Hbase counter计数器

创建表名和列族名

create 't1','cf'

 

初始化counter为1 或 让counter+1

incr 't1','row1','cf:no',1

 

获取counter

get 't1','row1','cf:no'

 

获取counter

get_counter 't1','row1','cf:no'

 

	@Test
	public  void testCounter() throws Exception{
		Table table = conn.getTable(TableName.valueOf("t1"));
		long counter = table.incrementColumnValue(Bytes.toBytes("row1"), Bytes.toBytes("cf"), Bytes.toBytes("no"), 1);
		System.out.println(counter);
		table.close();
	}