oracleconn.java

java+oracle 完成通讯录的增删改查

package db;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class OracleConn {
	static String serverName = "localhost";

	static String sDBDriver = "oracle.jdbc.driver.OracleDriver";

	static String dbInstance = "ora9i";

	static String sConnStr = "jdbc:oracle:thin:@" + serverName + ":1521:"
			+ dbInstance;

	static String dbUser = "scott";

	static String userPwd = "tiger";

	public static Connection getConnection() {
		Connection conn = null;
		try {
			Class.forName(sDBDriver);
			conn = DriverManager.getConnection(sConnStr, dbUser, userPwd);
		} catch (ClassNotFoundException e) {

			e.printStackTrace();
		} catch (SQLException e) {

			e.printStackTrace();
		}

		return conn;

	}

	public static void closeResultSet(ResultSet rs) {
		if (rs != null) {
			try {
				rs.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}

	}

	public static void closeStatement(Statement stmt) {
		if (stmt != null) {
			try {
				stmt.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}

	}

	public static void closeConnection(Connection conn) {
		if (conn != null) {
			try {
				conn.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}

	}

	public static void main(String[] args) {

		System.out.println(getConnection());
	}
}