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`ngui/http`

提供http與https協(xié)議的客服端支持

可以使用get方式訪問服務(wù)端數(shù)據(jù)，并可很方便的將這些數(shù)據(jù)保存到本地

也可使用post方式發(fā)送數(shù)據(jù)或上傳文件到服務(wù)器

`Enum: HttpMethod`

發(fā)送http的方法

HTTP_METHOD_GET

HTTP_METHOD_POST

HTTP_METHOD_HEAD

HTTP_METHOD_DELETE

HTTP_METHOD_PUT

`Enum: HttpReadyState`

HttpClientRequest請求狀態(tài)，狀態(tài)的變化觸發(fā)onreadystateChange

HTTP_READY_STATE_INITIAL

未初始化，未調(diào)用send()或一個請求完成后

HTTP_READY_STATE_READY

準(zhǔn)備發(fā)送狀態(tài)，調(diào)用完send()后的正在建立連接或打開本地緩存

HTTP_READY_STATE_SENDING

連接已經(jīng)建立開始發(fā)送請求與數(shù)據(jù)，如果使用本地緩存，這個狀態(tài)不會被觸發(fā)

觸發(fā)這個狀態(tài)后會連續(xù)觸發(fā)onwrite事件直到數(shù)據(jù)發(fā)送完成

HTTP_READY_STATE_RESPONSE

請求發(fā)送完成，開始接收響應(yīng)數(shù)據(jù)

觸發(fā)這個狀態(tài)后會連續(xù)觸發(fā)ondata事件直到響應(yīng)完成

HTTP_READY_STATE_COMPLETED

完成請求，如果是一個沒有異常的請求，會觸發(fā)onend事件

`Class: HttpClientRequest`

Http客服端請求類

HttpClientRequest.onError

請求出現(xiàn)異常時觸發(fā),觸發(fā)異常一般會接著觸發(fā)onabort.

返回的事件數(shù)據(jù)為Error類型

HttpClientRequest.onWrite

發(fā)送數(shù)據(jù)時連續(xù)觸發(fā),直到數(shù)據(jù)發(fā)送完成

HttpClientRequest.onHeader

接收響應(yīng)頭完成觸發(fā)

HttpClientRequest.onData

接收響應(yīng)數(shù)據(jù)時連續(xù)觸發(fā),直到數(shù)據(jù)接收完成,事件數(shù)據(jù)為主體響應(yīng)片段Buffer

HttpClientRequest.onEnd

請求完成觸發(fā)

HttpClientRequest.onReadystateChange

狀態(tài)變化時觸發(fā)

HttpClientRequest.onTimeout

超時時觸發(fā)，HttpClientRequest.setTimeout() 設(shè)置超時時間

HttpClientRequest.onAbort

請求被中止時觸發(fā)

Example:

var cl = new HttpClientRequest()
// Prints: Error: Network error
cl.onError = function(ev) { console.log(ev.data) }
// Prints: <Buffer 00 aa cf 67>
cl.onData = function(ev) { console.log(ev.data) }
// Prints: 4 200
cl.onReadystateChange = function() { console.log(this.readyState, this.statusCode) }

HttpClientRequest.constructor()

HttpClientRequest.setMethod(method)

設(shè)置請求方法默認(rèn)為HTTP_METHOD_GET方法

@arg method {HttpMethod}

HttpClientRequest.setUrl(url)

@arg url {String}

HttpClientRequest.setSavePath(path)

設(shè)置一個路徑將數(shù)據(jù)保存到本地

@arg path {String}

HttpClientRequest.setUsername(username)

http請求頭Authorization用戶名

@arg username {String}

HttpClientRequest.setPassword(password)

http請求頭Authorization密碼

@arg password {String}

HttpClientRequest.disableCache(disable)

禁用緩存,既不保存下載的數(shù)據(jù)也不讀取本地緩存數(shù)據(jù)

@arg disable {bool}

HttpClientRequest.disableCookie(disable)

完全禁用cookie,不保存也不讀取

@arg disable {bool}

HttpClientRequest.disableSendCookie(disable)

只是不發(fā)送本地保存的cookie,但保存服務(wù)器設(shè)置的cookie

@arg disable {bool}

HttpClientRequest.disableSslVerify(disable)

禁用ssl認(rèn)證,如果站點沒有合法的證書,默認(rèn)請求會發(fā)送失敗,但可以設(shè)置禁用忽略認(rèn)證

@arg disable {bool}

HttpClientRequest.setRequestHeader(headerName, value)

@arg headerName {String} ascii string
@arg value {String}

HttpClientRequest.setForm(formName, value)

設(shè)置表單數(shù)據(jù)

待發(fā)送請求時會自動添加請求頭 Content-Type: application/x-www-form-urlencoded; charset=utf-8

必須使用HTTP_METHOD_POST方法發(fā)送請求否則會忽略表單

@arg formName {String}
@arg value {String}

HttpClientRequest.setUploadFile(formName, localPath)

上傳本地文件設(shè)置以multipart/form-data形式, 并在發(fā)送請求時自動添加請求頭

Content-Type: multipart/form-data; boundary=----NGUIFormBoundaryrGKCBY7qhFd3TrwA

必須使用HTTP_METHOD_POST方法發(fā)送請求否則會忽略表單

@arg formName {String}
@arg localPath {String}

HttpClientRequest.clearRequestHeader()

清空原先設(shè)置的請示頭

HttpClientRequest.clearFormData()

清空原先設(shè)置的表單

HttpClientRequest.getResponseHeader(headerName)

@arg headerName {String}
@ret {String}

HttpClientRequest.getAllResponseHeaders()

@ret {Object}

HttpClientRequest.setKeepAlive(keepAlive)

設(shè)置為true保持這個http連接,如果下次有這個服務(wù)器的請求會直接使用需無需再重新建立socket連接

當(dāng)然這個功能需要服務(wù)器支持,如果服務(wù)完成請求后立即斷開連接,那就是無效的。

默認(rèn)為true

@arg keepAlive {bool}

HttpClientRequest.setTimeout(time)

設(shè)置一個超時時間,達(dá)到超時時間還未完成請求客戶端會立即主動中止這個請求,并觸發(fā)onTimeout與onAbort事件

默認(rèn)為0表示永遠(yuǎn)不超時,單位為毫秒ms

@arg time {uint} ms

HttpClientRequest.send([data])

發(fā)送請求與數(shù)據(jù),如果要發(fā)送數(shù)據(jù)這個請求必須為HTTP_METHOD_POST方式,否則會忽略這些數(shù)據(jù)

如果在這里設(shè)置數(shù)據(jù)，那么之前設(shè)置的表單數(shù)據(jù)將被完全忽略

@arg [data] {String|ArrayBuffer|Buffer}

HttpClientRequest.pause()

暫停請求

HttpClientRequest.resume()

恢復(fù)暫停的請求

HttpClientRequest.abort()

中止請求

Example:

var cl = new http.HttpClientRequest()
cl.setUrl('https://www.baidu.com/')
cl2.setSavePath(path.documents('baidu.html'));
// Prints: 
// <Buffer 3c 68 74 6d 6c 3e 0d ... >
// <Buffer 3c 21 44 4f 43 54 59 ... > 
// ...
cl.onData = function(ev) {
    console.log(ev.data);
}
cl.onEnd = function() {
    // Prints:
    // true
    // 4 200
    console.log(fs.existsSync(path.documents('baidu.html')))
    console.log(this.readyState, this.statusCode)
}
cl.send();


var cl2 = new http.HttpClientRequest()
cl2.setUrl('http://192.168.1.100:1026/Tools/uploadFile')
cl2.setMethod(http.HTTP_METHOD_POST);
cl2.setUploadFile('uploadFile', path.resources('util/http.js'))
cl2.onEnd = function() {
    // Prints: complete
    console.log('complete')
}
cl2.send();

`Object: RequestOptions`

調(diào)用request()orrequestSync()時使用的選項數(shù)據(jù), 這是個Object類型描述并沒有實際存在的構(gòu)造函數(shù)

RequestOptions.url

{String}

RequestOptions.method

{HttpMethod}

RequestOptions.headers

{Object}

RequestOptions.postData

{Buffer|ArrayBuffer|String}

RequestOptions.save

{String}

RequestOptions.upload

{String}

RequestOptions.disableSslVerify

{bool}

RequestOptions.disableCache

{bool}

RequestOptions.disableCookie

{bool}

Example:

// uploat file and save body data
var opts = {
    url: 'http://192.168.1.100:1026/Tools/uploadFile',
    method: http.HTTP_METHOD_POST,
    headers: { test: 'test' },
    // postData: 'a=A',
    save: path.documents('uploadFile.html'),
    upload: path.resources('util/http.js'),
    disableSslVerify: false,
    disableCache: true,
    disableCookie: false,
};
http.request(opts, function(buff){ 
    // Prints: <Buffer ...>
    console.log(buff)
}.catch(e=>{ /*Fail*/ }))

request(options[,cb])

發(fā)送http請通過RequestOptions參數(shù)，并返回中止id失敗拋出異常

成功通過回調(diào)返回Buffer

Callback: cb(buff) (buff:Buffer)

@arg options {RequestOptions}
@arg [cb] {Function}
@ret {uint} return req id

Example:

var abortid = http.request({
    url: 'http://192.168.1.100:1026/',
}, function(buff){ /*Success*/ }.catch(e=>{ /*Fail*/ }))

requestStream(options[,cb])

發(fā)送http請通過RequestOptions參數(shù)，并返回中止id失敗拋出異常

成功通過回調(diào)返回StreamData

Callback: cb(data) (data:StreamData)

@arg options {RequestOptions}
@arg [cb] {Function}
@ret {uint} return req id

Example:

var abortid = http.requestStream({ 
    url: 'http://192.168.1.100:1026/' 
}, function(d){ 
    // Prints: <Buffer ...>
    console.log(d.data) 
}.catch(e=>{ /*Fail*/ }));

requestSync(options)

同步發(fā)送http請求通過RequestOptions參數(shù)，失敗拋出異常

成功返回主體Buffer數(shù)據(jù)

@arg options {Object}
@ret {Buffer}

Example:

// Prints: <Buffer ...>
try {
    console.log(http.requestSync({ url: 'http://192.168.1.100:1026/' }));
} catch(e) { /*Fail*/ }

download(url,save[,cb])

下載并保存文件，返回中止id失敗拋出異常

Callback: cb()

@arg url {String} 請求的url
@arg save {String} 本地保存路徑
@arg [cb] {Function}
@ret {uint} return req id

upload(url,localPath[,cb])

上傳本地文件到服務(wù)器，返回中止id失敗拋出異常

Callback: cb()

@arg url {String} 請求有url
@arg localPath {String} 要上傳的本地文件路徑
@arg [cb] {Function}
@ret {uint} return req id

get(url[,cb])

發(fā)送HTTP_METHOD_GET請求，返回中止id失敗拋出異常

成功通過回調(diào)返回響應(yīng)數(shù)據(jù)

Callback cb(buff) cb(buff:Buffer)

@arg url {String}
@arg [cb] {Function}
@ret {uint} return req id

post(url,data[,cb])

發(fā)送HTTP_METHOD_POST請求，返回中止id失敗拋出異常

成功通過回調(diào)返回響應(yīng)數(shù)據(jù)

Callback cb(buff) cb(buff:Buffer)

@arg url {String}
@arg data {String|ArrayBuffer|Buffer}
@arg [cb] {Function}
@ret {uint} return req id

getSync(url)

同步發(fā)送HTTP_METHOD_GET請求，成功返回數(shù)據(jù)Buffer，失敗拋出異常

@arg url {String}
@ret {Buffer}

postSync(url,data)

同步發(fā)送HTTP_METHOD_POST請求，成功返回數(shù)據(jù)Buffer，失敗拋出異常

@arg url {String}
@arg data {String|ArrayBuffer|Buffer}
@ret {Buffer}

abort(id)

通過傳入中止id強制中止異步任務(wù)與之相似的方法有fs.abort() or reader.abort()

@arg id {uint} abort id

Example:

var id0 = http.download('http://192.168.1.100:1026/libs/util/http.js');
var id1 = http.upload('http://192.168.1.100:1026/Tools/uploadFile', path.resources('util/http.js'));
// force abort task
http.abort(id0);
http.abort(id1);

userAgent()

返回 User Agent

@ret {String}

setUserAgent(userAgent)

設(shè)置 User Agent

@arg userAgent {String}

cachePath()

返回緩存路徑

@ret {String}

setCachePath(path)

設(shè)置緩存路徑

@arg path {String}

clearCache()

清空緩存數(shù)據(jù)文件

clearCookie()

清空cookie

http.md

ngui/http

Enum: HttpMethod

HTTP_METHOD_GET

HTTP_METHOD_POST

HTTP_METHOD_HEAD

HTTP_METHOD_DELETE

HTTP_METHOD_PUT

Enum: HttpReadyState

HTTP_READY_STATE_INITIAL

HTTP_READY_STATE_READY

HTTP_READY_STATE_SENDING

HTTP_READY_STATE_RESPONSE

HTTP_READY_STATE_COMPLETED

Class: HttpClientRequest

HttpClientRequest.onError

HttpClientRequest.onWrite

HttpClientRequest.onHeader

HttpClientRequest.onData

HttpClientRequest.onEnd

HttpClientRequest.onReadystateChange

HttpClientRequest.onTimeout

HttpClientRequest.onAbort

HttpClientRequest.constructor()

HttpClientRequest.setMethod(method)

HttpClientRequest.setUrl(url)

HttpClientRequest.setSavePath(path)

HttpClientRequest.setUsername(username)

HttpClientRequest.setPassword(password)

HttpClientRequest.disableCache(disable)

HttpClientRequest.disableCookie(disable)

HttpClientRequest.disableSendCookie(disable)

HttpClientRequest.disableSslVerify(disable)

HttpClientRequest.setRequestHeader(headerName, value)

HttpClientRequest.setForm(formName, value)

HttpClientRequest.setUploadFile(formName, localPath)

HttpClientRequest.clearRequestHeader()

HttpClientRequest.clearFormData()

HttpClientRequest.getResponseHeader(headerName)

HttpClientRequest.getAllResponseHeaders()

HttpClientRequest.setKeepAlive(keepAlive)

HttpClientRequest.setTimeout(time)

HttpClientRequest.send([data])

HttpClientRequest.pause()

HttpClientRequest.resume()

HttpClientRequest.abort()

Get: HttpClientRequest.uploadTotal

Get: HttpClientRequest.uploadSize

Get: HttpClientRequest.downloadTotal

Get: HttpClientRequest.downloadSize

Get: HttpClientRequest.readyState

Get: HttpClientRequest.statusCode

Get: HttpClientRequest.url

Object: RequestOptions

RequestOptions.url

RequestOptions.method

RequestOptions.headers

RequestOptions.postData

RequestOptions.save

RequestOptions.upload

RequestOptions.disableSslVerify

RequestOptions.disableCache

RequestOptions.disableCookie

request(options[,cb])

requestStream(options[,cb])

requestSync(options)

download(url,save[,cb])

upload(url,localPath[,cb])

get(url[,cb])

post(url,data[,cb])

getSync(url)

postSync(url,data)

abort(id)

userAgent()

setUserAgent(userAgent)

cachePath()

setCachePath(path)

clearCache()

clearCookie()

`ngui/http`

`Enum: HttpMethod`

`Enum: HttpReadyState`

`Class: HttpClientRequest`

`Object: RequestOptions`