您的位置：首页 > 移动开发

struts中的DispatchAction、LookupDispatchAction、MappingDispatchAction

2007-09-30 11:13 549 查看

这里用个简单的例子来说明

index.jsp

<%@ page language="java" pageEncoding="GB18030"%>

<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic"%>
<%@ taglib uri="http://struts.apache.org/tags-tiles" prefix="tiles"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html:html lang="true">
<head>
<html:base />
<title>index.jsp</title>
</head>

<body>
DispatchAction
<ul>
<li><html:link page="/testDispatch.do?method=a">testDispatch a</html:link></li>
<li><html:link page="/testDispatch.do?method=b">testDispatch b</html:link></li>
<li><html:link page="/testDispatch.do?method=c">testDispatch c</html:link></li>
</ul>
LookupDispatchAction
<ul>
<li>
<html:form action="/testLookupDispatch.do">
<html:submit property="cmd"><bean:message key="button.a"/></html:submit>
<html:submit property="cmd"><bean:message key="button.b"/></html:submit>
</html:form>
</li>
</ul>
MappingDispatchAction
<ul>
<li><html:link page="/a.do">MappingDispatchAction a</html:link></li>
<li><html:link page="/b.do">MappingDispatchAction b</html:link></li>
</ul>
</body>
</html:html>

struts-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN" "http://struts.apache.org/dtds/struts-config_1_2.dtd">

<struts-config>
<data-sources />
<form-beans >
<form-bean name="testDispatchForm" type="com.hqh.struts.form.TestDispatchForm" />
<form-bean name="testLookupDispatchForm" type="com.hqh.struts.form.TestLookupDispatchForm" />
<form-bean name="testMappingDispatchForm" type="com.hqh.struts.form.TestMappingDispatchForm" />

</form-beans>

<global-exceptions />
<global-forwards />
<action-mappings >
<action
attribute="testDispatchForm"
input="/index.jsp"
name="testDispatchForm"
parameter="method"
path="/testDispatch"
scope="request"
type="com.hqh.struts.action.TestDispatchAction" />
<action
attribute="testLookupDispatchForm"
input="/index.jsp"
name="testLookupDispatchForm"
parameter="cmd"
path="/testLookupDispatch"
scope="request"
type="com.hqh.struts.action.TestLookupDispatchAction" />
<action
attribute="testMappingDispatchForm"
input="/index.jsp"
name="testMappingDispatchForm"
parameter="a"
path="/a"
scope="request"
type="com.hqh.struts.action.TestMappingDispatchAction" />
<action
attribute="testMappingDispatchForm"
input="/index.jsp"
name="testMappingDispatchForm"
parameter="b"
path="/b"
scope="request"
type="com.hqh.struts.action.TestMappingDispatchAction" />

</action-mappings>

<message-resources parameter="com.hqh.struts.ApplicationResources" />
</struts-config>

TestDispatchAction.java

/*
* Generated by MyEclipse Struts
* Template path: templates/java/JavaClass.vtl
*/
package com.hqh.struts.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.hqh.struts.form.TestDispatchForm;

/**
* MyEclipse Struts
* Creation date: 09-30-2007
*
* XDoclet definition:
* @struts.action path="/testDispatch" name="testDispatchForm" input="/form/testDispatch.jsp" parameter="method" scope="request" validate="true"
*/
public class TestDispatchAction extends DispatchAction {
/*
* Generated Methods
*/

/**
* Method execute
* @param mapping
* @param form
* @param request
* @param response
* @return ActionForward
*/
public ActionForward a(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
TestDispatchForm testDispatchForm = (TestDispatchForm) form;
System.out.println("TestDispatchAction-->a");
return null;
}
public ActionForward b(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
TestDispatchForm testDispatchForm = (TestDispatchForm) form;
System.out.println("TestDispatchAction-->b");
return null;
}
public ActionForward c(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
TestDispatchForm testDispatchForm = (TestDispatchForm) form;
System.out.println("TestDispatchAction-->c");
return null;
}
}

TestLookupDispatchAction.java

/*
* Generated by MyEclipse Struts
* Template path: templates/java/JavaClass.vtl
*/
package com.hqh.struts.action;

import java.util.HashMap;
import java.util.Map;

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.LookupDispatchAction;

import com.hqh.struts.form.TestLookupDispatchForm;

/**
* MyEclipse Struts
* Creation date: 09-30-2007
*
* XDoclet definition:
* @struts.action path="/testLookupDispatch" name="testLookupDispatchForm" input="/form/testLookupDispatch.jsp" parameter="cmd" scope="request" validate="true"
*/
public class TestLookupDispatchAction extends LookupDispatchAction {
/*
* Generated Methods
*/
public ActionForward a(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
TestLookupDispatchForm testLookupDispatchForm = (TestLookupDispatchForm) form;
System.out.println("TestLookupDispatchAction--a");
return null;
}
public ActionForward b(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
TestLookupDispatchForm testLookupDispatchForm = (TestLookupDispatchForm) form;
System.out.println("TestLookupDispatchAction--b");
return null;
}

@Override
protected Map getKeyMethodMap() {
Map map = new HashMap();
map.put("button.a", "a");
map.put("button.b", "b");
return map;
}
}

TestMappingDispatchAction.java

/*
* Generated by MyEclipse Struts
* Template path: templates/java/JavaClass.vtl
*/
package com.hqh.struts.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.MappingDispatchAction;
import com.hqh.struts.form.TestMappingDispatchForm;

/**
* MyEclipse Struts
* Creation date: 09-30-2007
*
* XDoclet definition:
* @struts.action path="/testMappingDispatch" name="testMappingDispatchForm" input="/form/testMappingDispatch.jsp" parameter="a" scope="request" validate="true"
*/
public class TestMappingDispatchAction extends MappingDispatchAction {
/*
* Generated Methods
*/
public ActionForward a(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
TestMappingDispatchForm testMappingDispatchForm = (TestMappingDispatchForm) form;
System.out.println("TestMappingDispatchAction-->a");
return null;
}
public ActionForward b(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
TestMappingDispatchForm testMappingDispatchForm = (TestMappingDispatchForm) form;
System.out.println("TestMappingDispatchAction-->b");
return null;
}
}

内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理

标签：

相关文章推荐

新的分享

章节导航