<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <%@ page import="com.alibaba.fastjson.JSONObject"%> <% JSONObject jo = null; String openid = null; if(request.getSession().getAttribute("openidAndAccessToken") != null){ jo = (JSONObject)request.getSession().getAttribute("openidAndAccessToken"); if(jo != null) openid = jo.getString("openid"); } String accessToken = null; if(request.getAttribute("access_token") != null){ accessToken = request.getAttribute("access_token"); } %>
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title><%=openid %></title> <script type="text/javascript"> var openid = "<%=openid %>"; var accessToken = "<%=accessToken %>";
....
</script> </head> <body> <p>openid:<%=openid %></p> <p>openid:<%=accessToken %></p> </body> </html>
如上述代码所示，js访问 jsp 页面的值，需要使用双引号：var openid = "<%=openid %>"
而在页面显示则不需要使用引号：<p>openid:<%=openid %></p>