Question

struts2标签怎么取出request中的值

#request['msg']、#request.msg、request.msg这些都不管用，怎么取？
action里面是这么放进去的：ActionContext.getContext().put("msg","测试");

Answer 1

String str=ActionContent.getContent().get("msg")

Answer 2

%{#request.msg}

Answer 3

<s:property value="msg"/>