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一、应用1.show def show1(ss:SparkSession):Unit={ val df=ss.read.json("E:\\data\\spark\\dataframe\\test\\read\\people.json") df.show() }2.select def select1(ss:SparkSession):Unit={ val df=ss.read.json("E:\\data\\spark\\dataframe\\test\\read

Scala版本：Scala version 2.10.5Spark版本：Spark version2.1.0import org.apache.spark.sql.SQLContextimport org.apache.spark.{SparkConf, SparkContext}object DataFrameTest { def main(args:Array[Stri...