从无到有--web开发(3)

   花了一天的时间,完成了基本框架的搭建,可以实现简单功能,并进行了简单的设计。
1。在web.xml中
<servlet>
		<servlet-name>post</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<load-on-startup>1</load-on-startup>
		</servlet>
		<servlet-mapping>
			<servlet-name>post</servlet-name>
			<url-pattern>*.do</url-pattern>
		</servlet-mapping>
		<!-- 设置过滤器 -->
		<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>
		
		<!-- 加载spring的配置文件 -->
		<listener>
	        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	    </listener>
		<context-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>
				/WEB-INF/post-servlet.xml
				/WEB-INF/config/applicationContext-ibatis.xml;
				/WEB-INF/config/applicationContext-dao.xml;
				/WEB-INF/config/applicationContext-controller.xml
			</param-value>
		</context-param>


2。jdbc数据库连接,以后会切到数据源上
<!-- 导入配置文件 -->
	<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="locations" value="/WEB-INF/config/data_source.properties"/>
	</bean>

	<!-- 设置jdbc连接 -->
	<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">  
        <property name="driverClassName" value="${jdbc.driver}" />  
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.name}"/>  
        <property name="password" value="${jdbc.pass}"/>  
    </bean>  

	<!-- 使用spring提供的sqlMapClient -->
	<bean id="sqlMapClient" class="org.springframework.orm.ibatis.SqlMapClientFactoryBean">
		<property name="configLocation" value="/WEB-INF/config/SqlMapConfig.xml"></property>
		<property name="dataSource">
			<ref local="dataSource"/>
		</property>
	</bean>


3。jdbc连接配置,快速切换数据库连接,挺频繁的一个操作,data_source.properties
driver=oracle.jdbc.driver.OracleDriver
url=jdbc:oracle:thin:@127.0.0.1:1521:HONGMING
name=post_kf
pass=post_kf


4.dao层的配置,只是一个测试代码
<?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:aop="http://www.springframework.org/schema/aop"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd"
           default-autowire="byName">
	<!-- 采用继承SqlMapClientDaoSupport的方式对spring和ibatis进行整合,加入了default-autowire="byName"的方式,减少配置文件 -->
	
	<bean id="teacherDao" class="cn.com.pansky.dao.TeacherDAOImpl"></bean>
</beans>

5。controller层的配置
	<!-- 为请求定制跳转,以.do结尾的请求都可以经过此spring的请求链上做2次跳转请求 -->
	<bean id="handlerMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
		<property name="mappings">
			<value>
				/test.do=teacherController
			</value>
		</property>
	</bean>
	<!-- 配置跳转 -->
	<bean id="teacherController" class="cn.com.pansky.web.TeacherController">
		<property name="methodNameResolver">
			<ref bean="methodNameResolver"/>
		</property>
		<property name="teacherDao">
			<ref bean="teacherDao"/>
		</property>
	</bean>

6。spring的servlet所需的配置文件
<!-- spring的methodNameResolver的实现。配合controller使用,用来判定参数名称。 -->
	<bean id="methodNameResolver" class="org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver">
		<property name="paramName"  value="method"/>
		<property name="defaultMethodName" value="list"/>
	</bean>
	
	<!-- 定制跳转视图 -->
	<bean id="resolverView" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
	</bean>

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