Hadoop简单示例之创建文件夹

其中一段简单的编码；

 

其中搭建Hadoop环境要比现在这段代码要复杂得多了。

 

/*
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 * and open the template in the editor.
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package com.xiva.baseKnowledge;

import java.io.IOException;
import java.net.URI;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IOUtils;

/**
 *
 * @author Xiva
 */
public class HadoopMain {

    public static void createFloder(){
        String uri = "hdfs://localhost:8889/xiva";//args[0];
        Configuration conf = new Configuration();
        //
        //conf.set("hadoop.job.ugi", "xiva, 123");
        //
        
        FileSystem fs = null;
        try {
            Path path = new Path(uri);
            fs = FileSystem.get(URI.create(uri), conf);
            //fs.delete(path, true);
            fs.mkdirs(path);
        } catch (IOException e) {
            // TODO Auto-generated catch block
        } finally {
            IOUtils.closeStream(fs);
        }
    }
    
    
    public static void main(String[] args) {
        
//        String queryString = " WHERE e.value.\"passtime\" <= $1";
//        String q = queryString.replaceFirst("\\$1","2012-04-25");
//        System.out.println(q);
        
    }
}

 放下好久了，希望以后还有研究的机会。