JSP中实现数据库的增删改查

在home.jsp中查询数据库信息

<%

    //加载数据库驱动
    Class.forName("com.mysql.jdbc.Driver");
    
    //建立数据库连接
    String url = "jdbc:mysql://localhost:3306/book";
    
    Connection connection = DriverManager.getConnection(url,"root","root");
    
    //创建Statement对象
    Statement stmt = connection.createStatement();
    
    String sql = "select * from user";
    
    //执行查询 返回结果集

    ResultSet rs = stmt.executeQuery(sql);
    
    //遍历结果集数据

    while (rs.next())
    {
        out.print(rs.getString("username")+"-"+rs.getString(3)+"<br>");
    }

%>

查询结果截图

本文地址：https://blog.csdn.net/qq_48567897/article/details/108939949