public String scope() throws Exception{
ActionContext ctx = ActionContext.getContext();
ctx.getApplication().put("app", "
应用范围
");
//
往
ServletContext
里放入
app
ctx.getSession().put("ses", "session
范围
");
//
往
session
里放入
ses
ctx.put("req", "request
范围
");
//
往
request
里放入
req
return "scope";
}
JSP:
<body>
${applicationScope.app} <br>
${sessionScope.ses}<br>
${requestScope.req}<br>
</body>