pyspark 读写csv、json文件

from pyspark import SparkContext,SparkConf
import os
from pyspark.sql.session import SparkSession

def CreateSparkContex():
	sparkconf=SparkConf().setAppName("MYPRO").set("spark.ui.showConsoleProgress","false")
	sc=SparkContext(conf=sparkconf)
	print("master:"+sc.master)
	sc.setLogLevel("WARN")
	Setpath(sc)
	spark = SparkSession.builder.config(conf=sparkconf).getOrCreate()
	return sc,spark

def Setpath(sc):
	global Path
	if sc.master[:5]=="local":
		Path="file:/C:/spark/sparkworkspace"
	else:
		Path="hdfs://test"

if __name__=="__main__":
	print("Here we go!\n")
	sc,spark=CreateSparkContex()
	readcsvpath=os.path.join(Path,'iris.csv')
	readjspath=os.path.join(Path,'fd.json')

	outcsvpath=os.path.join(Path,'write_iris.csv')
	outjspath=os.path.join(Path,'write_js.json')

	dfcsv=spark.read.csv(readcsvpath,header=True)
	dfjs=spark.read.json(readjspath)
	#df.write.csv(outcsvpath)
	#df.write.json(outjspath)
	dfcsv.show(3)
	dfjs.show(3)
	sc.stop()
	spark.stop()