<% ???String path = request.getContextPath(); ???String basePath = request.getScheme() + "://" ???????????+ request.getServerName() + ":" + request.getServerPort() ???????????+ path + "/";%>
使用
<%=basePath %>
jsp笔记----jsp常用的的获取项目的根路径
原文地址：http://www.cnblogs.com/tk55/p/7542310.html