2.2

创建DataFrames

数据

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{"id":"1","name":"zhangsan","age":"12"}
{"id":"2","name":"lisi","age":"12"}
{"id":"3","name":"wangwu","age":"12"}

代码

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object SparkSqlDemo {

  def main(args: Array[String]): Unit = {

    //创建Spark配置对象
    val conf = new SparkConf().setMaster("local[4]").setAppName("MyApp");

    val spark = SparkSession
      .builder()
      .appName("Spark SQL basic example")
      .config(conf)
      .getOrCreate()

    val df = spark.read.json("/Users/opensource/dev-problem/source/people_sample_json.json");
    df.show()

  }

}