spark-RDD写入数据库

result.foreachPartition(
  it => {
    var url = "jdbc:mysql://地址/库名?characterEncoding=utf8"
    val conn = DriverManager.getConnection(url, "user", "password")
    val pstat = conn.prepareStatement("INSERT IGNORE INTO `表名 (`geo_hash`, `month_sale`, `mark_size`) VALUES (?, ?,?)")
    for (obj <- it) {
      pstat.setString(1, obj._1)
      pstat.setInt(2, obj._2)
      pstat.setInt(3, obj._3)
      pstat.addBatch
    }
    try {
      pstat.executeBatch
    } finally {
      pstat.close
      conn.close
    }
  }
)