blocks|key|215413|text|下面的库可以帮助您使用查询字符串参数解析和构建URL(免责声明:这是我自己的库)：https://github.com/lemonlabsuk/scala-uri|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|215414|它提供了一个DSL，用于构建带有查询字符串的URL：|215415|val+uri+=+"http://example.com"+?+("one"+->+1)+&+("two"+->+2)|code-block|syntax|javascript|215416|您可以解析uri并将参数放入Map[String,List[String]]中，如下所示：|style|CODE|215417|val+uri+=+parseUri("http://example.com?one=1&two=2").query.params|215418|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/lemonlabsuk/scala-uri^0|15|14|0|0|0|0|E|O|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@$A|Z|B|10|1|11]]|C|$]]|$1|D|3|E|5|6|7|12|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|13|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|14|8|@$A|15|B|16|M|N]]|9|@]|C|$]]|$1|O|3|P|5|H|7|17|8|@]|9|@]|C|$I|J]]|$1|Q|3|-4|5|6|7|18|8|@]|9|@]|C|$]]]|R|$S|$5|T|U|V|C|$W|X]]]]

The following library can help you parse and build URLs with query string parameters (Disclaimer: This is my own library): <a href="https://github.com/lemonlabsuk/scala-uri" rel="nofollow noreferrer">https://github.com/lemonlabsuk/scala-uri</a>

It provides a DSL for building URLs with query strings:

<pre><code>val uri = "http://example.com" ? ("one" -&gt; 1) &amp; ("two" -&gt; 2)
</code></pre>

You can parse a uri and get the parameters into a <code>Map[String,List[String]]</code> like so:

<pre><code>val uri = parseUri("http://example.com?one=1&amp;two=2").query.params
</code></pre>

blocks|key|215438|text|席恩的图书馆看起来很不错。但是如果你只是想要一个快速的编码方法，我有这个方法。它处理可选参数，还将识别来自spray-json的JsValues，并在编码前紧凑地打印它们。(这恰好是我必须担心的两件事，但您可以很容易地扩展match块，以便对其他需要特殊处理的情况进行处理)|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|215439|import+java.net.URLEncoder
def+buildEncodedQueryString(params:+Map[String,+Any]):+String+=+{
++val+encoded+=+for+{
++++(name,+value)+<-+params+if+value+!=+None
++++encodedValue+=+value+match+{
++++++case+Some(x:JsValue)+=>+URLEncoder.encode(x.compactPrint,+"UTF8")
++++++case+x:JsValue+++++++=>+URLEncoder.encode(x.compactPrint,+"UTF8")
++++++case+Some(x)+++++++++=>+URLEncoder.encode(x.toString,+"UTF8")
++++++case+x+++++++++++++++=>+URLEncoder.encode(x.toString,+"UTF8")
++++}
++}+yield+name+%2B+"="+%2B+encodedValue

++encoded.mkString("?",+"&",+"")
}|code-block|syntax|javascript|215440|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/spray/spray-json^0|1H|A|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

Theon's library looks pretty nice. But if you just want a quickie encode method, I have this one. It deals with optional parameters, and also will recognize JsValues from <a href="https://github.com/spray/spray-json" rel="nofollow" title="spray-json">spray-json</a> and compact print them before encoding. (Those happen to be the two things I have to worry about, but you could easily extend the match block for other cases you want to give special handling to)

<pre><code>import java.net.URLEncoder
def buildEncodedQueryString(params: Map[String, Any]): String = {
 val encoded = for {
 (name, value) &lt;- params if value != None
 encodedValue = value match {
 case Some(x:JsValue) =&gt; URLEncoder.encode(x.compactPrint, "UTF8")
 case x:JsValue =&gt; URLEncoder.encode(x.compactPrint, "UTF8")
 case Some(x) =&gt; URLEncoder.encode(x.toString, "UTF8")
 case x =&gt; URLEncoder.encode(x.toString, "UTF8")
 }
 } yield name + "=" + encodedValue

 encoded.mkString("?", "&amp;", "")
}
</code></pre>

blocks|key|215451|text|Spray有一个非常efficient+URI+parser的特性。用法如下：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|215452|import+spray.http.Uri
val+uri+=+Uri("http://example.com/test?param=param")|code-block|syntax|javascript|215453|您可以这样设置查询参数：|215454|uri+withQuery+("param2"+->+"2",+"param3"+->+3")|215455|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/spray/spray/blob/master/spray-http/src/main/scala/spray/http/Uri.scala^0|A|K|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]]|C|$]]|$1|D|3|E|5|F|7|Y|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|Z|8|@]|9|@]|C|$]]|$1|K|3|L|5|F|7|10|8|@]|9|@]|C|$G|H]]|$1|M|3|-4|5|6|7|11|8|@]|9|@]|C|$]]]|N|$O|$5|P|Q|R|C|$S|T]]]]

Spray has a very <a href="https://github.com/spray/spray/blob/master/spray-http/src/main/scala/spray/http/Uri.scala">efficient URI parser</a>. Usage is like so:

<pre><code>import spray.http.Uri
val uri = Uri("http://example.com/test?param=param")
</code></pre>

You can set the query params like so:

<pre><code>uri withQuery ("param2" -&gt; "2", "param3" -&gt; 3")
</code></pre>

blocks|key|215463|text|派单还没有被提及。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|215464|https://dispatchhttp.org/Defining%2Brequests.html|offset|length|215465|val+myRequest+=+host("somehost.com")+/+"some"+/+"path"+<<?+Map("id"+->+"12345")|code-block|syntax|javascript|215466|entityMap|0|LINK|mutability|MUTABLE|url|https://dispatchhttp.org/Defining%2Brequests.html^0|0|0|1B|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@$D|U|E|V|1|W]]|A|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|A|$I|J]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

Dispatch hasn't been mentioned yet.
<a href="https://dispatchhttp.org/Defining+requests.html" rel="nofollow noreferrer">https://dispatchhttp.org/Defining+requests.html</a>
<pre><code>val myRequest = host(&quot;somehost.com&quot;) / &quot;some&quot; / &quot;path&quot; &lt;&lt;? Map(&quot;id&quot; -&gt; &quot;12345&quot;)
</code></pre>

blocks|key|215474|text|也很有用：https://github.com/mobiworx/urlifier|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|215475|val+url+=+(http+%7C%7C+"some-domain".de)+?+german+&+version(1)+&+foobar
url.toString|code-block|syntax|javascript|215476|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/mobiworx/urlifier^0|5|10|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

also useful: <a href="https://github.com/mobiworx/urlifier" rel="nofollow">https://github.com/mobiworx/urlifier</a>

<pre><code>val url = (http || "some-domain".de) ? german &amp; version(1) &amp; foobar
url.toString
</code></pre>

blocks|key|215498|text|试试KFoundation的URL类。它既是构建器又是解析器。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|215499|例如。|215500|val+url1+=+URL("http://exampel.net/path")
val+url2+=+url1/"subpath"++++++++//+->+http://exampel.net/path/subpath
val+url3+=+url2?("key"->"value")+//+->+http://exampel.net/path/subpath?key=value|code-block|syntax|javascript|215501|接口文档：https://mscp.co/resouces/apidoc/kfoundation/scala/0.3/net/kfoundation/scala/io/URL.html依赖：https://search.maven.org/artifact/net.kfoundation/kfoundation-scala_2.13/0.3.1/jar|offset|length|215502|entityMap|0|LINK|mutability|MUTABLE|url|https://mscp.co/resouces/apidoc/kfoundation/scala/0.3/net/kfoundation/scala/io/URL.html|1|https://search.maven.org/artifact/net.kfoundation/kfoundation-scala_2.13/0.3.1/jar^0|0|0|0|5|2F|0|2N|2A|1|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]|$K|13|L|14|1|15]]|A|$]]|$1|M|3|-4|5|6|7|16|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|T]]|U|$5|P|Q|R|A|$S|V]]]]

Try KFoundation's URL class. It is both a builder and a parser.
E.g.
<pre><code>val url1 = URL(&quot;http://exampel.net/path&quot;)
val url2 = url1/&quot;subpath&quot; // -&gt; http://exampel.net/path/subpath
val url3 = url2?(&quot;key&quot;-&gt;&quot;value&quot;) // -&gt; http://exampel.net/path/subpath?key=value
</code></pre>
API Doc: <a href="https://mscp.co/resouces/apidoc/kfoundation/scala/0.3/net/kfoundation/scala/io/URL.html" rel="nofollow noreferrer">https://mscp.co/resouces/apidoc/kfoundation/scala/0.3/net/kfoundation/scala/io/URL.html</a>
Dependency: <a href="https://search.maven.org/artifact/net.kfoundation/kfoundation-scala_2.13/0.3.1/jar" rel="nofollow noreferrer">https://search.maven.org/artifact/net.kfoundation/kfoundation-scala_2.13/0.3.1/jar</a>

In Scala how do I build up a URL with query string parameters programmatically?

Also how can I parse a <code>String</code> containing a URL with query string parameters into a structure that allows me to edit the query string parameters programmatically?

Scala - URL with Query String Parser and Builder DSL

在Scala中，如何以编程方式构建带有查询字符串参数的URL？另外，如何将包含带有查询字符串参数的String的URL解析为允许我以编程方式编辑查询字符串参数的结构？

问Scala -带有查询字符串解析器和生成器DSL的URL
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