在JAVA中连接Oracle数据库(例子)
类别: JAVA教程 
* TODO 要更改此生成的文件的模板，请转至
* 窗口 － 首选项 － Java － 代码样式 － 代码模板
*/
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());
}
}
}
* 窗口 － 首选项 － Java － 代码样式 － 代码模板
*/
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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