java 操作hbase1.2

说明：
.第一部分为代码
.第二部分为工程pom文件

[java] view plain copy
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.*;
import org.apache.hadoop.hbase.client.*;
import org.apache.hadoop.hbase.util.Bytes;  

import java.io.IOException;  

/**
 * Created by xuemin on 15/9/28.
 */
public class HBaseTest {  

    public static Configuration configuration;
    public static Connection connection;
    public static Admin admin;  

    public static void main(String[] args) throws IOException {
        createTable("t2",new String[]{"cf1","cf2"});
        insterRow("t2", "rw1", "cf1", "q1", "val1");
        getData("t2", "rw1", "cf1", "q1");
        scanData("t2", "rw1", "rw2");
        deleRow("t2","rw1","cf1","q1");
        deleteTable("t2");
    }  

    //初始化链接
    public static void init(){
        configuration = HBaseConfiguration.create();
        configuration.set("hbase.zookeeper.quorum","10.10.3.181,10.10.3.182,10.10.3.183");
        configuration.set("hbase.zookeeper.property.clientPort","");
        configuration.set("zookeeper.znode.parent","/hbase");  

        try {
            connection = ConnectionFactory.createConnection(configuration);
            admin = connection.getAdmin();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }  

    //关闭连接
    public static  void close(){
        try {
            if(null != admin)
                admin.close();
            if(null != connection)
                connection.close();
        } catch (IOException e) {
            e.printStackTrace();
        }  

    }  

    //建表
    public static void createTable(String tableNmae,String[] cols) throws IOException {  

        init();
        TableName tableName = TableName.valueOf(tableNmae);  

        if(admin.tableExists(tableName)){
            System.out.println("talbe is exists!");
        }else {
            HTableDescriptor hTableDescriptor = new HTableDescriptor(tableName);
            for(String col:cols){
                HColumnDescriptor hColumnDescriptor = new HColumnDescriptor(col);
                hTableDescriptor.addFamily(hColumnDescriptor);
            }
            admin.createTable(hTableDescriptor);
        }
        close();
    }  

    //删表
    public static void deleteTable(String tableName) throws IOException {
        init();
        TableName tn = TableName.valueOf(tableName);
        if (admin.tableExists(tn)) {
            admin.disableTable(tn);
            admin.deleteTable(tn);
        }
        close();
    }  

    //查看已有表
    public static void listTables() throws IOException {
        init();
        HTableDescriptor hTableDescriptors[] = admin.listTables();
        for(HTableDescriptor hTableDescriptor :hTableDescriptors){
            System.out.println(hTableDescriptor.getNameAsString());
        }
        close();
    }  

    //插入数据
    public static void insterRow(String tableName,String rowkey,String colFamily,String col,String val) throws IOException {
        init();
        Table table = connection.getTable(TableName.valueOf(tableName));
        Put put = new Put(Bytes.toBytes(rowkey));
        put.addColumn(Bytes.toBytes(colFamily), Bytes.toBytes(col), Bytes.toBytes(val));
        table.put(put);  

        //批量插入
       /* List<Put> putList = new ArrayList<Put>();
        puts.add(put);
        table.put(putList);*/
        table.close();
        close();
    }  

    //删除数据
    public static void deleRow(String tableName,String rowkey,String colFamily,String col) throws IOException {
        init();
        Table table = connection.getTable(TableName.valueOf(tableName));
        Delete delete = new Delete(Bytes.toBytes(rowkey));
        //删除指定列族
        //delete.addFamily(Bytes.toBytes(colFamily));
        //删除指定列
        //delete.addColumn(Bytes.toBytes(colFamily),Bytes.toBytes(col));
        table.delete(delete);
        //批量删除
       /* List<Delete> deleteList = new ArrayList<Delete>();
        deleteList.add(delete);
        table.delete(deleteList);*/
        table.close();
        close();
    }  

    //根据rowkey查找数据
    public static void getData(String tableName,String rowkey,String colFamily,String col)throws  IOException{
        init();
        Table table = connection.getTable(TableName.valueOf(tableName));
        Get get = new Get(Bytes.toBytes(rowkey));
        //获取指定列族数据
        //get.addFamily(Bytes.toBytes(colFamily));
        //获取指定列数据
        //get.addColumn(Bytes.toBytes(colFamily),Bytes.toBytes(col));
        Result result = table.get(get);  

        showCell(result);
        table.close();
        close();
    }  

    //格式化输出
    public static void showCell(Result result){
        Cell[] cells = result.rawCells();
        for(Cell cell:cells){
            System.out.println("RowName:"+new String(CellUtil.cloneRow(cell))+" ");
            System.out.println("Timetamp:"+cell.getTimestamp()+" ");
            System.out.println("column Family:"+new String(CellUtil.cloneFamily(cell))+" ");
            System.out.println("row Name:"+new String(CellUtil.cloneQualifier(cell))+" ");
            System.out.println("value:"+new String(CellUtil.cloneValue(cell))+" ");
        }
    }  

    //批量查找数据
    public static void scanData(String tableName,String startRow,String stopRow)throws IOException{
        init();
        Table table = connection.getTable(TableName.valueOf(tableName));
        Scan scan = new Scan();
        //scan.setStartRow(Bytes.toBytes(startRow));
        //scan.setStopRow(Bytes.toBytes(stopRow));
        ResultScanner resultScanner = table.getScanner(scan);
        for(Result result : resultScanner){
            showCell(result);
        }
        table.close();
        close();
    }
}
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.</modelVersion>  

    <groupId>td</groupId>
    <artifactId>hbase_test</artifactId>
    <version>1.0</version>  

    <properties>
        <project.build.sourceEncoding>UTF-</project.build.sourceEncoding>
       <!-- <hadoop.version>2.6.-cdh5.4.5</hadoop.version>-->
        <hbase.version>1.1.</hbase.version>
    </properties>  

    <dependencies>
        <dependency>
            <groupId>org.apache.hbase</groupId>
            <artifactId>hbase-client</artifactId>
            <version>${hbase.version}</version>
        </dependency>
    </dependencies>  

</project>  

转处：http://blog.csdn.net/rkjava/article/details/48789683