Struts2-学习笔记系列(7)-PreResultListener

 1 public String execute() throws Exception {
 2 
 3     ActionInvocation invocation = ActionContext
 4 
 5             .getContext().getActionInvocation();
 6 
 7 
 8 
 9     invocation.addPreResultListener(new PreResultListener() {
10 
11         public void beforeResult(ActionInvocation invocation,
12 
13                                  String resultCode) {
14 
15             System.out.println("返回的逻辑视图名字为："
16 
17                     + resultCode);
18 
19             // 在返回Result之前加入一个额外的数据。
20 
21             invocation.getInvocationContext().put("extra"
22 
23                     , new java.util.Date() + "由"
24 
25                             + resultCode + "逻辑视图名转入");
26 
27             // 也可加入日志等
28 
29         }
30 
31     });
32 
33 
34 
35 
36 
37     return SUCCESS;
38 
39 }