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)
}
}