eclipse下开发mapreduce需要导入的jar包

1./usr/local/hadoop/share/hadoop/mapreduce下的所有jar包（子文件夹下的jar包不用）
2./usr/local/hadoop/share/hadoop/common下的hadoop-common-2.7.2.jar
3./usr/local/hadoop/share/hadoop/common/lib下的commons-cli-1.2.jar