HbaseClient

//1.添加依赖
<dependencies>
        <dependency>
            <groupId>org.apache.hbase</groupId>
            <artifactId>hbase-server</artifactId>
            <version>2.2.4</version>
        </dependency>

        <dependency>
            <groupId>org.apache.hbase</groupId>
            <artifactId>hbase-client</artifactId>
            <version>2.2.4</version>
        </dependency>

    </dependencies>

　　

//连接
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.client.ConnectionFactory;

import java.io.IOException;
import java.net.URISyntaxException;

public class ConnectionUtil {

    public static Connection getConn() throws IOException, URISyntaxException {

       Configuration conf= HBaseConfiguration.create();
        conf.set("hbase.zookeeper.property.clientPort", "2181");
        conf.set("hbase.zookeeper.quorum","hadoop");
/*
        conf.addResource(new Path(ClassLoader.getSystemResource("hbase-site.xml").toURI()));
        conf.addResource(new Path(ClassLoader.getSystemResource("core-site.xml").toURI()));
*/
        Connection connection=ConnectionFactory.createConnection(conf);
        return connection;
    }
    public static void close(Connection conn) throws IOException {
        if(null!=conn)
            conn.close();
    }
}

　　

package hbase;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.*;
import org.apache.hadoop.hbase.util.Bytes;
import java.io.IOException;
public class DataUtil {
    public static Table getTable(Connection conn,String tablename,String namespace) throws IOException {
        TableName tableName1=TableName.valueOf(namespace,tablename);
        return conn.getTable(tableName1);

    }
    public static void put(Connection conn,String tablename,String namespace,String rowkey,String cf,String lie,String value) throws IOException {

        Table table=getTable(conn,tablename,namespace);

        Put put = new Put(Bytes.toBytes(rowkey));

        put.addColumn(Bytes.toBytes(cf),Bytes.toBytes(lie),Bytes.toBytes(value));

        table.put(put);

        table.close();
    }
    public static void get(Connection conn,String tablename,String namespace,String rowkey) throws IOException {

        Table table=getTable(conn,tablename,namespace);

        Get get = new Get(Bytes.toBytes(rowkey));

        Result result=table.get(get);

        if(result!=null){
            Cell[] cells=result.rawCells();
            for (Cell cell :cells){
                String row =Bytes.toString(CellUtil.cloneRow(cell));
                String family =Bytes.toString(CellUtil.cloneFamily(cell));
                String qualifier =Bytes.toString(CellUtil.cloneQualifier(cell));
                String value =Bytes.toString(CellUtil.cloneValue(cell));
                System.out.println(String.format("行：%s  列族: %s  列名:  %s 值: %s",row,family,qualifier,value));
            }


        }
        table.close();
    }

}