>>spark-submit --class WordCount DataMining.jar /dept_ana/part-00000 /dept_ana/output/wordCountResult --master yarn --num-executors 30 --executor-memory 4g --executor-cores 2 --name test_wordcount
--name 任务名称
/dept_ana/part-00000 程序读取的文件路径
/dept_ana/output/wordCountResult 输出的文件路径