jspmysql删除语句

<%@ page import="java.sql.*" %>
<%
    String url = "jdbc:mysql://localhost:3306/mydatabase";
    String username = "root";
    String password = "password";

    try {
        // 1. 建立数据库连接
        Connection conn = DriverManager.getConnection(url, username, password);

        // 2. 创建SQL语句
        String sql = "DELETE FROM mytable WHERE id = ?";

        // 3. 执行SQL语句
        PreparedStatement pstmt = conn.prepareStatement(sql);
        pstmt.setInt(1, 1); // 假设要删除id为1的记录
        int rowsDeleted = pstmt.executeUpdate();

        // 4. 处理结果
        if (rowsDeleted > 0) {
            out.println("记录删除成功！");
        } else {
            out.println("没有找到要删除的记录。");
        }

        // 关闭连接
        pstmt.close();
        conn.close();
    } catch (SQLException e) {
        out.println("数据库操作失败: " + e.getMessage());
    }
%>