简单窗口与hbase数据库相连

package shangke;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;

import shangke.ExampleForHbase;

import javax.swing.*;

public class test extends JFrame 
{
    //控件
    JLabel jb1 = new JLabel();
    JTextField platName = new JTextField(15);
    JLabel jb2 = new JLabel();
    JTextField platNumber = new JTextField(15);
    JLabel jb3=new JLabel();
    JTextField date = new JTextField(15);
    JLabel jb4=new JLabel();
    JTextField number = new JTextField(15);
    JLabel jb5=new JLabel();
    JTextField tec = new JTextField(15);
    //定义
    FlowLayout flow = new FlowLayout();
    JTextArea jt1 = new JTextArea();
    JButton button = new JButton();
    JButton button1 = new JButton();
    JButton button2 = new JButton();
    JButton button3 = new JButton();
    public test()
    {
        try 
        {
            jbInit();
        } 
        catch (Exception e) 
        {
            e.printStackTrace();
        }
    }

    private void jbInit()throws Exception 
    {
        setSize(new Dimension(260,200));
        getContentPane().setLayout(flow);
        jb1.setText("平台名称");
        platName.setText("");
        jb2.setText("平台编号");
        platNumber.setText("");
        jb3.setText("批准年月");
        date.setText("");
        jb4.setText("批准文号");
        number.setText("");
        jb5.setText("技术领域");
        tec.setText("");
        jt1.setText("");
        button.setText("插入");
        button1.setText("删除");
        button2.setText("修改");
        button3.setText("查询");
        button.addActionListener(new test_jButton1_actionAdapter(this));
        button1.addActionListener(new test_jButton2_actionAdapter(this));
        button2.addActionListener(new test_jButton3_actionAdapter(this));
        button3.addActionListener(new test_jButton4_actionAdapter(this));
        this.getContentPane().add(jb1);
        this.getContentPane().add(platName);
        this.getContentPane().add(jb2);
        this.getContentPane().add(platNumber);
        this.getContentPane().add(jb3);
        this.getContentPane().add(date);
        this.getContentPane().add(jb4);
        this.getContentPane().add(number);
        this.getContentPane().add(jb5);
        this.getContentPane().add(tec);
        this.getContentPane().add(button);
        this.getContentPane().add(button1);
        this.getContentPane().add(button2);
        this.getContentPane().add(button3);

    }

    public static void main(String[] args) 
    {
        test test=new test();
        test.setVisible(true);
    }
}

class test_jButton1_actionAdapter implements ActionListener
{
    private test adaptee;
    test_jButton1_actionAdapter(test adaptee)
    {
        this.adaptee=adaptee;
    }
    public void actionPerformed(ActionEvent e) 
    {
        SwingUtilities.invokeLater(new Runnable()
        {
                public void run() 
                {
                    try 
                    {
                        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
                    } 
                    catch (Exception e2) 
                    {
                        e2.printStackTrace();
                    }
                    String platName=adaptee.platName.getText();
                    String platNumber=adaptee.platNumber.getText();
                    //adaptee.jt1.setText("您的用户名是："+username+"您的输入密码是："+String.valueOf(pwd));
                    String date=adaptee.date.getText();
                    String number=adaptee.number.getText();
                    String tec=adaptee.tec.getText();
                    try 
                    {
                        ExampleForHbase.insertRow("Test", "1", "platName", "", platName);
                        ExampleForHbase.insertRow("Test", "1", "platNumber", "", platNumber);
                        ExampleForHbase.insertRow("Test", "1", "date", "", date);
                        ExampleForHbase.insertRow("Test", "1", "number", "", number);
                        ExampleForHbase.insertRow("Test", "1", "tec", "", tec);
                        JOptionPane.showMessageDialog(adaptee,"插入成功");
                    } 
                    catch (IOException e) 
                    {
                        e.printStackTrace();
                    }
                }

        });
    }
}
//delete
class test_jButton2_actionAdapter implements ActionListener
{
    private test adaptee;
    test_jButton2_actionAdapter(test adaptee)
    {
        this.adaptee=adaptee;
    }
    public void actionPerformed(ActionEvent e) 
    {
        SwingUtilities.invokeLater(new Runnable()
        {
                public void run() 
                {
                    try 
                    {
                        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
                    } 
                    catch (Exception e2) 
                    {
                        e2.printStackTrace();
                    }
                    String str=JOptionPane.showInputDialog("请输入要删除的平台编号");
                    try 
                    {
                        ExampleForHbase.deleteRow("Test", "1", "", "");
                        JOptionPane.showMessageDialog(adaptee,"删除成功");
                    } 
                    catch (IOException e) 
                    {
                        e.printStackTrace();
                    }
                }

        });
    }
}
//update
class test_jButton3_actionAdapter implements ActionListener
{
    private test adaptee;
    test_jButton3_actionAdapter(test adaptee)
    {
        this.adaptee=adaptee;
    }
    public void actionPerformed(ActionEvent e) 
    {
        SwingUtilities.invokeLater(new Runnable()
        {
                public void run() 
                {
                    try 
                    {
                        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
                    } 
                    catch (Exception e2) 
                    {
                        e2.printStackTrace();
                    }
                    String str=JOptionPane.showInputDialog("请输入要修改的平台编号");
                    try 
                    {
                        if(ExampleForHbase.getData("Test", "1", "platName", "")!=null)
                        {
                            ExampleForHbase.deleteRow("Test", "1", "", "");
                            String str1=JOptionPane.showInputDialog("请输入要修改的平台编号");
                            String str2=JOptionPane.showInputDialog("请输入要修改的平台名称");
                            String str3=JOptionPane.showInputDialog("请输入要修改的批准年月");
                            String str4=JOptionPane.showInputDialog("请输入要修改的批准文号");
                            String str5=JOptionPane.showInputDialog("请输入要修改的技术领域");
                            ExampleForHbase.insertRow("Test", "1", "platName", "", str1);
                            ExampleForHbase.insertRow("Test", "1", "platNumber", "", str2);
                            ExampleForHbase.insertRow("Test", "1", "date", "", str3);
                            ExampleForHbase.insertRow("Test", "1", "number", "", str4);
                            ExampleForHbase.insertRow("Test", "1", "tec", "", str5);
                            JOptionPane.showMessageDialog(adaptee,"修改成功");
                        }
                        else
                        {
                            JOptionPane.showMessageDialog(adaptee,"所要修改的不存在");
                        }
                    } 
                    catch (IOException e) 
                    {
                        e.printStackTrace();
                    }
                }

        });
    }
}
//select
class test_jButton4_actionAdapter implements ActionListener
{
    private test adaptee;
    test_jButton4_actionAdapter(test adaptee)
    {
        this.adaptee=adaptee;
    }
    public void actionPerformed(ActionEvent e) 
    {
        SwingUtilities.invokeLater(new Runnable()
        {
                public void run() 
                {
                    try 
                    {
                        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
                    } 
                    catch (Exception e2) 
                    {
                        e2.printStackTrace();
                    }
                    try 
                    {
                        String str=JOptionPane.showInputDialog("请输入要查询的平台编号");
                        
                        String platName=ExampleForHbase.getData("Test", "1", "platName", "");
                        String platNumber=ExampleForHbase.getData("Test", "1", "platNumber", "");
                        String date=ExampleForHbase.getData("Test", "1", "date", "");
                        String number=ExampleForHbase.getData("Test", "1", "number", "");
                        String tec=ExampleForHbase.getData("Test", "1", "tec", "");
                        if(platName==null)
                        {
                            JOptionPane.showMessageDialog(adaptee,"查询为空");
                        }
                        else
                        {
                        JOptionPane.showMessageDialog(adaptee,"平台名称:"+platName+"
平台编号:"+platNumber+"
批准年月:"+date+"
批准文号:"+number+"
技术领域:"+tec);
                        }
                    } 
                    catch (IOException e) 
                    {
                        e.printStackTrace();
                    }
                }

        });
    }
}

package shangke;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.*;
import org.apache.hadoop.hbase.client.*;
import java.io.IOException;
 
public class ExampleForHbase{
    public static Configuration configuration;
    public static Connection connection;
    public static Admin admin;
 
    //主函数中的语句请逐句执行，只需删除其前的//即可，如：执行insertRow时请将其他语句注释
    public static void main(String[] args)throws IOException{
        //创建一个表，表名为Score，列族为sname,course
        //createTable("Test",new String[]{"platName","platNumber","date","number","tec"});
 
        //在Score表中插入一条数据，其行键为95001,sname为Mary（因为sname列族下没有子列所以第四个参数为空）
        //等价命令：put 'Score','95001','sname','Mary'
        //insertRow("Score", "95001", "sname", "", "Mary");
        //在Score表中插入一条数据，其行键为95001,course:Math为88（course为列族，Math为course下的子列）
        //等价命令：put 'Score','95001','score:Math','88'
        //insertRow("Score", "95001", "course", "Math", "88");
        //在Score表中插入一条数据，其行键为95001,course:English为85（course为列族，English为course下的子列）
        //等价命令：put 'Score','95001','score:English','85'
        //insertRow("Score", "95001", "course", "English", "85");
 
        //1、删除Score表中指定列数据，其行键为95001,列族为course，列为Math
        //执行这句代码前请deleteRow方法的定义中，将删除指定列数据的代码取消注释注释，将删除制定列族的代码注释
        //等价命令：delete 'Score','95001','score:Math'
        //deleteRow("Score", "95001", "course", "Math");
 
        //2、删除Score表中指定列族数据，其行键为95001,列族为course（95001的Math和English的值都会被删除）
        //执行这句代码前请deleteRow方法的定义中，将删除指定列数据的代码注释，将删除制定列族的代码取消注释
        //等价命令：delete 'Score','95001','score'
        //deleteRow("Score", "95001", "course", "");
 
        //3、删除Score表中指定行数据，其行键为95001
        //执行这句代码前请deleteRow方法的定义中，将删除指定列数据的代码注释，以及将删除制定列族的代码注释
        //等价命令：deleteall 'Score','95001'
        //deleteRow("Score", "95001", "", "");
 
        //查询Score表中，行键为95001，列族为course，列为Math的值
        //getData("Score", "95001", "course", "Math");
        //查询Score表中，行键为95001，列族为sname的值（因为sname列族下没有子列所以第四个参数为空）
        getData("Test", "1", "tec", "");
 
        //删除Score表
        //deleteTable("Score");
   }
 
    //建立连接
    public static void init(){
        configuration  = HBaseConfiguration.create();
        configuration.set("hbase.rootdir","hdfs://192.168.180.128:9000/hbase");
        try{
            connection = ConnectionFactory.createConnection(configuration);
            admin = connection.getAdmin();
        }catch (IOException e){
            e.printStackTrace();
        }
    }
    //关闭连接
    public static void close(){
        try{
            if(admin != null){
                admin.close();
            }
            if(null != connection){
                connection.close();
            }
        }catch (IOException e){
            e.printStackTrace();
        }
    }
 
    /**
     * 建表。HBase的表中会有一个系统默认的属性作为主键，主键无需自行创建，默认为put命令操作中表名后第一个数据，因此此处无需创建id列
     * @param myTableName 表名
     * @param colFamily 列族名
     * @throws IOException
     */
    public static void createTable(String myTableName,String[] colFamily) throws IOException {
 
        init();
        TableName tableName = TableName.valueOf(myTableName);
 
        if(admin.tableExists(tableName)){
            System.out.println("talbe is exists!");
        }else {
            HTableDescriptor hTableDescriptor = new HTableDescriptor(tableName);
            for(String str:colFamily){
                HColumnDescriptor hColumnDescriptor = new HColumnDescriptor(str);
                hTableDescriptor.addFamily(hColumnDescriptor);
            }
            admin.createTable(hTableDescriptor);
            System.out.println("create table success");
        }
        close();
    }
    /**
     * 删除指定表
     * @param tableName 表名
     * @throws IOException
     */
    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
     * @throws IOException
     */
    public static void listTables() throws IOException {
        init();
        HTableDescriptor hTableDescriptors[] = admin.listTables();
        for(HTableDescriptor hTableDescriptor :hTableDescriptors){
            System.out.println(hTableDescriptor.getNameAsString());
        }
        close();
    }
    /**
     * 向某一行的某一列插入数据
     * @param tableName 表名
     * @param rowKey 行键
     * @param colFamily 列族名
     * @param col 列名（如果其列族下没有子列，此参数可为空）
     * @param val 值
     * @throws IOException
     */
    public static void insertRow(String tableName,String rowKey,String colFamily,String col,String val) throws IOException {
        init();
        Table table = connection.getTable(TableName.valueOf(tableName));
        Put put = new Put(rowKey.getBytes());
        put.addColumn(colFamily.getBytes(), col.getBytes(), val.getBytes());
        table.put(put);
        table.close();
        close();
    }
 
    /**
     * 删除数据
     * @param tableName 表名
     * @param rowKey 行键
     * @param colFamily 列族名
     * @param col 列名
     * @throws IOException
     */
    public static void deleteRow(String tableName,String rowKey,String colFamily,String col) throws IOException {
        init();
        Table table = connection.getTable(TableName.valueOf(tableName));
        Delete delete = new Delete(rowKey.getBytes());
        //删除指定列族的所有数据
        //delete.addFamily(colFamily.getBytes());
        //删除指定列的数据
        //delete.addColumn(colFamily.getBytes(), col.getBytes());
 
        table.delete(delete);
        table.close();
        close();
    }
    /**
     * 根据行键rowkey查找数据
     * @param tableName 表名
     * @param rowKey 行键
     * @param colFamily 列族名
     * @param col 列名
     * @throws IOException
     */
    public static String getData(String tableName,String rowKey,String colFamily,String col)throws  IOException{
        String str = null;
        init();
        Table table = connection.getTable(TableName.valueOf(tableName));
        Get get = new Get(rowKey.getBytes());
        get.addColumn(colFamily.getBytes(),col.getBytes());
        Result result = table.get(get);
        showCell(result);
        Cell[] cells = result.rawCells();
        for(Cell cell:cells)
        {
            str=new String(CellUtil.cloneValue(cell),"UTF-8");
        }
        table.close();
        close();
        return str;
    }
    /**
     * 格式化输出
     * @param result
     */
    public static void showCell(Result result)
    {
        Cell[] cells = result.rawCells();
        for(Cell cell:cells){
            System.out.println(new String(CellUtil.cloneValue(cell))+" ");
        }
    }
}