下面是给出最常用的JSP链接数据库方法。现将代码记录如下:(jar包必须要有)
<%@page contentType="text/html;charset=utf-8" import="java.sql.*%> <% String driver = "com.mysql.jdbc.Driver"; String url = "jdbc:mysql://localhost:3306/web"; //数据库web String user = "root"; String password = "root"; try { Class.forName(driver); Connection conn = DriverManager.getConnection(url, user, password); if(!conn.isClosed()) out.println("数据库连接成功!"); conn.close(); } catch(ClassNotFoundException e) { out.println("找不到驱动程序"); e.printStackTrace(); } catch(SQLException e) { e.printStackTrace(); } %>
<%@page contentType="text/html;charset=utf-8" import="java.sql.*"%> <% String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver"; //加载JDBC驱动 String dbURL = "jdbc:sqlserver://localhost:1433; DatabaseName=web"; //连接服务器和数据库 webString userName = "sa"; //默认用户名 String userPwd = "sa"; //密码 Connection dbConn; try { Class.forName(driverName); dbConn = DriverManager.getConnection(dbURL, userName, userPwd); out.println( "Connection Successful! "); //如果连接成功 页面输出} catch (Exception e) { e.printStackTrace(); } %>
青岛星网温馨提醒:千万不要随意更改SQLSERVER数据库的IP地址,更别没事用双IP啊,说多了都是眼泪