【scala】 scala xml 处理(⑨)

1.scala 处理xml

2. 获取属性

3.修改节点

4.遍历

5.模式匹配

6.命名空间

7.文件加载

 

import scala.xml._

/**
  * @author xwolf
  * @since 1.8
  */
object Xml {

  def main(a:Array[String]):Unit={
     //dubboXml()
    //createXml()
    loadXml()
  }


  def createXml():Unit={
    //xml 定义
    //直接写出xml ,scala 直接转为内嵌的Elem
    val xml = <xml version="1.0" encoding="UTF-8">
      <appid>wx2421b1c4370ec43b</appid>
      <attach>支付测试</attach>
      <body>APP支付测试</body>
      <!-- 商户号信息-->
      <mch_id key="BJ">10000100</mch_id>
      <nonce_str strType="random">1add1a30ac87aa2db72f57a2375d8fec</nonce_str>
      <notify_url>http://wxpay.wxutil.com/pub_v2/pay/notify.v2.php</notify_url>
      <out_trade_no><![CDATA[1415659990]]></out_trade_no>
      <spbill_create_ip><![CDATA[14.23.150.211]]></spbill_create_ip>
      <total_fee>1</total_fee>
      <trade_type>APP</trade_type>
      <sign>0CB01533B8C1EF103065174F50BCA001</sign>
    </xml>
    println(xml)
    //获取指定节点
    val mch_id = xml\\"mch_id"
    println(mch_id)
    //取出内容
    println(mch_id.text)
    //获取属性信息
    val k= mch_id\@"key"
    println(k)

    val vsn =xml.attribute("version").getOrElse()
    println(vsn)
    //将属性信息转化为map
    val ats = xml.attributes.asAttrMap
    println(ats)

    //查找元素信息
    val no = xml.child.find(s => s.text.equals("1415659990")).get
    println(no)
    println( no.text)

    //修改属性
    val s = xml % Attribute(null,"version","10.32",Null)
    println(s)
    println("********遍历*******")
    each(xml)

  }

  def each(p:Elem):Unit={
    //遍历子节点信息
    for(e <- p.child){
      matchs(e)
    }
  }
  //模式匹配
  def matchs (n:Node):Unit = {
      n  match {
      case <li>{_}</li> => println("li:"+n)
      //文本匹配
      case <total_fee>{Text(t)}</total_fee> => println("totalFee:"+t)
      case _  => println("未匹配："+n)
    }
  }

  def dubboXml():Unit={
    val config = <beans xmlns="http://www.springframework.org/schema/beans"
                        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                        xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
                        xsi:schemaLocation="http://www.springframework.org/schema/beans
               http://www.springframework.org/schema/beans/spring-beans.xsd
                 http://code.alibabatech.com/schema/dubbo
                  http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
      <dubbo:application name="hello-world-app"  />

      <dubbo:protocol name="jms">
        <dubbo:parameter key="queue" value="http://10.20.160.198/wiki/display/dubbo/10.20.31.22" />
      </dubbo:protocol>
      <dubbo:registry address="multicast://224.5.6.7:1234" />
      <dubbo:protocol name="dubbo" port="20880" />
      <dubbo:service interface="com.alibaba.dubbo.demo.DemoService" ref="demoServiceLocal" />
      <dubbo:reference id="demoServiceRemote" interface="com.alibaba.dubbo.demo.DemoService" />
    </beans>
    //获取命名空间
    val namespace =config.namespace
    println(namespace)
    //获取指定前缀的命名空间
    val dubbo=config.getNamespace("dubbo")
    println(dubbo)

    val registry = config\"registry"
    println(registry)
    println(registry\@"address")
  }

  def loadXml(): Unit ={
    val xml=XML.loadFile("E:\\tools\\apache-tomcat-8.5.12_idea_1\\conf\\server.xml")
    println(xml)
  }

}

　　

posted @ 2017-05-05 15:11  snow__wolf  阅读(313)  评论(0)    收藏  举报