spark 常用技巧总结

解析url

scala> import java.net.URL
import java.net.URL

scala> val urlstr="http://www.baidu.com:8899/getUsername?userid=110&sysId=552"

urlstr: String = http://www.baidu.com:8899/getUsername?userid=110&sysId=552

scala> val aa=new URL(urlstr)

aa: java.net.URL = http://www.baidu.com:8899/getUsername?userid=110&sysId=552

scala> aa.getHost
res262: String = www.baidu.com

scala> aa.getPort
res263: Int = 8899

scala> aa.getPath
res264: String = /getUsername

spark 常用技巧总结

原文：https://www.cnblogs.com/playforever/p/9244684.html