使用Java操作HBase-第1关：创建表

package step1;

import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.Admin;
import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;
import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.client.ConnectionFactory;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.client.ResultScanner;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.client.TableDescriptor;
import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
import org.apache.hadoop.hbase.util.Bytes;

/**
 * @author FancyKing
 */
public class Task{

    public void createTable()throws Exception{
        /********* Begin *********/
        Configuration config = HBaseConfiguration.create();
        Connection connection = ConnectionFactory.createConnection(config);
        Admin admin = connection.getAdmin();
        TableName tableName = TableName.valueOf("dept");
        TableDescriptorBuilder tableDescriptor =
            TableDescriptorBuilder.newBuilder(tableName);
        ColumnFamilyDescriptor family =
            ColumnFamilyDescriptorBuilder.newBuilder(Bytes.toBytes("data")).build();
        tableDescriptor.setColumnFamily(family);
        admin.createTable(tableDescriptor.build());
        TableName tableName2 = TableName.valueOf("emp");
        TableDescriptorBuilder tableDescriptor2 =
            TableDescriptorBuilder.newBuilder(tableName2);
        ColumnFamilyDescriptor family2 =
            ColumnFamilyDescriptorBuilder.newBuilder(Bytes.toBytes("data")).build();
        tableDescriptor2.setColumnFamily(family2);
        admin.createTable(tableDescriptor2.build());

        /********* End *********/
    }
}