云服务器jsp连接数据库

<%@ page import="java.sql.*" %>
<%
    String url = "jdbc:mysql://your_database_host:3306/your_database_name";
    String username = "your_username";
    String password = "your_password";
    Connection conn = null;
    Statement stmt = null;
    ResultSet rs = null;
    try {
        Class.forName("com.mysql.jdbc.Driver");
        conn = DriverManager.getConnection(url, username, password);
        stmt = conn.createStatement();
        rs = stmt.executeQuery("SELECT * FROM your_table_name");
        while (rs.next()) {
            // 处理查询结果
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (rs != null) rs.close();
            if (stmt != null) stmt.close();
            if (conn != null) conn.close();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
%>