一个Action对应多个Form DispatchAction

一个Action对应多个Form

关键字: action form

  Action:

 

package
 com.awp.test.action;

import
 javax.servlet.http.HttpServletRequest;
import
 javax.servlet.http.HttpServletResponse;

import
 org.apache.struts.action.ActionForm;
import
 org.apache.struts.action.ActionForward;
import
 org.apache.struts.action.ActionMapping;
import
 org.apache.struts.actions.DispatchAction;

import
 com.awp.test.form.FirstForm;
import
 com.awp.test.form.SecondForm;

/**
 * @version 1.0
 * @author awp
 * @date 2009-4-24 上午11:25:49
 * @decription 一个Action中包含多个Form
 */
public
 
class
 MultiFormTestAction 
extends
 DispatchAction {

    /**
     * 第一个Form对应方法
     */
    public
 ActionForward firstForm(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response){
            FirstForm   beanform    =   (FirstForm)form;
            request.setAttribute("name"
, beanform.getName());
            return
 mapping.findForward(
"display"
);
    }
    /**
     *  第二个Form对应方法
     */
    public
 ActionForward secondForm(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response){
            SecondForm  beanform    =   (SecondForm)form;
            request.setAttribute("name"
, beanform.getName());
            return
 mapping.findForward(
"display"
);
    }
}

package com.awp.test.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;

import com.awp.test.form.FirstForm;
import com.awp.test.form.SecondForm;

/**
 * @version 1.0
 * @author awp
 * @date 2009-4-24 上午11:25:49
 * @decription 一个Action中包含多个Form 
 */
public class MultiFormTestAction extends DispatchAction {

	/**
	 * 第一个Form对应方法
	 */ 
	public ActionForward firstForm(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response){
			FirstForm	beanform	=	(FirstForm)form;
			request.setAttribute("name", beanform.getName());
			return mapping.findForward("display");
	}
	/**
	 *  第二个Form对应方法
	 */ 
	public ActionForward secondForm(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response){
			SecondForm	beanform	=	(SecondForm)form;
			request.setAttribute("name", beanform.getName());
			return mapping.findForward("display");
	}
}

 

 

Form:

package
 com.awp.test.form;

import
 org.apache.struts.action.ActionForm;

public
 
class
 FirstForm 
extends
 ActionForm {

    private
 String  name;

    public
 String getName() {
        return
 name;
    }

    public
 
void
 setName(String name) {
        this
.name = name;
    }

}

package com.awp.test.form;

import org.apache.struts.action.ActionForm;

public class FirstForm extends ActionForm {

	private String	name;

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

}

 

package
 com.awp.test.form;

import
 org.apache.struts.action.ActionForm;

public
 
class
 SecondForm 
extends
 ActionForm {

    private
 String  name;

    public
 String getName() {
        return
 name;
    }

    public
 
void
 setName(String name) {
        this
.name = name;
    }

}

package com.awp.test.form;

import org.apache.struts.action.ActionForm;

public class SecondForm extends ActionForm {

	private String	name;

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

}

 

 struts-cofing.xml

 

<?
xml
 
version
=
"1.0"
 
encoding
=
"UTF-8"
?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.1//EN"
"http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd
"
>
<
struts-config
>
    <
form-beans
>
        <
form-bean
 
name
=
"firstform"
 
type
=
"com.awp.test.form.FirstForm"
/>
        <
form-bean
 
name
=
"secondform"
 
type
=
"com.awp.test.form.SecondForm"
/>
    </
form-beans
>
    <
global-forwards
>
        <
forward
 
name
=
"display"
 
path
=
"/display.jsp"
/>
    </
global-forwards
>
    <
action-mappings
>
        <
action
 
path
=
"/firstpath"
                input
=
"/first.jsp"
                name
=
"firstform"
                parameter
=
"method"
                scope
=
"request"
                type
=
"com.awp.test.action.MultiFormTestAction"
/>

        <
action
 
path
=
"/secondpath"
                input
=
"/second.jsp"
                name
=
"secondform"
                parameter
=
"method"
                scope
=
"request"
                type
=
"com.awp.test.action.MultiFormTestAction"
/>
    </
action-mappings
>
    <
message-resources
 
parameter
=
"MessageResources"
 
/>
</
struts-config
>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.1//EN" 
"http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd">
<struts-config>
	<form-beans>
		<form-bean name="firstform" type="com.awp.test.form.FirstForm"/>
		<form-bean name="secondform" type="com.awp.test.form.SecondForm"/>
	</form-beans>
	<global-forwards>
		<forward name="display" path="/display.jsp"/>
	</global-forwards>
	<action-mappings>
		<action path="/firstpath"
				input="/first.jsp"
				name="firstform"
				parameter="method"
				scope="request"
				type="com.awp.test.action.MultiFormTestAction"/>
				
		<action path="/secondpath"
				input="/second.jsp"
				name="secondform"
				parameter="method"
				scope="request"
				type="com.awp.test.action.MultiFormTestAction"/>				
	</action-mappings>
	<message-resources parameter="MessageResources" /> 
</struts-config>

 

first.jsp

<
%@ page 
language
=
"java"
 
pageEncoding
=
"UTF-8"
%
>
<!doctype html public "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
"
>
<
html
>
  <
head
>
    <
title
>
我是提交第一个FORM的页面
</
title
>
  </
head
>
  <
body
>
   <
form
 
action
=
"<%=request.getContextPath()%>/firstpath.do?method=firstForm"
 
method
=
"post"
>
    <
input
 
name
=
"name"
 
value
=
""
 
type
=
"text"
/>
    <
input
 
name
=
"ok"
 
value
=
"提交"
 
type
=
"submit"
/>
   </
form
>
  </
body
>
</
html
>

<%@ page language="java" pageEncoding="UTF-8"%>
<!doctype html public "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
  <head>
    <title>我是提交第一个FORM的页面</title>
  </head>
  <body>
   <form action="<%=request.getContextPath()%>/firstpath.do?method=firstForm" method="post">
   	<input name="name" value="" type="text"/>
   	<input name="ok" value="提交" type="submit"/>
   </form>
  </body>
</html>

 

second.jsp

<
%@ page 
language
=
"java"
 
pageEncoding
=
"UTF-8"
%
>
<!doctype html public "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
"
>
<
html
>
  <
head
>
    <
title
>
我是提交第二个FORM的页面
</
title
>
  </
head
>
  <
body
>
   <
form
 
action
=
"<%=request.getContextPath()%>/secondpath.do?method=secondForm"
 
method
=
"post"
>
    <
input
 
name
=
"name"
 
value
=
""
 
type
=
"text"
/>
    <
input
 
name
=
"ok"
 
value
=
"提交"
 
type
=
"submit"
/>
   </
form
>
  </
body
>
</
html
>

<%@ page language="java" pageEncoding="UTF-8"%>
<!doctype html public "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
  <head>
    <title>我是提交第二个FORM的页面</title>
  </head>
  <body>
   <form action="<%=request.getContextPath()%>/secondpath.do?method=secondForm" method="post">
   	<input name="name" value="" type="text"/>
   	<input name="ok" value="提交" type="submit"/>
   </form>
  </body>
</html>

 

display.jsp

<
%@ page 
language
=
"java"
 
pageEncoding
=
"UTF-8"
%
>
<!doctype html public "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
"
>
<
html
>
  <
head
>
    <
title
>
显示页面
</
title
>
  </
head
>
  <
body
>
  <
br
 
/>
   表单提交的内容为：${name} <
br
 
/>
<
br
 
/>
   <
a
 
href
=
"first.jsp"
>
打开表单1
</
a
>
<
br
 
/>
<
br
 
/>
   <
a
 
href
=
"second.jsp"
>
打开表单2
</
a
>
  </
body
>
</
html
>

<%@ page language="java" pageEncoding="UTF-8"%>
<!doctype html public "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
  <head>
    <title>显示页面</title>
  </head>
  <body>
  <br />
   表单提交的内容为：${name} <br /><br />
   <a href="first.jsp">打开表单1</a><br /><br />
   <a href="second.jsp">打开表单2</a>
  </body>
</html>

 

Action必须继承DispatchAction，感觉其实一个action还是只能对应一个form

这里的方法其实是利用action的path 多个path可以指向同一个action。