request.setAttribute不起作用 [英] request.setAttribute is not working

问题描述

我已经在jsp中设置了一个请求并提交了表单.
而且我在action类中得到了值，但是我在action中得到了空值.

我的代码是:
Mainjsp.jsp

I have set a request in jsp and submitted the form.
And I get the value in action class,but im getting null value in action.

My code is:
Mainjsp.jsp

<%request.setAttribute("dispatch", "add");%>

Action.java

Action.java

request.getAttribute("dispatch");

请帮忙.
在此先感谢您.

Please help in this.
Thanks in advance.

推荐答案

本文应为您提供有关实现方法的帮助:
getAttribute()请求对象的方法 [

This article should help you out on how this is implemented:
getAttribute() Method Of The Request Object[^]

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