用java代码在创建hbase表时指定region的范围

 package com.liveyc.common.utils;

 import java.util.List;

 import org.apache.hadoop.hbase.util.Bytes;
 import com.liveyc.datarecover.utils.FileToHbase;
 public class NewTable {
     public static void main(String[] args) throws Exception {
         createTable("20171201","20181201");
     }
     public static void createTable(String bDate,String eDate) throws Exception{
         List<String> dateList = FileToHbase.dateList(bDate, eDate);
         byte[][] regions = new byte[dateList.size()][];
         //根据时间段获取region，新建表
         for(String d : dateList){
             regions[dateList.indexOf(d)] = Bytes.toBytes(d);
         }
         String[] family = {"Fileinfo","Archiveinfo"};
         String tableName = "view_store";
         HbaseUtils.creatTable(tableName,family ,regions);
     }
 }

  /**
      * 创建表
      * @param tableName 表名
      * @param family 列族
      * @param regions region
      * @throws Exception
      */
     public static void creatTable(String tableName, String[] family,byte[][] regions)
             throws Exception {
         HBaseAdmin admin = new HBaseAdmin(conf);
         HTableDescriptor desc = new HTableDescriptor(tableName);
         for (int i = 0; i < family.length; i++) {
             desc.addFamily(new HColumnDescriptor(family[i]));
         }
         if (admin.tableExists(tableName)) {
             System.out.println("table Exists!");
             //System.exit(0);
         } else {
             if(regions != null){
                 admin.createTable(desc,regions);
                 System.out.println("create table Success!");
             }else{
                 admin.createTable(desc);
                 System.out.println("create table Success!");
             }

         }
     }