connoracle.java

本人制作的运用Struts技术的联系项目 员工管理系统

package com.my.struts.db;

import java.sql.*;

public class ConnOracle {
	String serverName = "192.168.0.64";
	String sDBDriver = "oracle.jdbc.driver.OracleDriver";
	String sConnStr = "jdbc:oracle:thin:@"+serverName+":1521:dhc";
	Connection connect = null;
	ResultSet rs = null;

	public ConnOracle() {
		try {
			Class.forName(sDBDriver); 
		}
		catch(java.lang.ClassNotFoundException e) {
			System.err.println( e.getMessage());
		}
	}
	
	public ResultSet executeQuery(String sql) {
		try {
			connect = DriverManager.getConnection(sConnStr, "captain", "secret"); 
			Statement stmt = connect.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
			rs = stmt.executeQuery(sql);
		} 
		catch(SQLException ex) { 
			System.err.println(ex.getMessage());
		}
		return rs;
	}
	
	public int executeUpdate(String sql) {
		int result = 0;
		try {
			connect = DriverManager.getConnection(sConnStr, "captain", "secret"); 
			Statement stmt = connect.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
			result = stmt.executeUpdate(sql);
		} 
		catch(SQLException ex) { 
			System.err.println(ex.getMessage());
		}
		return result;
	}
	public void close(){
			try {
		connect.close();
		} 
		catch(SQLException ex) { 
			System.err.println(ex.getMessage());
		}
		
	}
}