connoracle.java

来自「海鲜超市管理系统包括收入管理部门管理等模块」· Java 代码 · 共 47 行

package db;

import java.sql.*;

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

	public ConnOracle() {
		try {
			Class.forName(sDBDriver); 
		}
		catch(java.lang.ClassNotFoundException e) {
			System.err.println( e.getMessage());
		}
	}
	
	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 ex) { 
			System.err.println(ex.getMessage());
		}
		return rs;
	}
	
	public int update(String sql) {
		int result = 0;
		try {
			connect = DriverManager.getConnection(sConnStr, "scott", "tiger"); 
			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;
	}
	
}