1、 ActionMethod：Action執行的時候並不一定要執行execute方法，可以在配置文件中配置action的時候用“method”屬性來指定執行哪個方法，也可以在url地址中動態指定（動態方法調用DMI）Struts.xml文件的配置：
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<constant name="struts.devMode" value="true" />
<package name="user" extends="struts-default" namespace="/user">
<action name="userAdd" class="com.bjsxt.struts2.user.action.UserAction" method="add">
<result>/user_add_success.jsp</result>
</action>
<action name="user" class="com.bjsxt.struts2.user.action.UserAction">
<result>/user_add_success.jsp</result>
<result name="delete">/user_delete_success.jsp</result>
</action>
</package>
</struts>
Index.jsp頁面的內容：
<?xml version="1.0" encoding="GB18030" ?>
<%@ page language="java" contentType="text/html;
charset=GB18030"
pageEncoding="GB18030"%>
<% String context = request.getContextPath(); %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html;
charset=GB18030" />
<title>Insert title here</title>
</head>
<body>
<a href="<%=context
%>/user/userAdd">添加用戶</a><br />
<a href="<%=context
%>/user/user!add">添加用戶</a><br />
<a href="<%=context
%>/user/user!delete">刪除用戶</a><br />
</body>
</html>
UserAction的內容：
package com.bjsxt.struts2.user.action;
import com.opensymphony.xwork2.ActionSupport;
public class UserAction extends ActionSupport
{
public String
add() {
return SUCCESS;
}
public String
delete(){
return "delete";
}
}
2、 使用通配符
Strtus.xml文件的配置
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<constant name="struts.devMode" value="true" />
<package name="actions" extends="struts-default" namespace="/actions">
<action name="Student*" class="com.bjsxt.struts2.action.StudentAction" method="{1}">
<result>/Student{1}_success.jsp</result>
</action>
<action name="*_*" class="com.bjsxt.struts2.action.{1}Action" method="{2}">
<result>/{1}_{2}_success.jsp</result>
</action>
</package>
</struts>
Action的內容：
public class CourseAction extends ActionSupport
{
public String
add() {
return SUCCESS;
}
public String
delete() {
return SUCCESS;
}
}
public class StudentAction extends ActionSupport
{
public String
add() {
return SUCCESS;
}
public String
delete() {
return SUCCESS;
}
}
public class TeacherAction extends ActionSupport
{
public String
add() {
return SUCCESS;
}
public String
delete() {
return SUCCESS;
}
}
Index.jsp頁面的內容：
<?xml version="1.0" encoding="GB18030" ?>
<%@ page language="java" contentType="text/html;
charset=GB18030"
pageEncoding="GB18030"%>
<%String context = request.getContextPath();%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html;
charset=GB18030" />
<title>Insert title here</title>
</head>
<body>
使用通配符，將配置量降到最低<br />
<a href="<%=context%>/actions/Studentadd">添加學生</a>
<a href="<%=context%>/actions/Studentdelete">刪除學生</a><br
/>
不過，一定要遵守"約定優於配置"的原則<br />
<a href="<%=context%>/actions/Teacher_add">添加老師</a>
<a href="<%=context%>/actions/Teacher_delete">刪除老師</a>
<a href="<%=context%>/actions/Course_add">添加課程</a>
<a href="<%=context%>/actions/Course_delete">刪除課程</a>
</body>
</html>
相應的jsp頁面有：
Course_add_seccess.jsp
Course_delete_success.jsp
Teacher_add_seccess.jsp
Teacher_delete_success.jsp
Studentadd_success.jsp
Studentdelete_success.jsp
struts2的action方法匹配以及通配符的使用
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