六十五、Spark-综合案例(搜狗搜索日志分析)_spark搜狗搜索引擎日志下载

<dependency>
<groupId>com.hankcs</groupId>
<artifactId>hanlp</artifactId>
<version>portable-1.7.7</version>
</dependency>

package org.example.spark
 
import com.hankcs.hanlp.HanLP
import org.apache.spark.rdd.RDD
import org.apache.spark.{SparkConf, SparkContext}
import shapeless.record
import spire.std.tuples
 
import scala.collection.immutable.StringOps
import scala.collection.mutable
 
/**
 * Author tuomasi
 * Desc 需求:对SougouSearchLog进行分词并统计如下指标:
 * 1.热门搜索词
 * 2.用户热门搜索词(带上用户id)
 * 3.各个时间段搜索热度
 */
object SougouSearchLogAnalysis {
  def main(args: Array[String]): Unit = {
    //TODO 0.准备环境
    val conf: SparkConf = new SparkConf().setAppName("spark").setMaster("local[*]")
    val sc: SparkContext = new SparkContext(conf)
    sc.setLogLevel("WARN")
    //TODO 1.加载数据
    val lines: RDD[String] = sc.textFile("data/input/SogouQ.sample")
 
    //TODO 2.处理数据
    //封装数据
    val SogouRecordRDD: RDD[SogouRecord] = lines.map(line => { //map是一个进去一个出去
      val arr: Array[String] = line.split("\\s+")
      SogouRecord(
        arr(0),
        arr(1),
        arr(2),
        arr(3).toInt,
        arr(4).toInt,
        arr(5)
      )
    })
 
    //切割数据
    /* val wordsRDD0: RDD[mutable.Buffer[String]] = SogouRecordRDD.map(record => {
       val wordsStr: String = record.queryWords.replaceAll("\\[|\\]", "") //360安全卫士
       import scala.collection.JavaConverters._ //将Java集合转为scala集合
       HanLP.segment(wordsStr).asScala.map(_.word) //ArrayBuffer(360, 安全卫士)
     })*/
 
    val wordsRDD: RDD[String] = SogouRecordRDD.flatMap(record => { //flatMap是一个进去,多个出去(出去之后会被压扁) //360安全卫士==>[360, 安全卫士]
      val wordsStr: String = record.queryWords.replaceAll("\\[|\\]", "") //360安全卫士
      import scala.collection.JavaConverters._ //将Java集合转为scala集合
      HanLP.segment(wordsStr).asScala.map(_.word) //ArrayBuffer(360, 安全卫士)
    })
 
    //TODO 3.统计指标
    //--1.热门搜索词
    val result1: Array[(String, Int)] = wordsRDD
      .filter(word => !word.equals(".") && !word.equals("+"))
      .map((_, 1))
      .reduceByKey(_ + _)
      .sortBy(_._2, false)
      .take(10)
 
    //--2.用户热门搜索词(带上用户id)
    val userIdAndWordRDD: RDD[(String, String)] = SogouRecordRDD.flatMap(record => { //flatMap是一个进去,多个出去(出去之后会被压扁) //360安全卫士==>[360, 安全卫士]
      val wordsStr: String = record.queryWords.replaceAll("\\[|\\]", "") //360安全卫士
      import scala.collection.JavaConverters._ //将Java集合转为scala集合
      val words: mutable.Buffer[String] = HanLP.segment(wordsStr).asScala.map(_.word) //ArrayBuffer(360, 安全卫士)
      val userId: String = record.userId
      words.map(word => (userId, word))
    })
    val result2: Array[((String, String), Int)] = userIdAndWordRDD
      .filter(t => !t._2.equals(".") && !t._2.equals("+"))
      .map((_, 1))
      .reduceByKey(_ + _)
      .sortBy(_._2, false)
      .take(10)
 
    //--3.各个时间段搜索热度
    val result3: Array[(String, Int)] = SogouRecordRDD.map(record => {
      val timeStr: String = record.queryTime
      val hourAndMitunesStr: String = timeStr.substring(0, 5)
      (hourAndMitunesStr, 1)
    }).reduceByKey(_ + _)
      .sortBy(_._2, false)
      .take(10)
 
    //TODO 4.输出结果
    result1.foreach(println)
    result2.foreach(println)
    result3.foreach(println)
 
    //TODO 5.释放资源
    sc.stop()
  }
  //准备一个样例类用来封装数据
 
  /**
   * 用户搜索点击网页记录Record
   *
   * @param queryTime  访问时间，格式为：HH:mm:ss
   * @param userId     用户ID
   * @param queryWords 查询词
   * @param resultRank 该URL在返回结果中的排名
   * @param clickRank  用户点击的顺序号
   * @param clickUrl   用户点击的URL
   */
  case class SogouRecord(
                          queryTime: String,
                          userId: String,
                          queryWords: String,
                          resultRank: Int,
                          clickRank: Int,
                          clickUrl: String
                        )
}