Struts2: the form has multiple submit submissions.

[Step 2] submit multiple form pages with submit or use URLs on JSP pages

1. <S: Form Action = "useraction">
2. <! --
3. S: The method attribute in submit is the same as the method attribute in the Action tag in struts. XML (the method attribute specifies the method to be called ).
4. In S: Submit, you can set multiple methods for an action. In struts. XML, you can set only one method in the Action tag.
5. Of course, you can specify multiple actionnames (Action aliases) for an action in struts. xml ).
7. Summary: An Action class can correspond to multiple action aliases. Each action alias corresponds to multiple method attributes (set using the S: Submit tag ).
8. -->
9. <S: Submit value = "Enter list page"Method = "list"/>
10. <S: Submit value = "Enter the add page"Method = "add"/>
11. </S: Form>

1. <! -- Access through URL -->
2. <! -- The request parameter is used to specify the action to be executed. The format is as follows: http: // localhost: 8080/contextpath/actionname! Method. Action -->
3. Http: // localhost: 9090/tcts/user/useraction! List. Action
4. Http: // localhost: 9090/tcts/user/useraction! Add. Action

[Step 2] Action class corresponding to Form

1. Public class useraction extends actionsupport {
3. Public String list (){
4. System. out. println ("======================= this is list () method ==================== ");
5. Return "list ";
6. }
8. Public String add (){
9. System. out. println ("======================= this is add () method ==================== ");
10. Return "add ";
11. }
13. Public String queryall (){
14. Req = servletactioncontext. getrequest ();
15. Ulist = userdao. queryall ();
16. Req. getsession (). setattribute ("ulist", ulist );
17. Return success;
18. }
19. }

Step 2: struts. xml

1. <Struts>
2. <Package name = "struts" extends = "struts-Default">
4. <Action name = "useraction" class = "useraction">
5. <Result name = "list" type = "redirectaction"> useraction_queryall </result>
6. <Result name = "add">/user/user_insert.jsp </result>
7. </Action>
9. <Action name = "useraction_queryall" class = "useraction" method = "queryall">
10. <Result>/user/user_list.jsp </result>
11. </Action>
13. </Package>
14. </Struts>