在JAVA中连接Oracle数据库(例子)

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*/
package person.fane.test;

import java.sql.*;

/**
* A JDBC test application for Oracle
* @author Fane
* @version 1.0.0
* @since JDK1.4
*/
public class OracleTest {
    private final String oracleDriverName = “oracle.jdbc.driver.OracleDriver”;

    //以下使用的Test就是Oracle里的表空间
    private final String oracleUrlToConnect =”jdbc:oracle:thin:@192.168.0.36:1521:Test”;
    private Connection myConnection = null;
    /**
    * To load the jdbc driver
    *
    */
    public OracleTest()
    {
        try
        {
            Class.forName(oracleDriverName);
        }catch(ClassNotFoundException ex)
        {
            System.out.println(getErrorMessage(ex,”The Driver loaded error,please contact to your Software Designer!”).toString());
        }
    }

    public StringBuffer getErrorMessage(Exception ex,String alarmMessage)
    {
        StringBuffer errorStringBuffer = new StringBuffer();
        errorStringBuffer.append(alarmMessage);
        errorStringBuffer.append(ex.getMessage());
        return errorStringBuffer;
    }

    /**
    * getConnection method
    * @return Connection
    */
    public Connection getConnection()
    {
        try
        {
            this.myConnection = DriverManager.getConnection(oracleUrlToConnect,”Fane”,”201″);

        }catch(Exception ex)
        {
            System.out.println(getErrorMessage(ex,”Can not get connection,please contact to your Software Designer!”).toString());
        }

        return this.myConnection;

    }

    /**
    * @param args
    */
    public static void main(String[] args) {
        OracleTest myOracleTest = new OracleTest();
        try
        {
            Connection myConnection = myOracleTest.getConnection();

            System.out.println(“Now begin to excute………….”);

            PreparedStatement myPreparedStatement = myConnection.prepareStatement(“select area_id, area_name,ip_address,tel,area_type,pc_id from c_area_info”);
            //myPreparedStatement.setInt(1,2);
            ResultSet myResultSet = myPreparedStatement.executeQuery();
            StringBuffer myStringBuffer = new StringBuffer();

            while(myResultSet.next())
            {

                myStringBuffer.append(myResultSet.getInt(“area_id”)+” “);
                myStringBuffer.append(myResultSet.getString(“area_name”)+” “);
                myStringBuffer.append(myResultSet.getString(“ip_address”)+” “);
                myStringBuffer.append(myResultSet.getString(“tel”)+” “);
                myStringBuffer.append(myResultSet.getInt(“area_type”)+” “);
                myStringBuffer.append(myResultSet.getInt(“pc_id”)+”/n”);
            }
            System.out.println(myStringBuffer.toString());
            //System.out.println(new String(myStringBuffer.toString().getBytes(“ISO-8859-1″),”GBK”));
        }catch(Exception ex)
        {
            System.out.println(myOracleTest.getErrorMessage(ex,”Application error,please contact to your Software Designer!”).toString());
        }

}

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