blocks|key|294335|text|为什么不使用Apache+HttpComponents？这里是application+FAQ，它涵盖了广泛的场景。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|294336|entityMap|0|LINK|mutability|MUTABLE|url|http://hc.apache.org/|1|http://wiki.apache.org/HttpComponents/FrequentlyAskedApplicationDesignQuestions#GET_with_Query^0|6|L|0|V|F|1|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]|$A|R|B|S|1|T]]|C|$]]|$1|D|3|-4|5|6|7|U|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]|L|$5|G|H|I|C|$J|M]]]]

Why not use <a href="http://hc.apache.org/" rel="nofollow">Apache HttpComponents</a> ? Here's the <a href="http://wiki.apache.org/HttpComponents/FrequentlyAskedApplicationDesignQuestions#GET_with_Query" rel="nofollow">application FAQ</a>, which covers a wide range of scenarios.

blocks|key|294365|text|我使用以下代码：https://github.com/scalaj/scalaj-http。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|294366|下面是一个简单的GET请求：|294367|import+scalaj.http.{Http,+HttpOptions}

Http("http://example.com/search").param("q",+"monkeys").asString|code-block|syntax|javascript|294368|还有一个帖子的例子：|294369|val+result+=+Http("http://example.com/url").postData("""{"id":"12","json":"data"}""")
++.header("Content-Type",+"application/json")
++.header("Charset",+"UTF-8")
++.option(HttpOptions.readTimeout(10000)).asString|294370|Scalaj+HTTP可以通过SBT获得：|294371|libraryDependencies+%2B=+"org.scalaj"+%25+"scalaj-http_2.11"+%25+"2.3.0"|294372|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/scalaj/scalaj-http^0|8|11|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@$A|11|B|12|1|13]]|C|$]]|$1|D|3|E|5|6|7|14|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|15|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|16|8|@]|9|@]|C|$]]|$1|M|3|N|5|H|7|17|8|@]|9|@]|C|$I|J]]|$1|O|3|P|5|6|7|18|8|@]|9|@]|C|$]]|$1|Q|3|R|5|H|7|19|8|@]|9|@]|C|$I|J]]|$1|S|3|-4|5|6|7|1A|8|@]|9|@]|C|$]]]|T|$U|$5|V|W|X|C|$Y|Z]]]]

I use the following: <a href="https://github.com/scalaj/scalaj-http" rel="noreferrer">https://github.com/scalaj/scalaj-http</a>.

Here's a simple GET request:

<pre><code>import scalaj.http.{Http, HttpOptions}

Http("http://example.com/search").param("q", "monkeys").asString
</code></pre>

and an example of a POST:

<pre><code>val result = Http("http://example.com/url").postData("""{"id":"12","json":"data"}""")
 .header("Content-Type", "application/json")
 .header("Charset", "UTF-8")
 .option(HttpOptions.readTimeout(10000)).asString
</code></pre>

Scalaj HTTP is available through SBT:

<pre><code>libraryDependencies += "org.scalaj" % "scalaj-http_2.11" % "2.3.0"
</code></pre>

blocks|key|294393|text|我使用的是dispatch：http://dispatch.databinder.net/Dispatch.html|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|294394|他们刚刚发布了一个新版本(0.9.0)，带有一个我非常喜欢的全新api。而且它是异步的。|294395|来自项目页面的示例：|294396|import+dispatch._
val+svc+=+url("http://api.hostip.info/country.php")
val+country+=+Http(svc+OK+as.String)

for+(c+<-+country)
++println(c)|code-block|syntax|javascript|294397|编辑:这可能会帮助你编辑https://github.com/dispatch/reboot/blob/master/core/src/main/scala/requests.scala|294398|entityMap|0|LINK|mutability|MUTABLE|url|http://dispatch.databinder.net/Dispatch.html|1|https://github.com/dispatch/reboot/blob/master/core/src/main/scala/requests.scala^0|E|18|0|0|0|0|0|C|29|1|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@$A|Z|B|10|1|11]]|C|$]]|$1|D|3|E|5|6|7|12|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|13|8|@]|9|@]|C|$]]|$1|H|3|I|5|J|7|14|8|@]|9|@]|C|$K|L]]|$1|M|3|N|5|6|7|15|8|@]|9|@$A|16|B|17|1|18]]|C|$]]|$1|O|3|-4|5|6|7|19|8|@]|9|@]|C|$]]]|P|$Q|$5|R|S|T|C|$U|V]]|W|$5|R|S|T|C|$U|X]]]]

I'm using dispatch: <a href="http://dispatch.databinder.net/Dispatch.html" rel="nofollow">http://dispatch.databinder.net/Dispatch.html</a>

They've just released a new version (0.9.0) with a complete new api that I really like. And it is async.

Example from project page:

<pre><code>import dispatch._
val svc = url("http://api.hostip.info/country.php")
val country = Http(svc OK as.String)

for (c &lt;- country)
 println(c)
</code></pre>

edit: This might help you <a href="https://github.com/dispatch/reboot/blob/master/core/src/main/scala/requests.scala" rel="nofollow">https://github.com/dispatch/reboot/blob/master/core/src/main/scala/requests.scala</a>

blocks|key|294434|text|如果我可以做一个厚颜无耻的插件，我就有一个名为Bee-Client的API，它只是一个用于Java的HttpUrlConnection的Scala的包装器。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|294435|entityMap|0|LINK|mutability|MUTABLE|url|https://bitbucket.org/rickb777/bee-client/overview^0|N|A|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

If I can make a shameless plug, I have an API called <a href="https://bitbucket.org/rickb777/bee-client/overview" rel="nofollow">Bee-Client</a> which is simply a wrapper in Scala for Java's HttpUrlConnection.

blocks|key|510999|text|您可以使用spray-client。虽然缺少文档(我花了一些时间才找到how+to+make+GET+requests+with+query+parameters)，但如果你已经在使用spray，这是一个很好的选择。而且文档比调度更好。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|511000|我们在AI2中通过dispatch使用它，因为运算符符号较少，并且我们已经在使用spray/actors。|511001|import+spray.client.pipelining._

val+url+=+"http://youruri.com/yo"
val+pipeline:+HttpRequest+=>+Future[HttpResponse]+=+sendReceive

//+Post+with+header+and+parameters
val+responseFuture1:+Future[String]+=+pipeline(Post(Uri(url)+withParams+("param"+->+paramValue),+yourPostData)+map+(_.entity.asString)

//+Post+with+header
val+responseFuture2:+Future[String]+=+pipeline(Post(url,+yourPostData))+map+(_.entity.asString)|code-block|syntax|javascript|511002|entityMap|0|LINK|mutability|MUTABLE|url|http://spray.io/documentation/1.2.1/spray-client/|1|https://stackoverflow.com/questions/13463387/scala-url-with-query-string-parser-and-builder-dsl|2|http://allenai.org/|3|http://dispatch.databinder.net/Dispatch.html^0|5|C|0|Z|1A|1|0|3|3|2|9|8|3|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@$A|Z|B|10|1|11]|$A|12|B|13|1|14]]|C|$]]|$1|D|3|E|5|6|7|15|8|@]|9|@$A|16|B|17|1|18]|$A|19|B|1A|1|1B]]|C|$]]|$1|F|3|G|5|H|7|1C|8|@]|9|@]|C|$I|J]]|$1|K|3|-4|5|6|7|1D|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]|S|$5|N|O|P|C|$Q|T]]|U|$5|N|O|P|C|$Q|V]]|W|$5|N|O|P|C|$Q|X]]]]

You could use <a href="http://spray.io/documentation/1.2.1/spray-client/" rel="nofollow noreferrer">spray-client</a>. The documentation is lacking (it took me some digging to find out <a href="https://stackoverflow.com/questions/13463387/scala-url-with-query-string-parser-and-builder-dsl">how to make GET requests with query parameters</a>) but it's a great option if you are already using spray. And the documentation is better than dispatch.

We're using it at <a href="http://allenai.org/" rel="nofollow noreferrer">AI2</a> over <a href="http://dispatch.databinder.net/Dispatch.html" rel="nofollow noreferrer">dispatch</a> because the operators are less symbolic and we're already using spray/actors.

<pre><code>import spray.client.pipelining._

val url = "http://youruri.com/yo"
val pipeline: HttpRequest =&gt; Future[HttpResponse] = sendReceive

// Post with header and parameters
val responseFuture1: Future[String] = pipeline(Post(Uri(url) withParams ("param" -&gt; paramValue), yourPostData) map (_.entity.asString)

// Post with header
val responseFuture2: Future[String] = pipeline(Post(url, yourPostData)) map (_.entity.asString)
</code></pre>

blocks|key|294511|text|另一个选择是Typesafe的play-+WS，它是Play+Framework+WS库，作为一个独立的库：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|294512|http://blog.devalias.net/post/89810672067/play-framework-seperated-ws-library|offset|length|294513|我不一定会认为这是最好的选择，但值得一提的是。|294514|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|25|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@$D|Q|E|R|1|S]]|A|$]]|$1|F|3|G|5|6|7|T|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|U|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|C]]]]

Another option is Typesafe's play-ws, which is the Play Framework WS library broken out as a standalone lib:

<a href="http://blog.devalias.net/post/89810672067/play-framework-seperated-ws-library" rel="nofollow">http://blog.devalias.net/post/89810672067/play-framework-seperated-ws-library</a>

I wouldn't necessarily offer this as the best option, but worth mentioning.

blocks|key|511097|text|我不得不做同样的事情来测试一个端点(在集成测试中)。下面是在Scala中从GET请求中获取响应的代码。我使用scala.io.Source从端点读取，使用ObjectMapper进行json到对象的转换。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|511098|private+def+buildStockMasterUrl(url:String,+stockStatus:Option[String])+=+{
++++++stockStatus+match++{
++++++++case+Some(stockStatus)+=>+s"$url?stockStatus=${stockStatus}"
++++++++case+_+=>+url
++++}
++}

++++private+def+fetchBooksMasterData(stockStatus:Option[String]):++util.ArrayList[BooksMasterData]+=+{
++++val+url:+String+=+buildBooksMasterUrl("http://localhost:8090/books/rest/catalogue/booksMasterData",stockStatus)
++++val+booksMasterJson+:+String+=+scala.io.Source.fromURL(url).mkString
++++val+mapper+=+new+ObjectMapper()
++++apper.readValue(booksMasterJson,classOf[util.ArrayList[BooksMasterData]])
}

case+class+BooksMasterData(id:String,description:+String,category:+String)|code-block|syntax|javascript|511099|下面是我的测试方法|511100|test("validate+booksMasterData+resource")+{
++++val+booksMasterData+=+fetchBooksMasterData(Option(null))
++++booksMasterData.size+should+be+(740)
++}|511101|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

I had to do the same to test one end point (in Integration test). So following is the code to fetch response from GET request in Scala.
I am making use of scala.io.Source to read from endpoint and ObjectMapper for json to object conversion.

<pre><code>private def buildStockMasterUrl(url:String, stockStatus:Option[String]) = {
 stockStatus match {
 case Some(stockStatus) =&gt; s"$url?stockStatus=${stockStatus}"
 case _ =&gt; url
 }
 }

 private def fetchBooksMasterData(stockStatus:Option[String]): util.ArrayList[BooksMasterData] = {
 val url: String = buildBooksMasterUrl("http://localhost:8090/books/rest/catalogue/booksMasterData",stockStatus)
 val booksMasterJson : String = scala.io.Source.fromURL(url).mkString
 val mapper = new ObjectMapper()
 apper.readValue(booksMasterJson,classOf[util.ArrayList[BooksMasterData]])
}

case class BooksMasterData(id:String,description: String,category: String)
</code></pre>

And here is my test method for the same

<pre><code>test("validate booksMasterData resource") {
 val booksMasterData = fetchBooksMasterData(Option(null))
 booksMasterData.size should be (740)
 }
</code></pre>

blocks|key|294636|text|这是我正在学习的一个类。它同时有GET和POST请求。不带参数的GET+-带参数的POST我用它来与StreamSets通信，以便启动管道或检查管道状态。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|294637|它只需要在build.sbt文件中包含以下依赖项：|294638|libraryDependencies+%2B=+"org.scalaj"+%25%25+"scalaj-http"+%25+"2.3.0"|code-block|syntax|javascript|294639|您可以在此处找到文档：https://github.com/scalaj/scalaj-http#post-raw-arraybyte-or-string-data-and-get-response-code|offset|length|294640|import+scala.collection.mutable.ArrayBuffer
import+scalaj.http.{Http,+HttpResponse}

object+HttpRequestHandler+{

++val+userName:+String+=+"admin"
++val+password:+String+=+"admin"

++def+sendHttpGetRequest(request:+String):+String+=+{

++++println("+Send+Http+Get+Request+(Start)+")

++++try+{

++++++val+httpResponse:+HttpResponse[String]+=+Http(request).auth(userName,password)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.asString

++++++val+response+=+if+(httpResponse.code+==+200)+httpResponse.body
++++++else{
++++++++println("Bad+HTTP+response:+code+=+"%2BhttpResponse.code+)
++++++++return+"ERROR"
++++++}

++++++println("+Send+Http+Get+Request+(End)+")

++++++return+response

++++}+catch+{
++++++case+e:+Exception+=>+println("Error+in+sending+Get+request:+"%2Be.getMessage)
++++++++return+"ERROR"
++++}


++}

++def+arrayBufferToJson(params:ArrayBuffer[(String,String)]):+String+={

++++var+jsonString+=+"{"
++++var+count:+Int+=+0
++++for(param+<-+params){
++++++jsonString%2B="\""%2Bparam._1%2B"\":\""%2Bparam._2%2B"\""%2B+(+if(count!=params.length-1)+","+else+"")
++++++count%2B=1
++++}
++++jsonString%2B="}"

++++return+jsonString

++}

++def+sendHttpPostRequest(request:+String,params:+ArrayBuffer[(String,String)]):+String+=+{

++++println("+Send+Http+Post+Request+(Start)+")

++++try+{
++++++val+postData+:+String+=+arrayBufferToJson(params)
++++++println("Parameters:+"%2BpostData)
++++++val+httpResponse:+HttpResponse[String]+=+Http(request).auth(userName,password)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.header("X-Requested-By","sdc")
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.header("Content-Type",+"application/json;charset=UTF-8")
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.header("X-Stream"+,+"true")
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.header("Accept",+"application/json")
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.postData(postData.getBytes)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.asString


++++++val+response+=+if+(httpResponse.code+==+200)+httpResponse.body
++++++else{
++++++++println("Bad+HTTP+response:+code+=+"%2BhttpResponse.code+)
++++++++"ERROR"
++++++}

++++++println("+Send+Http+Post+Request+(End)+")

++++++return+response

++++}+catch+{
++++++case+e:+Exception+=>+println("Error+in+sending+Post+request:+"+%2B+e.getMessage)
++++++++return+"ERROR"
++++}
++}

}|294641|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/scalaj/scalaj-http#post-raw-arraybyte-or-string-data-and-get-response-code^0|0|0|0|B|2L|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Y|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|Z|8|@]|9|@$K|10|L|11|1|12]]|A|$]]|$1|M|3|N|5|F|7|13|8|@]|9|@]|A|$G|H]]|$1|O|3|-4|5|6|7|14|8|@]|9|@]|A|$]]]|P|$Q|$5|R|S|T|A|$U|V]]]]

Here is a class I was working on. It has both GET and POST requests. 
GET without parameters - POST with parameters
I used it to communicate with StreamSets in order to start a pipeline or check a pipeline status.

it only need the following dependency in the build.sbt file:

<pre><code>libraryDependencies += "org.scalaj" %% "scalaj-http" % "2.3.0"
</code></pre>

You can find the documentation here: <a href="https://github.com/scalaj/scalaj-http#post-raw-arraybyte-or-string-data-and-get-response-code" rel="nofollow noreferrer">https://github.com/scalaj/scalaj-http#post-raw-arraybyte-or-string-data-and-get-response-code</a>

<pre><code>
import scala.collection.mutable.ArrayBuffer
import scalaj.http.{Http, HttpResponse}

object HttpRequestHandler {

 val userName: String = "admin"
 val password: String = "admin"

 def sendHttpGetRequest(request: String): String = {

 println(" Send Http Get Request (Start) ")

 try {

 val httpResponse: HttpResponse[String] = Http(request).auth(userName,password)
 .asString

 val response = if (httpResponse.code == 200) httpResponse.body
 else{
 println("Bad HTTP response: code = "+httpResponse.code )
 return "ERROR"
 }

 println(" Send Http Get Request (End) ")

 return response

 } catch {
 case e: Exception =&gt; println("Error in sending Get request: "+e.getMessage)
 return "ERROR"
 }


 }

 def arrayBufferToJson(params:ArrayBuffer[(String,String)]): String ={

 var jsonString = "{"
 var count: Int = 0
 for(param &lt;- params){
 jsonString+="\""+param._1+"\":\""+param._2+"\""+ ( if(count!=params.length-1) "," else "")
 count+=1
 }
 jsonString+="}"

 return jsonString

 }

 def sendHttpPostRequest(request: String,params: ArrayBuffer[(String,String)]): String = {

 println(" Send Http Post Request (Start) ")

 try {
 val postData : String = arrayBufferToJson(params)
 println("Parameters: "+postData)
 val httpResponse: HttpResponse[String] = Http(request).auth(userName,password)
 .header("X-Requested-By","sdc")
 .header("Content-Type", "application/json;charset=UTF-8")
 .header("X-Stream" , "true")
 .header("Accept", "application/json")
 .postData(postData.getBytes)
 .asString


 val response = if (httpResponse.code == 200) httpResponse.body
 else{
 println("Bad HTTP response: code = "+httpResponse.code )
 "ERROR"
 }

 println(" Send Http Post Request (End) ")

 return response

 } catch {
 case e: Exception =&gt; println("Error in sending Post request: " + e.getMessage)
 return "ERROR"
 }
 }

}

</code></pre>

blocks|key|511209|text|使用我的Requests-Scala库：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|511210|//+Mill
ivy"com.lihaoyi::requests:0.1.8"
//+SBT
"com.lihaoyi"+%25%25+"requests"+%25+"0.1.8"|code-block|syntax|javascript|511211|这很简单，就像|511212|val+r+=+requests.get("https://api.github.com/users/lihaoyi")

r.statusCode
//+200

r.headers("content-type")
//+Buffer("application/json;+charset=utf-8")

r.text
//+{"login":"lihaoyi","id":934140,"node_id":"MDQ6VXNlcjkzNDE0MA==",...|511213|val+r+=+requests.post("http://httpbin.org/post",+data+=+Map("key"+->+"value"))

val+r+=+requests.put("http://httpbin.org/put",+data+=+Map("key"+->+"value"))

val+r+=+requests.delete("http://httpbin.org/delete")

val+r+=+requests.head("http://httpbin.org/head")

val+r+=+requests.options("http://httpbin.org/get")|511214|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/lihaoyi/requests-scala^0|4|E|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@$A|X|B|Y|1|Z]]|C|$]]|$1|D|3|E|5|F|7|10|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|11|8|@]|9|@]|C|$]]|$1|K|3|L|5|F|7|12|8|@]|9|@]|C|$G|H]]|$1|M|3|N|5|F|7|13|8|@]|9|@]|C|$G|H]]|$1|O|3|-4|5|6|7|14|8|@]|9|@]|C|$]]]|P|$Q|$5|R|S|T|C|$U|V]]]]

Using my <a href="https://github.com/lihaoyi/requests-scala" rel="noreferrer">Requests-Scala</a> library:

<pre><code>// Mill
ivy"com.lihaoyi::requests:0.1.8"
// SBT
"com.lihaoyi" %% "requests" % "0.1.8"
</code></pre>

This is as simple as

<pre><code>val r = requests.get("https://api.github.com/users/lihaoyi")

r.statusCode
// 200

r.headers("content-type")
// Buffer("application/json; charset=utf-8")

r.text
// {"login":"lihaoyi","id":934140,"node_id":"MDQ6VXNlcjkzNDE0MA==",...
</code></pre>

<pre><code>val r = requests.post("http://httpbin.org/post", data = Map("key" -&gt; "value"))

val r = requests.put("http://httpbin.org/put", data = Map("key" -&gt; "value"))

val r = requests.delete("http://httpbin.org/delete")

val r = requests.head("http://httpbin.org/head")

val r = requests.options("http://httpbin.org/get")
</code></pre>

I am trying to issue a simple POST request to a webservice which returns some XML in Scala.

It seems that <a href="http://dispatch.databinder.net/Dispatch.html" rel="noreferrer">Dispatch</a> is the standard library used for this task, but I cannot find documentation for it. The main site, which I link above, explains at length what is a promise and how to do asynchronous programming, but does not actually document the API. There is a <a href="http://www.flotsam.nl/dispatch-periodic-table.html" rel="noreferrer">periodic table</a> - which looks a bit scary - but it only seems useful to people who already know what to do and only need a reminder for the cryptic syntax.

It also seems that <a href="http://scalaz.github.com/scalaz/scalaz-2.9.1-6.0.4/doc.sxr/scalaz/http/request/Method.scala.html" rel="noreferrer">Scalaz has some facility for HTTP</a>, but I cannot find any documentation for it either.

Doing HTTP request in Scala

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我正在尝试向一个XML服务发出一个简单的POST请求，该请求在Scala中返回一些XML。似乎是用于此任务的标准库，但我找不到它的文档。我在上面链接的主站点详细解释了什么是promise以及如何进行异步编程，但实际上并没有记录API。有一个看起来有点吓人的，但它似乎只对那些已经知道该做什么的人有用，并且只需要提醒一下隐...

问在Scala中执行HTTP请求
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