Maven project ssm integration: web.xml, springmvc-config.xml, applicationContext.xml, log4j.properties, db.properties

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">

<!--    日志信息-->
	<!--     配置spring监听器,绑定log4j配置-->
    <context-param>
        <param-name>log4jConfigLocation</param-name>
        <param-value>classpath:log4j.properties</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
    </listener>

    <!-- 配置spring核心监听器，放在/resource/applicationContext.xml作为配置文件 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <!-- contextConfigLocation参数用来指定Spring的配置文件 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>

    <!-- 定义Spring MVC的前端控制器 放在/resource/springmvc-config.xml作为配置文件-->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>
            org.springframework.web.servlet.DispatcherServlet
        </servlet-class>
        <!-- xml文件的位置 -->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springmvc-config.xml</param-value>
        </init-param>
        <!-- 项目启动，读取配置文件 -->
        <load-on-startup>1</load-on-startup>
    </servlet>

    <!-- 让Spring MVC的前端控制器拦截所有请求 -->
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <!-- 这里是“/”代表除了jsp文件，/*包括所有 -->
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!-- 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>
    </filter>
    <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <!-- jsp的配置 -->
    <jsp-config>
        <jsp-property-group>
            <!-- 配置拦截所有的jsp页面  -->
            <url-pattern>*.jsp</url-pattern>
            <!-- 可以使用el表达式  -->
            <el-ignored>false</el-ignored>
            <!-- 不能在页面使用java脚本 -->
            <scripting-invalid>true</scripting-invalid>
            <!-- 给所有的jsp页面导入要依赖的库，tablib.jsp就是一个全局的标签库文件  -->
            <include-prelude>/page/taglib.jsp</include-prelude>
        </jsp-property-group>
    </jsp-config>

    <error-page>
        <error-code>404</error-code>
        <location>/404.html</location>
    </error-page>

    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
</web-app>

springmvc-config.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: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-4.2.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd     
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-4.2.xsd">
        
    <!-- 自动扫描该包，SpringMVC会将包下用了@controller注解的类注册为Spring的controller -->
    <context:component-scan base-package="com.itcast.controller"/>

    <!-- 设置默认配置方案 -->
    <mvc:annotation-driven/>
    <!-- 使用默认的Servlet来响应静态文件 -->
    <mvc:default-servlet-handler/>
        <!-- 定义Spring MVC的拦截器 -->
    <mvc:interceptors>
    	<mvc:interceptor>
    		<!-- 拦截所有请求 -->
    		<mvc:mapping path="/*"/>
    		<!-- 自定义判断用户权限的拦截类 -->  
    	 	<bean class="com.itcast.interceptor.AuthorizedInterceptor"/>
    	</mvc:interceptor>
    </mvc:interceptors>
    <!-- 视图解析器  -->
     <bean id="viewResolver"
          class="org.springframework.web.servlet.view.InternalResourceViewResolver"> 
        <!-- 前缀 -->
         <!-- 选择你存放的路径-->
        <property name="prefix">
            <value>/page/</value>
        </property>
        <!-- 后缀 -->
        <property name="suffix">
            <value>.jsp</value>
        </property>
    </bean>
    <bean id="multipartResolver"  
        class="org.springframework.web.multipart.commons.CommonsMultipartResolver">  
		<!-- 上传文件大小上限，单位为字节（10MB） -->
        <property name="maxUploadSize">  
            <value>10485760</value>  
        </property>  
        <!-- 请求的编码格式，必须和jSP的pageEncoding属性一致，以便正确读取表单的内容，默认为ISO-8859-1 -->
        <property name="defaultEncoding">
        	<value>UTF-8</value>
        </property>
    </bean>
</beans>

applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" 
	xmlns:mybatis="http://mybatis.org/schema/mybatis-spring"
	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"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
			            http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
			            http://www.springframework.org/schema/context
			            http://www.springframework.org/schema/context/spring-context-4.2.xsd
			            http://www.springframework.org/schema/mvc
			            http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd
			            http://www.springframework.org/schema/tx
			            http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
			            http://mybatis.org/schema/mybatis-spring 
			            http://mybatis.org/schema/mybatis-spring.xsd ">
			      
	 <!-- mybatis:scan会扫描org.fkit.dao包里的所有接口当作Spring的bean配置，之后可以进行依赖注入-->  
	<!--扫描dao层-->  
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.itcast.dao"/>
	</bean>

       
	 <!-- 扫描org.fkit包下面的java文件，有Spring的相关注解的类，则把这些类注册为Spring的bean -->
    <context:component-scan base-package="com.itcast">
		<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
	</context:component-scan>
    
	<!-- 使用PropertyOverrideConfigurer后处理器加载数据源参数 -->
	<context:property-override location="classpath:db.properties"/>
<!--	<context:property-placeholder location="classpath:db.properties"/>-->

	<!-- 配置c3p0数据源 -->
	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"/>
	
	<!-- 配置SqlSessionFactory，org.mybatis.spring.SqlSessionFactoryBean是Mybatis社区开发用于整合Spring的bean -->
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<!--配置数据源-->  
		<property name="dataSource" ref="dataSource"/>
		<!--配置文件路径-->  
		<property name="mapperLocations" value="classpath:com/itcast/dao/*.xml"/>
		<!--别名-->  
		<property name="typeAliasesPackage" value="com.itcast.domain"/>
	</bean>
<!--	    p:dataSource-ref="dataSource"/>-->
	
	<!-- JDBC事务管理器 -->
	<bean id="transactionManager" 
	class="org.springframework.jdbc.datasource.DataSourceTransactionManager"
		 p:dataSource-ref="dataSource"/>
	
	<!-- 启用支持annotation注解方式事务管理 -->
	<tx:annotation-driven transaction-manager="transactionManager"/>
	
</beans>

log4j.properties

# Set root category priority to INFO and its only appender to CONSOLE.
#log4j.rootCategory=INFO, CONSOLE            debug   info   warn error fatal
log4j.rootCategory=debug, CONSOLE, LOGFILE

# Set the enterprise logger category to FATAL and its only appender to CONSOLE.
log4j.logger.org.apache.axis.enterprise=FATAL, CONSOLE

# CONSOLE is set to be a ConsoleAppender using a PatternLayout.
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n

# LOGFILE is set to be a File appender using a PatternLayout.
log4j.appender.LOGFILE=org.apache.log4j.FileAppender
log4j.appender.LOGFILE.File=./log/itcast.log
log4j.appender.LOGFILE.Append=true
log4j.appender.LOGFILE.layout=org.apache.log4j.PatternLayout
log4j.appender.LOGFILE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n

db.properties

dataSource.driverClass=数据库驱动（MySQL8.0：com.mysql.cj.jdbc.Driver）
dataSource.jdbcUrl=jdbc:mysql://ip地址:端口号/数据库?serverTimezone=GMT%2B8
dataSource.user=用户名
dataSource.password=密码
dataSource.maxPoolSize=20
dataSource.maxIdleTime = 1000
dataSource.minPoolSize=6
dataSource.initialPoolSize=5