<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %> <% String username=chStr.chStr(request.getParameter("username")); ResultSet rs=conn.executeQuery("select * from tb_member where username='"+username+"'"); %> <% if(rs.next()){ %> <%}else{%> <%}%>

<%out.println("很报歉! ["+username+"]用户名已经被注册!");%>

<%out.println("祝贺您! ["+username+"]用户名没有被注册!");%>