在用户注册的时候,判断这个用户是否存在,这个用DWR1去做的,代码如下
dwr的配置
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE dwr PUBLIC "-//GetAhead Limited//DTD Direct Web Remoting 1.0//EN" "http://www.getahead.ltd.uk/dwr/dwr10.dtd">
<dwr>
<allow>
<convert converter="bean" match="liao.*"/>
<create creator="spring" javascript="MemberManager">
<param name="beanName" value="userFacade"/>
</create>
</allow>
</dwr>
但运行的时候老说Dwr找不到userFacade这个方法,我再次检查了所有环节,根本没错,与以前的程序代码都是一样的,查了很久,最后终于给我发现问题了.
原来我的这个应用,将保存DAO和配置facade等的配置文件没有命名为applicationContext!,以mode-config.xml命明了，虽然我在WEB.XML中另外
指定了对应的新的名称,但估计DWR不收货!(起码是DWR1不收货,所以错了!),一般来说,应该这样的结构吧,建议
applicationContext.xml:存放DAO及facade模式配置的xml,比如
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING/DTD BEAN/EN"
"http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<!-- 要设定您的数据库相关消息 -->
<!-- <bean name="openSessionInViewInterceptor" class="org.springframework.orm.hibernate3.support.OpenSessionInViewInterceptor">
<property name="sessionFactory">
<ref bean="mysessionFactory"/>
</property>
</bean>-->
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName">
<value>com.mysql.jdbc.Driver</value>
</property>
<property name="url">
<value>jdbc:mysql://localhost:3306/springlover</value>
</property>
<property name="username">
<value>root</value>
</property>
<property name="password">
<value>2222</value>
</property>
</bean>
<bean id="mysessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"
destroy-method="close">
<property name="dataSource">
<ref bean="dataSource"/>
</property>
<property name="mappingResources">
<list>
<value>liao/domain/User.hbm.xml</value>
<value>liao/domain/Photo.hbm.xml</value>
<value>liao/domain/Comment.hbm.xml</value>
<value>liao/domain/Admin.hbm.xml</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
</props>
</property>
</bean>
<bean id="userDao"
class="liao.dao.hibernate.UserDAO">
<property name="sessionFactory">
<ref local="mysessionFactory" />
</property>
</bean>
<bean id="photoFacade" class="liao.domain.logic.impl.PhotoFacadeImpl">
<property name="photoDao">
<ref bean="photoDao"/>
</property>
</bean>
</beans>
而要再搞个应用名-servlet.xml,比如springlover-servlet.xml,里面的是controller等的设置,如
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING/DTD BEAN/EN"
"http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<bean id="urlMapping"
class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="mappings">
<props>
<prop key="/login.do">loginController</prop>
<prop key="/register.do">registerController</prop>
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass">
<value>org.springframework.web.servlet.view.JstlView</value>
</property>
<property name="prefix">
<value>/</value>
</property>
<property name="suffix">
<value>.jsp</value>
</property>
</bean>
<bean id="voteController" class="liao.web.VoteController">
<property name="photoFacade">
<ref bean="photoFacade" />
</property>
<property name="successView">
<value>/index</value>
</property>
</bean>
</beans>
最后是web,xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
version="2.4">
<display-name>springlover</display-name>
<context-param>
<param-name>webAppRootKey</param-name>
<param-value>springlover.root</param-value>
</context-param>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</context-param>
<context-param>
<param-name>log4jConfigLocation</param-name>
<param-value>/WEB-INF/log4j.properties</param-value>
</context-param>
<context-param>
<param-name>log4jRefreshInterval</param-name>
<param-value>60000</param-value>
</context-param>
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>
org.springframework.web.filter.CharacterEncodingFilter
</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<listener>
<listener-class>
org.springframework.web.util.Log4jConfigListener
</listener-class>
</listener>
<servlet>
<servlet-name>springlover</servlet-name>
<servlet-class>
org.springframework.web.servlet.DispatcherServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springlover</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>dwr-invoker</servlet-name>
<servlet-class>uk.ltd.getahead.dwr.DWRServlet</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>true</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>dwr-invoker</servlet-name>
<url-pattern>/dwr/*</url-pattern>
</servlet-mapping>
<!--<servlet>
<servlet-name>img</servlet-name>
<servlet-class>
liao.util.AuthImg</servlet-class>
</servlet>-->
<!-- <servlet-mapping>
<servlet-name>img</servlet-name>
<url-pattern>/admin/verfiycode</url-pattern>
</servlet-mapping>-->
</web-app>
