import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
/***
 * @author 
 */
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;

public class DeleteFolder {

    public static void main(String[] args) throws URISyntaxException, IOException, InterruptedException {
        Configuration conf=new Configuration();
           //注意修改为自己的IP
           URI uri=new URI("hdfs://192.168.1.100:9000");
           FileSystem fs=FileSystem.get(uri,conf,"hadoop");
         //删除目录，如果是空的路径，可以忽略第二个参数
          fs.delete(new Path("/user/hadoop/ccqq/qq/"),true); 
          /**
           * /user/hadoop/ccqq/qq
           * /user/hadoop/ccqq/qq/    二者无区别，效果均同
           */
    }

}