connoracle.java

一个简单的分页显示java源码

package db;

import java.sql.*;

public class ConnOracle {
	String serverName = "localhost";
	String driver = "oracle.jdbc.driver.OracleDriver";
	String sConnStr = "jdbc:oracle:thin:@"+serverName+":1521:ora9";
	Connection connect = null;
	ResultSet rs = null;

	public ConnOracle() {
		try {
			Class.forName(driver); 
		}
		catch(java.lang.ClassNotFoundException e) {
			e.printStackTrace();
		}
	}
	
	public ResultSet query(String sql) {
		try {
			connect = DriverManager.getConnection(sConnStr, "scott", "tiger"); 
			Statement stmt = connect.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
			rs = stmt.executeQuery(sql);
		} 
		catch(SQLException e) { 
			e.printStackTrace();
		}
		return rs;
	}
	
	public void update(String sql) {
		try {
			connect = DriverManager.getConnection(sConnStr, "scott", "tiger"); 
			Statement stmt = connect.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
			stmt.executeUpdate(sql);
		} 
		catch(SQLException e) { 
			e.printStackTrace();
		}
	}
}