<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%
//得到URL
String URL = (request.getRequestURL() + "").replace(request
.getRequestURI(), "")
+ request.getContextPath();
String messageId = request.getParameter("messageId");
%>
输入Email相关字符自动提示Email地址
Email
在输入框中输入“qq”、“Sina”、“163”等等可以看到效果