大数据学习之hadoop——05HDFS文件系统JavaAPI

向集群传文件

package hdfs;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.junit.Test;

public class HDFSAPI {
    
    
    @Test
    public void testHdfsConn() throws Exception {
    
    
       Configuration conf = new Configuration();
        //FileSystem fs = FileSystem.get(new URI("hdfs://node101:9000"), conf, "bduser101");
        FileSystem fs = FileSystem.get(conf);
        System.out.println(fs);
        fs.copyFromLocalFile(new Path("file:///E:/study/2020BigData/CentOS-6.5-x86_64-bin-DVD1to2/CentOS-6.5-x86_64-bin-DVD1to2/4D0F5C9F9E606BCB1808BB33E36794DB9E8407E3.torrent"), new Path("hdfs://node101:9000/animal/tager/test11.txt"));


       /* Configuration conf = new Configuration();
        FileSystem fs = FileSystem.get(new URI("hdfs://aliyun:9000"), conf, "bduser");
        //FileSystem fs = FileSystem.get(conf);
        System.out.println(fs);
        fs.copyFromLocalFile(new Path("file:///E:/study/2020BigData/CentOS-6.5-x86_64-bin-DVD1to2/CentOS-6.5-x86_64-bin-DVD1to2/4D0F5C9F9E606BCB1808BB33E36794DB9E8407E3.torrent"), new Path("hdfs://aliyun:9000/animals/tiger/test8.txt"));
*/

        fs.close();
    }
}