HDFS的Java客户端操作代码(查看HDFS下所有的文件或目录)详解大数据

 1 package Hdfs; 
 2  
 3 import java.io.IOException; 
 4 import java.net.URI; 
 5 import org.apache.hadoop.conf.Configuration; 
 6 import org.apache.hadoop.fs.FileStatus; 
 7 import org.apache.hadoop.fs.FileSystem; 
 8 import org.apache.hadoop.fs.Path; 
 9  
10 public class ListFiles { 
11     public static void main(String[] args) { 
12         String uri = "hdfs://neusoft-master:9000/user"; 
13         Configuration conf = new Configuration(); 
14         try { 
15             FileSystem fs = FileSystem.get(URI.create(uri), conf); 
16             Path Path = new Path(uri); 
17             FileStatus[] status = fs.listStatus(Path); 
18             for (int i = 0; i < status.length; i++) { 
19                 System.out.println(status[i].getPath().toString()); 
20             } 
21             fs.close(); 
22         } catch (IOException e) { 
23             e.printStackTrace(); 
24         } 
25     } 
26 }