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1、修改E:\apache-tomcat-7.0.77\conf\server.xml文件
2、项目中java代码编写:
HttpSession session = request.getSession();//session.setAttribute("userId", user.getUserId());ServletContext ContextA =session .getServletContext();ContextA.setAttribute("userId", user.getUserId() );
HttpSession sessionB = request.getSession();ServletContext ContextA= sessionB.getServletContext().getContext("/huike-yc-manager");// 这里面传递的是 WebappA的虚拟路径 System.out.println("userId: "+ContextA.getAttribute("userId"));
参考:
http://blog.csdn.net/jayyanzi/article/details/46561509