简单的hbase建表实例

package cn.itcast.hbase;

//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.KeyValue;
import org.apache.hadoop.hbase.TableName;

import org.apache.hadoop.hbase.client.HBaseAdmin;

//import org.apache.hadoop.hbase.client.HTablePool;

public class HBaseDemo {

    public static void main(String[] args) throws Exception {
        // TODO 自动生成的方法存根
        Configuration conf=HBaseConfiguration.create();
        //连接zookeeper
        conf.set("hbase.zookeeper.quorum", "itcast04:2181,itcast05:2181,itcast06:2181");
        //conf.set("ha.zookeeper.quorum", "192.168.80.204:2181,192.168.80.205:2181,192.168.80.206:2181");
        //获取表的对象hbaseasmin
        HBaseAdmin admin = new HBaseAdmin(conf);

        //定义表名
        HTableDescriptor htd=new HTableDescriptor(TableName.valueOf("peoples"));
        //定义表中列族1
        HColumnDescriptor hcd_info=new HColumnDescriptor("info");
        hcd_info.setMaxVersions(3);

        //第一列族2
        HColumnDescriptor hcd_data=new HColumnDescriptor("data");

        htd.addFamily(hcd_info);
        htd.addFamily(hcd_data);

        admin.createTable(htd);
        admin.close();
    }

}