/***
* 将hdfs上的文件下载到本地系统上1.0版本
*/
package itcast;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.URI;
import java.URISyntaxException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IOUtils;
public class HDFSDemo {
public static void main(String[] args) throws IOException, URISyntaxException {
// TODO Auto-generated method stub
FileSystem fs = FileSystem.get(new URI("hdfs://itcast01:9000"), new Configuration());
InputStream in = fs.open(new Path("/Demo"));
OutputStream out = new FileOutputStream("E://Demo");
IOUtils.copy发布者：admin，转转请注明出处：http://www.yc00.com/web/1740324478a4229284.html
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