D:\Develop tools\spark-2.2.0-bin-hadoop2.7\bin>pyspark2.cmd
'tools\spark-2.2.0-bin-hadoop2.7\bin\..\jars""\' 不是内部或外部命令，也不是可运
行的程序
或批处理文件。
Failed to find Spark jars directory.
You need to build Spark before running this program.
错误原因：路径中含有空格（D:\Develop tools\spark-2.2.0-bin-hadoop2.7\bin的Develop tools中间有空格）