Hbase条件筛选

public static void main(String[] args) throws Exception{
    //创建HBase连接
    Configuration conf = HBaseConfiguration.create();
    //设定需要查询的表
    HTable table = new HTable(conf,"EVENT_LOG_LBS_HIS");
    Scan scan = new Scan();
    //设定模糊时间戳
    String startStr = "-20160530";
    //使用Hbase内置过滤器
     scan.setFilter(findCount(startStr));
  
    ResultScanner rowscan = table.getScanner(scan);
    int i = 1;
    //遍历结果
    for(Result rs : rowscan){
        System.out.println("第" + i + "条： rowkey= " + Bytes.toString(rs.getRow()));
    i++;
    //根据结果行中某一列的值，进行条件筛选
    String aaa = Bytes.toString(rs.getValue("f1".getBytes(),"LS_channel_type".getBytes()));
    if(aaa.equals("2"){
        System.out.println(Bytes.toString(rs.getRow()));
    }
    }

  public static FilterList findCount(String startstr){
      Filter filter = new RowFilter(CompareFilter.CompareOp.GREATER_OR_EQUAL,new RegexStringComparator(startstr));
  return filter;  
}