public static void QueryAll(String tableName) {try {Table table = connection.getTable(TableName.valueOf(tableName));ResultScanner rs = table.getScanner(new Scan());for (Result r : rs) {System.out.println("获得到rowkey:" + new String(r.getRow()));for (Cell cell : r.rawCells()) {System.out.println("列：" + new String(CellUtil.cloneFamily(cell))+ "====值长度:" + cell.getValueLength()+(cell.getValueLength()<1024?"====值:"+new String(CellUtil.cloneValue(cell)):""));}}} catch (IOException e) {e.printStackTrace();}
}