Spring注解问题，[action中注入service失败

2021-08-01 21:40:46

pring-mvc.xml

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

<beans xmlns="http://www.springframework.org/schema/beans" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

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

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

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

	<!-- 自动扫描controller包下的所有类，使其认为spring mvc的控制器 -->

	<context:component-scan base-package="yzyq.controller" />

	<!-- 避免IE执行AJAX时,返回JSON出现下载文件 -->

	<bean id="mappingJacksonHttpMessageConverter" class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">

		<property name="supportedMediaTypes">

			<list>

				<value>text/html;charset=UTF-8</value>

			</list>

		</property>

	</bean>

	<!-- 启动Spring MVC的注解功能，完成请求和注解POJO的映射 -->

	<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">

		<property name="messageConverters">

			<list>

				<ref bean="mappingJacksonHttpMessageConverter" /><!-- json转换器 -->

			</list>

		</property>

	</bean>

	<!-- 对模型视图名称的解析，即在模型视图名称添加前后缀 -->

	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:prefix="/" p:suffix=".jsp" />

	<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

		<property name="defaultEncoding">

			<value>UTF-8</value>

		</property>

		<property name="maxUploadSize">

			<value>32505856</value><!-- 上传文件大小限制为31M，31*1024*1024 -->

		</property>

		<property name="maxInMemorySize">

			<value>4096</value>

		</property>

	</bean>

</beans>

spring-mybatis.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:tx="http://www.springframework.org/schema/tx"

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

	xsi:schemaLocation="

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

http://www.springframework.org/schema/beans/spring-beans-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/aop

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

">

	<!-- JNDI方式配置数据源 -->

	<!-- <bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean"> <property name="jndiName" value="${jndiName}"></property> </bean> -->

	<!-- 配置数据源 -->

	<bean name="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">

		<property name="url" value="${jdbc_url}" />

		<property name="username" value="${jdbc_username}" />

		<property name="password" value="${jdbc_password}" />

		<!-- 初始化连接大小 -->

		<property name="initialSize" value="0" />

		<!-- 连接池最大使用连接数量 -->

		<property name="maxActive" value="20" />

		<!-- 连接池最大空闲 -->

		<property name="maxIdle" value="20" />

		<!-- 连接池最小空闲 -->

		<property name="minIdle" value="0" />

		<!-- 获取连接最大等待时间 -->

		<property name="maxWait" value="60000" />

		<!-- <property name="poolPreparedStatements" value="true" /> <property name="maxPoolPreparedStatementPerConnectionSize" value="33" /> -->

		<property name="validationQuery" value="${validationQuery}" />

		<property name="testOnBorrow" value="false" />

		<property name="testOnReturn" value="false" />

		<property name="testWhileIdle" value="true" />

		<!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->

		<property name="timeBetweenEvictionRunsMillis" value="60000" />

		<!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->

		<property name="minEvictableIdleTimeMillis" value="25200000" />

		<!-- 打开removeAbandoned功能 -->

		<property name="removeAbandoned" value="true" />

		<!-- 1800秒，也就是30分钟 -->

		<property name="removeAbandonedTimeout" value="1800" />

		<!-- 关闭abanded连接时输出错误日志 -->

		<property name="logAbandoned" value="true" />

		<!-- 监控数据库 -->

		<!-- <property name="filters" value="stat" /> -->

		<property name="filters" value="mergeStat" />

		<!-- 连接属性 -->

		<propertyname="connectionProperties">

			<value>clientEncoding=UTF-8</value>

		</property>

	</bean>

	<!-- myBatis文件 -->

	<beanid="sqlSessionFactory"class="org.mybatis.spring.SqlSessionFactoryBean">

		<propertyname="dataSource"ref="dataSource" />

		<!-- 自动扫描entity目录, 省掉Configuration.xml里的手工配置 -->

		<propertyname="mapperLocations"value="classpath:yzyq/mapping/*.xml" />

	</bean>

	<beanclass="org.mybatis.spring.mapper.MapperScannerConfigurer">

		<propertyname="basePackage"value="yzyq.mapper" />

		<propertyname="sqlSessionFactoryBeanName"value="sqlSessionFactory" />

	</bean>

	<!-- 配置事务管理器 -->

	<beanid="transactionManager"class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

		<propertyname="dataSource"ref="dataSource" />

	</bean>

	<!-- 注解方式配置事物 -->

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

	<!-- 拦截器方式配置事物 -->

	<tx:adviceid="transactionAdvice"transaction-manager="transactionManager">

		<tx:attributes>

			<tx:methodname="add*"propagation="REQUIRED" />

			<tx:methodname="append*"propagation="REQUIRED" />

			<tx:methodname="insert*"propagation="REQUIRED" />

			<tx:methodname="save*"propagation="REQUIRED" />

			<tx:methodname="update*"propagation="REQUIRED" />

			<tx:methodname="modify*"propagation="REQUIRED" />

			<tx:methodname="edit*"propagation="REQUIRED" />

			<tx:methodname="delete*"propagation="REQUIRED" />

			<tx:methodname="remove*"propagation="REQUIRED" />

			<tx:methodname="repair"propagation="REQUIRED" />

			<tx:methodname="delAndRepair"propagation="REQUIRED" />

			<tx:methodname="get*"propagation="SUPPORTS" />

			<tx:methodname="find*"propagation="SUPPORTS" />

			<tx:methodname="load*"propagation="SUPPORTS" />

			<tx:methodname="search*"propagation="SUPPORTS" />

			<tx:methodname="datagrid*"propagation="SUPPORTS" />

			<tx:methodname="*"propagation="SUPPORTS" />

		</tx:attributes>

	</tx:advice>

	<aop:config>

		<aop:pointcutid="transactionPointcut"expression="execution(* yzyq.service..*Impl.*(..))" />

		<aop:advisorpointcut-ref="transactionPointcut"advice-ref="transactionAdvice" />

	</aop:config>

	<!-- 配置druid监控spring jdbc -->

	<beanid="druid-stat-interceptor"class="com.alibaba.druid.support.spring.stat.DruidStatInterceptor">

	</bean>

	<beanid="druid-stat-pointcut"class="org.springframework.aop.support.JdkRegexpMethodPointcut"scope="prototype">

		<propertyname="patterns">

			<list>

				<value>yzyq.service.*</value>

			</list>

		</property>

	</bean>

	<aop:config>

		<aop:advisoradvice-ref="druid-stat-interceptor"pointcut-ref="druid-stat-pointcut" />

	</aop:config>

</beans>

spring.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

">

	<!-- 引入属性文件 -->

	<context:property-placeholder location="classpath:config.properties" />

	<!-- 自动扫描(自动注入) -->

	<context:component-scan base-package="yzyq.service" />

</beans>

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