package cn.brent.sparkstreamming
import java.sql.{Connection, DriverManager}
import scala.collection.mutable.ArrayBuffer
object DBUntils {
  val mysqlConf = Map(
    "driver" -> "com.mysql.jdbc.Driver",
    "url" -> "jdbc:mysql://192.168.239.129:3306/spark",
    "username" -> "hive",
    "password" -> "hive"
    )
  def getMysqlConn():Connection = {
    Class.forName(mysqlConf("driver"))
    DriverManager.getConnection(mysqlConf("url"),mysqlConf("username"),mysqlConf("password"))
  }
  def getBlackList():Array[String]={
    val conn = getMysqlConn()
    val info = new ArrayBuffer[String]()
    try{
      val statement = conn.createStatement()
      val sql = "select website from blacklist"
      val resultSet = statement.executeQuery(sql)
      while(resultSet.next()){
        info += resultSet.getString("website")
      }
    }catch {
      case e : Throwable => e.printStackTrace()
    }finally {
      conn.close()
    }
    info.toArray
}
  def main(args: Array[String]): Unit = {
    val result = getBlackList()
    println(result.toBuffer)
  }
}
 
  
  
  
 
 
  
 
 
 