springMVC3集成DWR3

springMVC集成DWR:
参考:
http://www.iteye.com/topic/209008
http://stevenfeng.iteye.com/blog/816010

集成DWR之前，先做Spring MVC和Hibernate整合的例子:http://panyongzheng.iteye.com/blog/1228193
然后在这个基础之上整合DWR：

1.到http://directwebremoting.org/dwr/downloads/index.html下载最新的dwr.jar,这里是使用dwr3.然后放到WEB-INF/lib下面去。
同时找到commons-logging.jar,DwrSpringAnnotations.jar这两个包,并放到lib下面去,去掉没必要的包:去掉cglib-2.2.jar，
保留com.springsource.net.sf.cglib-2.2.0.jar.

下面的的代码是js->controller->dwr–>service–>dao…..

2.配置web.xml

<?xml version="1.0" encoding="UTF-8"?>

<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://java.sun.com/xml/ns/javaee

http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">

<display-name></display-name>

<context-param>

<param-name>contextConfigLocation</param-name>

<param-value>/WEB-INF/applicationContext.xml</param-value>

</context-param>

<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

</listener>

<servlet-name>springhibernate</servlet-name>

<servlet-class>

org.springframework.web.servlet.DispatcherServlet

</servlet-class>

</servlet>

<servlet-mapping>

<servlet-name>springhibernate</servlet-name>

<url-pattern>*.do</url-pattern>

</servlet-mapping>

<servlet-mapping>

<servlet-name>springhibernate</servlet-name>

<url-pattern>*.htm</url-pattern>

</servlet-mapping>

<servlet-mapping>

<servlet-name>springhibernate</servlet-name>

<url-pattern>/dwr/*</url-pattern>

</servlet-mapping>

<welcome-file-list>

<welcome-file>index.jsp</welcome-file>

</welcome-file-list>

</web-app>

<servlet-mapping>

<servlet-name>springhibernate</servlet-name>

<url-pattern>/dwr/*</url-pattern>

</servlet-mapping>

这个是不能少的。

3.修改springhibernate-servlet.xml：

<?xml version="1.0" encoding="UTF-8" ?>

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xmlns:context="http://www.springframework.org/schema/context"

xsi:schemaLocation=" http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans-3.0.xsd

http://www.springframework.org/schema/context

http://www.springframework.org/schema/context/spring-context-3.0.xsd">

</bean>

</beans>

3.建立webControllerContext.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xmlns:p="http://www.springframework.org/schema/p"

xmlns:aop="http://www.springframework.org/schema/aop"

xmlns:context="http://www.springframework.org/schema/context"

xmlns:jee="http://www.springframework.org/schema/jee"

xmlns:tx="http://www.springframework.org/schema/tx"

xmlns:dwr="http://www.directwebremoting.org/schema/spring-dwr"

xmlns:dwra="http://www.directwebremoting.org/schema/spring-dwr-annotations"

xmlns:mvc="http://www.springframework.org/schema/mvc"

xsi:schemaLocation="

http://www.springframework.org/schema/aop

http://www.springframework.org/schema/aop/spring-aop-2.5.xsd

http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans-3.0.xsd

http://www.springframework.org/schema/context

http://www.springframework.org/schema/context/spring-context-3.0.xsd

http://www.springframework.org/schema/jee

http://www.springframework.org/schema/jee/spring-jee-2.5.xsd

http://www.springframework.org/schema/tx

http://www.springframework.org/schema/tx/spring-tx-3.0.xsd

http://www.directwebremoting.org/schema/spring-dwr

http://www.directwebremoting.org/schema/spring-dwr-2.0.xsd

http://www.directwebremoting.org/schema/spring-dwr-annotations

http://www.directwebremoting.org/schema/spring-dwr-annotations.xsd

http://www.springframework.org/schema/mvc

http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">

<mvc:annotation-driven />

<context:component-scan base-package="com.controller,com.service.impl,com.pojo,com.dao.impl,com.dwr" />

<dwr:configuration>

<dwr:convert class="com.pojo.User" type="bean" />

<dwr:signatures>

<![CDATA[

import java.util.Map;

]]>

</dwr:signatures>

</dwr:configuration>

<dwr:controller id="dwrController" debug="true" />

<dwra:url-mapping />

<dwra:annotation-config />

</beans>

假如不用<dwr:convert class=”com.pojo.User” type=”bean” />对转换对象进行扫描,
那就用<dwr:annotation-scan base-package=”com.asl.cityu.entity” scanDataTransferObject=”true”/>进行一次扫描，必需的放在<dwr:configuration/>外面。
把xml头部定义
http://www.directwebremoting.org/schema/spring-dwr
http://www.directwebremoting.org/schema/spring-dwr-2.0.xsd
改成:
http://www.directwebremoting.org/schema/spring-dwr
http://www.directwebremoting.org/schema/spring-dwr-3.0.xsd

4.修改applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xmlns:context="http://www.springframework.org/schema/context"

xmlns:tx="http://www.springframework.org/schema/tx"

xmlns:jdbc="http://www.springframework.org/schema/jdbc"

xmlns:p="http://www.springframework.org/schema/p"

xsi:schemaLocation="http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans-3.0.xsd

http://www.springframework.org/schema/context

http://www.springframework.org/schema/context/spring-context-3.0.xsd

http://www.springframework.org/schema/tx

http://www.springframework.org/schema/tx/spring-tx-3.0.xsd

http://www.springframework.org/schema/jdbc

http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd"

default-autowire="byName" default-lazy-init="true">

</property>

</bean>

<bean id="sessionFactory"

class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">

</property>

<props>

org.hibernate.dialect.MySQLDialect

</prop>

</props>

</property>

<list>

</list>

</property>

</bean>

<bean id="transactionManager"

class="org.springframework.orm.hibernate3.HibernateTransactionManager">

</property>

</bean>

<tx:annotation-driven transaction-manager="transactionManager" />

</beans>

要是不用<property name=”annotatedClasses”>
<list>
<value>com.pojo.User</value>
</list>
</property>
的话就要hibernate自己扫描自己的东西
<bean id=”sessionFactory” class=”org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean”
p:dataSource-ref=”dataSource”
p:packagesToScan=”com.asl.jwaf.sysconfig.model”>
……
</bean>

5.建立WebRoot/pages/ajax/ajax-add-page.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<title>Spring MVC - DWR Integration Tutorial</title>

</head>

<body>

Add Two Numbers: <br/>

<input id="inputNumber1" type="text" size="5"> +

Sum: <span id="sum">(Result will be shown here)</span>

</div>

Name:<input type="text" id="name" name="name">

Password:<input type="text" id="password" name="password">

</form>

</body>

</html>

6.建立WebRoot/pages/ajax/ajax_add_page.js文件:

function add(){

// Retrieve value of text inputs

var operand1 = dwr.util.getValue("inputNumber1");

var operand2 = dwr.util.getValue("inputNumber2");

// Pass two numbers, a callback function, and error function

dwrService.add(operand1, operand2, {

callback: handleAddSuccess,

errorHandler: handleAddError

});

}

// data contains the returned value

function handleAddSuccess(data){

// Assigns data to result id

dwr.util.setValue("sum", data);

}

function handleAddError(){

// Show a popup message

alert("We can't add those values!");

}

saveUser = function(){

var name = document.getElementById("name").value;

var password = document.getElementById("password").value;

var obj={

name:name,

password:password

};

alert(obj.name);

dwrService.saveUser(obj,{callback:function(data){

alert("return data="+data);

},errorHandler:function(data){

}});

}

7.建立controller
Hello.java
—————————————

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</div>

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