
_dumped: false }