上传本地文件到hdfs上

package com.yc.hadoop.hdfs;


import java.net.URI;
import java.util.Scanner;


import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.log4j.Logger;


/**
 * 上传本地文件到hdfs上
 * @company 源辰信息
 * @author navy
 */
public class Hadoop_HdfsApi07 {
private static Logger log = Logger.getLogger(Hadoop_HdfsApi07.class);  // 创建日志记录器


@SuppressWarnings("resource")
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
FileSystem fs = null;
try {
Configuration conf = new Configuration(); // 加载配置文件
URI uri = new URI("hdfs://192.168.30.130:9000/");   // 连接资源位置
fs = FileSystem.get(uri, conf); // 创建文件系统实例对象

Path uploadPath = new Path("/user/navy/"); // 上传文件保存的目录


System.out.print("请输入要上传的文件:");
Path p = new Path(input.next());

fs.copyFromLocalFile(p,uploadPath); // 上传文件到指定目录
log.debug("上传成功....");

FileStatus[] files = fs.listStatus(uploadPath);  // 列出文件
System.out.println("上传目录中的文件:");

for (FileStatus f : files) {
System.out.println("\t" + f.getPath().getName());
}
} catch (Exception e) {
log.error("hdfs操作失败!!!", e);
}
}
}

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转载自blog.csdn.net/qfxsxhfy/article/details/79672464