Spring 笔记（四）：SSM整合配置

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mob604756e5202f 2021-03-26 08:41:17

在 resource 创建 dbconfig.properties配置文件

jdbc.url=jdbc:mysql://localhost:3306/company?serverTimezone=GMT%2B8&characterEncoding=utf8
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.username=root
jdbc.password=root
jdbc.filters=stat
jdbc.maxActive=20
jdbc.initialSize=1
jdbc.maxWait=60000
jdbc.minIdle=10
jdbc.timeBetweenEvictionRunsMillis=60000
jdbc.minEvictableIdleTimeMillis=300000
jdbc.validationQuery=SELECT 'x'
jdbc.testWhileIdle=true
jdbc.testOnBorrow=false
jdbc.testOnReturn=false
jdbc.maxOpenPreparedStatements=20
jdbc.removeAbandoned=true
jdbc.removeAbandonedTimeout=1800
jdbc.logAbandoned=true

在 resource 创建 applicationContext.xml配置文件

<?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: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.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context.xsd
       http://www.springframework.org/schema/aop
       http://www.springframework.org/schema/aop/spring-aop.xsd
       http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!-- 使用spring自带的占位符替换功能 -->
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <!-- 允许JVM参数覆盖 -->
        <property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE" />
        <!-- 忽略没有找到的资源文件 -->
        <property name="ignoreResourceNotFound" value="true" />
        <!-- 配置资源文件 -->
        <property name="locations">
            <!-- 配置jdbc配置文件 -->
            <list>
                <value>classpath:dbconfig.properties</value>
            </list>
        </property>
    </bean>
    <!-- 2-1.配置阿里巴巴数据源 -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
        <!-- 数据库基本信息配置 -->
        <property name = "url" value = "${jdbc.url}" />
        <property name = "username" value = "${jdbc.username}" />
        <property name = "password" value = "${jdbc.password}" />
        <property name = "driverClassName" value = "${jdbc.driverClassName}" />
        <property name = "filters" value = "${jdbc.filters}" />

        <!-- 最大并发连接数 -->
        <property name = "maxActive" value = "${jdbc.maxActive}" />

        <!-- 初始化连接数量 -->
        <property name = "initialSize" value = "${jdbc.initialSize}" />

        <!-- 配置获取连接等待超时的时间 -->
        <property name = "maxWait" value = "${jdbc.maxWait}" />

        <!-- 最小空闲连接数 -->
        <property name = "minIdle" value = "${jdbc.minIdle}" />

        <!-- 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 ="${jdbc.timeBetweenEvictionRunsMillis}" />

        <!-- 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 ="${jdbc.minEvictableIdleTimeMillis}" />

        <property name = "validationQuery" value = "${jdbc.validationQuery}" />
        <property name = "testWhileIdle" value = "${jdbc.testWhileIdle}" />
        <property name = "testOnBorrow" value = "${jdbc.testOnBorrow}" />
        <property name = "testOnReturn" value = "${jdbc.testOnReturn}" />
        <property name = "maxOpenPreparedStatements" value ="${jdbc.maxOpenPreparedStatements}" />

        <!-- 打开 removeAbandoned 功能 -->
        <property name = "removeAbandoned" value = "${jdbc.removeAbandoned}" />

        <!-- 1800 秒，也就是 30 分钟 -->
        <property name = "removeAbandonedTimeout" value ="${jdbc.removeAbandonedTimeout}" />

        <!-- 关闭 abanded 连接时输出错误日志 -->
        <property name = "logAbandoned" value = "${jdbc.logAbandoned}" />
    </bean>



    <!-- 4.配置spring和mybatis的整合 -->
    <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 注入mybatis全局配置文件 -->
        <property name="configLocation" value="classpath:mybatis-config.xml" />
        <!-- 注入dataSource -->
        <property name="dataSource" ref="dataSource" />
        <!-- 设置别名 -->
        <property name="typeAliasesPackage" value="priv.linyu.mms.pojo" />
        <!-- 注入mybatis映射文件
        <property name="mapperLocations" value="classpath:mapper/*.xml" /> -->
    </bean>
    <!-- 4-1.配置扫描器,将mybatis接口的实现加入到ioc容器中 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- 扫描所有dao层的实现,并加入到ioc容器中 -->
        <property name="basePackage" value="priv.linyu.mms.mapper" />
    </bean>


    <!-- 5.事务控制器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 控制数据库 -->
        <property name="dataSource" ref="dataSource" />
    </bean>

    <!-- 5-1.aop处理 -->
    <aop:config proxy-target-class="true">
        <!--切入表达式-->
        <aop:pointcut id="txPoint" expression="execution(* *..service*..*(..))" />
        <!-- 配置事务增强 -->
        <aop:advisor pointcut-ref="txPoint" advice-ref="txAdvice" />
    </aop:config>

    <!-- 5-2.事务的支持 -->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <!-- 所有方法都是事务 -->
            <tx:method name="*" rollback-for="Exception"/>
            <tx:method name="get*" propagation="SUPPORTS" />
            <tx:method name="save*" propagation="REQUIRED"/>
            <tx:method name="insert*" propagation="REQUIRED"/>
            <tx:method name="add*" propagation="REQUIRED"/>
            <tx:method name="create*" propagation="REQUIRED"/>
            <tx:method name="delete*" propagation="REQUIRED"/>
            <tx:method name="update*" propagation="REQUIRED"/>
            <tx:method name="find*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="select*" propagation="SUPPORTS" read-only="true"/>
        </tx:attributes>
    </tx:advice>

    <!-- 6.配置所有包扫描 -->
    <context:component-scan base-package="priv.linyu.mms" />


</beans>

在 resource 创建 dispatcherServlet-servlet.xml配置文件

<?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:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-4.0.xsd
       http://www.springframework.org/schema/mvc
       http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">

    <!-- 1.SpringMVC的配置文件,包括网站跳转逻辑的控制,配置 -->
    <context:component-scan base-package="priv.linyu.ssm" use-default-filters="false">
        <!-- 1-1.只扫描控制器 -->
        <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" />
    </context:component-scan>

    <!-- 2.配置视图解析器,方便页面返回 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/views/" />
        <property name="suffix" value=".jsp" />
    </bean>

    <!-- 3.静态资源文件受spring的管理，并且提供很多优化服务 -->
    <mvc:resources location="/static/" mapping="/static/**" />
    
    <!-- 4.开启springMVC注解模式 -->
    <mvc:annotation-driven />
    
	<!-- 5-1.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.MappingJackson2HttpMessageConverter">
        <property name="supportedMediaTypes">
            <list>
                <value>text/html;charset=UTF-8</value>
            </list>
        </property>
    </bean>
	
	<!-- 5-2.启动SpringMVC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>
                <bean class="org.springframework.http.converter.ByteArrayHttpMessageConverter"/>
                <ref bean="mappingJacksonHttpMessageConverter" />  <!-- JSON转换器 -->
            </list>
        </property>
    </bean>
	
	<!-- 6.<!–对上传文件的支持，springMVC其实是用common-upload来实现 –>
    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <!–设置上传文件的最大值,这里是字节–>
        <property name="maxUploadSize" value="102400000"></property> <!– 100M –>
        <property name="defaultEncoding" value="utf-8"></property>
    </bean>-->
	
	
	<!-- 7.全局异常处理
    <bean id="exceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
        <property name="defaultErrorView">
            <value>/base/error</value>
        </property>
        <property name="defaultStatusCode">
            <value>500</value>
        </property>
        <property name="warnLogCategory">
            <value>org.springframework.web.servlet.handler.SimpleMappingExceptionResolver</value>
        </property>
    </bean>-->
	
	
	<!-- 8.定时器配置
    <task:executor id="executor" pool-size="5" />
    <task:scheduler id="scheduler" pool-size="10" />
    <task:annotation-driven executor="executor" scheduler="scheduler" />-->
    
</beans>

编写web.xml配置文件

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
  <display-name>ssm</display-name>

  
  <!-- 1.启动Sring容器 -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:applicationContext.xml</param-value>
	</context-param>
	<!-- 1-1.设置spring监听器 -->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>

	<!-- 2.springmvc的前端控制器 -->
	<servlet>
		<servlet-name>dispatcherServlet</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:dispatcherServlet-servlet.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<!-- 2-1.拦截所有请求 -->
	<servlet-mapping>
		<servlet-name>dispatcherServlet</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>

	<!-- 3.字符编码过滤器 -->
	<filter>
		<filter-name>CharacterEncodingFilter</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>
		<!-- 3-1.设置响应的编码格式 -->
		<init-param>
			<param-name>forceRequestEncoding</param-name>
			<param-value>true</param-value>
		</init-param>
		<init-param>
			<param-name>forcesponseEncoding</param-name>
			<param-value>true</param-value>
		</init-param>
	</filter>
	<!-- 3-2.统一设置 -->
	<filter-mapping>
		<filter-name>CharacterEncodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>

	<!-- 4.使用rest风格的url,将页面普通的post请求转换为delete或者put请求 -->
	<filter>
		<filter-name>HiddenHttpMethodFilter</filter-name>
		<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>HiddenHttpMethodFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	
	<!-- 5.解决PUT请求的问题 -->
	<filter>
		<filter-name>HttpPutFormContentFilter</filter-name>
		<filter-class>org.springframework.web.filter.HttpPutFormContentFilter</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>HttpPutFormContentFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	
	 <!--6.连接池 启动Web监控统计功能 -->
  <filter>
    <filter-name>DruidWebStatFilter</filter-name>
    <filter-class>com.alibaba.druid.support.http.WebStatFilter</filter-class>
    <init-param>
      <param-name>exclusions</param-name>
      <param-value>*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>DruidWebStatFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <servlet>
    <servlet-name>DruidStatView</servlet-name>
    <servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>DruidStatView</servlet-name>
    <url-pattern>/druid/*</url-pattern>
  </servlet-mapping>

  
</web-app>

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