java ee web

2021-12-03 23:24:40

web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="http://xmlns.jcp.org/xml/ns/javaee"
	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
	id="WebApp_ID" version="3.1">
	<display-name>week13_2</display-name>
	<welcome-file-list>
		<welcome-file>index.html</welcome-file>
		<welcome-file>index.htm</welcome-file>
		<welcome-file>index.jsp</welcome-file>
		<welcome-file>default.html</welcome-file>
		<welcome-file>default.htm</welcome-file>
		<welcome-file>default.jsp</welcome-file>
	</welcome-file-list>
	<!-- 配置加载spring文件监听器 -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:applicationContext.xml</param-value>
	</context-param>
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>

	<!-- 设置编码过滤器 -->
	<filter>
		<filter-name>encoding</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>encoding</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>


	<!-- 配置spring mvc前端核心控制器 -->
	<servlet>
		<servlet-name>springmvc</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:springMvc.xml</param-value>
		</init-param>
	</servlet>
	<servlet-mapping>
		<servlet-name>springmvc</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>
</web-app>

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:aop="http://www.springframework.org/schema/aop"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="
        http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
        http://www.springframework.org/schema/aop 
        http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
      	http://www.springframework.org/schema/tx 
        http://www.springframework.org/schema/tx/spring-tx-4.3.xsd
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context-4.3.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd">


	<!-- 读取db.properties -->
	<context:property-placeholder
		location="classpath:db.properties" />
	<bean id="dataSource"
		class="org.apache.commons.dbcp2.BasicDataSource">
		<!-- 数据驱动 -->
		<property name="driverClassName" value="${jdbc.driver}"></property>
		<!-- 连接数据库的url -->
		<property name="url" value="${jdbc.url}"></property>
		<property name="username" value="${jdbc.username}"></property>
		<property name="password" value="${jdbc.password}"></property>
	</bean>
	<!-- 事务管理器，依赖于数据源 -->
	<bean id="transactionManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource"></property>
	</bean>

	<!-- 开启事务注解 -->
	<tx:annotation-driven
		transaction-manager="transactionManager" />
	<!-- 配置mybatis工厂sqlSessionfactory -->
	<bean id="sqlSessionFactory"
		class="org.mybatis.spring.SqlSessionFactoryBean">
		<!-- 注入数据源 -->
		
		<!-- 配置分页插件 -->
		<property name="dataSource" ref="dataSource"></property>
		<property name="plugins">
			<bean class="com.github.pagehelper.PageHelper">
				<property name="properties">
					<props>
						<prop key="dialect">mysql</prop><!-- 配置数据库的类型 -->
						<prop key="reasonable">true</prop><!-- 配置页码合理化修正 -->
					</props>
				</property>
			</bean>
		</property>
	</bean>

	<!-- 配置mapper扫描器 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.itheima.mapper"></property>

	</bean>
	<!-- 扫描service -->
	<context:component-scan
		base-package="com.itheima.service"></context:component-scan>
</beans>

db.properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/stu
jdbc.username=root
jdbc.password=12345

springMvc.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:aop="http://www.springframework.org/schema/aop"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="
        http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
        http://www.springframework.org/schema/aop 
        http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
      	http://www.springframework.org/schema/tx 
        http://www.springframework.org/schema/tx/spring-tx-4.3.xsd
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context-4.3.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd">
            <context:component-scan base-package="com.itheima.controller"></context:component-scan>
        <!-- 定义视图解析器 -->
        <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- 设置前缀 -->
       	 <property name="prefix" value="/WEB-INF/jsp/"></property>
        <!-- 设置后缀 -->
         <property name="suffix" value=".jsp"></property>
         
     
        </bean> 
         <!-- 开启mvc注解,显示的装配自定义转换器 -->
         <mvc:annotation-driven ></mvc:annotation-driven>
         <!-- 不拦截静态页面 -->
         <mvc:default-servlet-handler/>
         
         <!-- 配置拦截器 -->
         	<!-- <mvc:interceptors>
         		<mvc:interceptor>
         			<mvc:mapping path="/***" />拦截所有网址请求
         			<mvc:exclude-mapping path="/login/**" />配置不拦截的网址
         			<bean class="com.itheima.interceptor.Myinterceptor"></bean>
         		</mvc:interceptor>
         	</mvc:interceptors>
         
          -->
         
         <!-- 配置静态资源的访问映射，此配置中的文件，将不被前端控制器拦截 -->
         <mvc:resources location="/js/" mapping="/js/**"></mvc:resources>
         <!-- 自定义类型转换器配置 -->
		<!-- <bean id="conversionService" class="org.springframework.context.support.ConversionServiceFactoryBean">
			<property name="converters">
				<set>
					<bean class="com.itheima.convert.DateConverter"></bean>
				</set>
			</property>
		</bean> -->
</beans>

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