Struts 2.0的Action讲解

<% @ page contentType = " text/html; charset=UTF-8 " %>
<% @ taglib prefix = " s " uri = " /struts-tags " %>
< html >
< head >
< title > Hello World! </ title >
</ head >
< body >
< h2 >< s:property value ="message" /></ h2 >
</ body >
</ html >
例1 HelloWorld.jsp


package tutorial;




import java.text.DateFormat;


import java.util.Date;




import com.opensymphony.xwork2.ActionSupport;






public class HelloWorld extends ActionSupport {


private String message;






public String getMessage() {


return message;


}




@Override




public String execute() {


message = " Hello World, Now is " + DateFormat.getInstance().format( new Date());


return SUCCESS;


}


}
ｒｅｔｕｒｎ有五个值

例1 classes/tutorial/HelloWorld.java

<package name="**"> 是URL 不是哪个包

< package name ="ActionDemo" extends ="struts-default" >
< action name ="HelloWorld" class ="tutorial.HelloWorld" >
< result > /HelloWorld.jsp </ result >
</ action >
</ package >