北京北大青鳥學(xué)校學(xué)術(shù)部：Java如何使用JDBC3.0連接數(shù)據(jù)庫

本章節(jié)由北京北大青鳥學(xué)校學(xué)術(shù)部講師提供：

package com.jspbbs.util;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class ConnectionManager {
 private static final String DRIVER = "com.microsoft.sqlserver.jdbc.SQLServerDriver";
 private static final String URL = "jdbc:sqlserver://localhost:1433;DatabaseName=數(shù)據(jù)庫名稱";
 private static final String USER = "用戶名";
 private static final String PASS = "密碼";

 /**
  * 獲取數(shù)據(jù)庫連接對(duì)象（北京北大青鳥學(xué)校）
  *
  * @return
  */
 public static Connection getConnection() {
  Connection connection = null;
  try {
   Class.forName(DRIVER);
   connection = DriverManager.getConnection(URL, USER, PASS);
  } catch (SQLException e) {
   e.printStackTrace();
  } catch (ClassNotFoundException e) {
   e.printStackTrace();
  }
  return connection;
 }

 /**
  * 關(guān)閉數(shù)據(jù)庫相關(guān)對(duì)象
  * @param conn 數(shù)據(jù)庫連接對(duì)象
  * @param ps Statement對(duì)象
  * @param resultSet 數(shù)據(jù)庫結(jié)果集（北京北大青鳥學(xué)校）
  */
 public static void closeAll(Connection conn, Statement ps,
   ResultSet resultSet) {
  try {
   if(resultSet!=null){
    resultSet.close();
   }
   if(ps!=null){
    ps.close();
   }
   if(conn!=null && !conn.isClosed()){
    conn.close();
   }
   
  } catch (SQLException e) {
   e.printStackTrace();
  }
 }

}
北京北大青鳥學(xué)校