hbase客户端api--建表

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package os.hbase.index;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.MasterNotRunningException;import org.apache.hadoop.hbase.TableName;import org.apache.hadoop.hbase.ZooKeeperConnectionException;import org.apache.hadoop.hbase.client.HBaseAdmin;public class HbaseDaoDemo {    public static void main(String[] args) throws MasterNotRunningException, ZooKeeperConnectionException, IOException {        //Configuration conf = new Configuration();        Configuration conf = HBaseConfiguration.create();        conf.set("hbase.zookeeper.quorum","os-1:2181,os-2:2181,os-3:2181");        //DDL操作用的客户端对象        HBaseAdmin hBaseAdmin = new HBaseAdmin(conf);        TableName cart = TableName.valueOf("cart");        //构建表的描述对象        HTableDescriptor desc = new HTableDescriptor(cart);        //在表描述对象中封装所必须指定的信息        HColumnDescriptor hColumnDescriptor = new HColumnDescriptor("product");        HColumnDescriptor goods = new HColumnDescriptor("goods");        //保存的版本数量        hColumnDescriptor.setMaxVersions(3);        goods.setMaxVersions(2);        //指定列族        desc.addFamily(hColumnDescriptor);        desc.addFamily(goods);        //通过hBaseAdmin客户端将表描述对象所描述的表在hbase集群中创建出来        hBaseAdmin.createTable(desc);        hBaseAdmin.close();    }}
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