<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <%@ page import="java.sql.*" %> <% /* String referer=response.getHeader("Referer"); //防止用户在地址栏上直接访问 if(referer==null||!referer.startsWith("detail.jsp")){ response.sendRedirect("../index.jsp"); return; } */ String k1 = request.getQueryString();//得到ID的值(id=数字). String re = "\\D+"; //正则表达式 String result = k1.replaceAll(re, ""); //找到不是数字的字符,用""替代 Connection con;Statement sql; try{Class.forName("com.mysql.jdbc.Driver"); } catch(ClassNotFoundException e){out.print("驱动异常");} try{con=DriverManager.getConnection("jdbc:mysql://localhost/db_bbs?useUnicode=true&characterEncoding=utf-8","root",""); sql=con.createStatement(); String text="update send set flag = 1 where id = '"+result+"'"; sql.executeUpdate(text); sql.close(); con.close(); out.print("成功置顶帖子"); }catch(SQLException event){out.print("置顶帖子失败");} %>