Spark读取mysql

import org.apache.log4j.{Level, Logger}
import org.apache.spark.sql.SparkSession

object SparkSql {
  def main(args: Array[String]): Unit ={
    Logger.getLogger("org").setLevel(Level.ERROR)
    val spark = SparkSession.builder().appName("test").master("local[2]").getOrCreate()
    val df = spark.read
      .format("jdbc")
      .option("url", "jdbc:mysql://localhost:3306/要访问的数据库名")
      .option("driver", "com.mysql.jdbc.Driver")
      .option("dbtable", "表名")
      .option("user", "用户名")
      .option("password", "密码")
      .load()

    df.show()
  }
}

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