在JAVA中連接Oracle數據庫(例子)
2024-08-29 13:33:05
供稿：網友
/*
* 創建日期 2005-9-27
*
* TODO 要更改此生成的文件的模板，請轉至
* 窗口 － 首選項 － java － 代碼樣式 － 代碼模板
*/
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里的表空間
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());
}
}
}
