Project directory structure:
configuration file
1. The configuration file spring-web.xml of springmvc
<?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:p="http://www.springframework.org/schema/p"
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-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">
<!-- Add annotation driver-->
<mvc:annotation-driven/>
<!-- Default scan package path-->
<context:component-scan base-package="com.ray.web"/>
<!-- Filter static file interception-->
<mvc:default-servlet-handler/>
<!-- Define the prefix and suffix of the jumped file-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/view/"/>
<property name="suffix" value=".jsp"/>
</bean>
</beans>
2. Spring integrates mybatis configuration file spring-dao.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:p="http://www.springframework.org/schema/p"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
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
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">
<!-- Configure the process of integrating mybatis-->
<!-- 1. Configure the properties of database-related parameters properties: ${url} -->
<!-- Use database configuration file decoupling-->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!-- The following druid configurations are all basic configurations, the specific optimization settings can be queried online, or you can search for druid directly on github -->
<!-- 2. Database connection pool -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<!-- Configure connection pool properties-->
<property name="driverClassName" value="${jdbc.driver}"/>
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
<!-- Configure initialization size, minimum, maximum -->
<property name="initialSize" value="1"/>
<property name="minIdle" value="1"/>
<property name="maxActive" value="10"/>
<!-- Configure the time for getting a connection to wait for timeout-->
<property name="maxWait" value="10000"/>
<!-- How long is the configuration interval to perform detection, and detect idle connections that need to be closed, in milliseconds-->
<property name="timeBetweenEvictionRunsMillis" value="60000"/>
<!-- Configure the minimum lifetime of a connection in the pool, in milliseconds-->
<property name="minEvictableIdleTimeMillis" value="300000"/>
<!-- The SQL to verify whether the connection is valid or not, different data configurations are different-->
<property name="validationQuery" value="SELECT 1" />
<!-- If the idle time is greater than timeBetweenEvictionRunsMillis, execute validationQuery to check whether the connection is valid -->
<property name="testWhileIdle" value="true"/>
<!-- It is recommended to configure TRUE here to prevent the obtained connection from being unavailable-->
<property name="testOnBorrow" value="true"/>
<property name="testOnReturn" value="false"/>
<!-- Open PSCache and specify the size of PSCache on each connection-->
<property name="poolPreparedStatements" value="true"/>
<property name="maxPoolPreparedStatementPerConnectionSize" value="20"/>
<!-- The submission method is configured here, the default is TRUE, you can configure it without configuration-->
<property name="defaultAutoCommit" value="true" />
<!-- Enable Druid's monitoring and statistics function-->
<property name="filters" value="stat,log4j2"/>
<!-- com.alibaba.druid.filter.Filter -->
<property name="proxyFilters">
<list>
<ref bean="log-filter"/>
</list>
</property>
</bean>
<!-- Druid configuration above -->
<bean id="log-filter" class="com.alibaba.druid.filter.logging.Log4j2Filter">
<!-- Indicates whether to connect all Connection-related logs -->
<property name="connectionLogEnabled" value="false"/>
<!-- Indicates whether to connect all Statement-related logs -->
<property name="statementLogEnabled" value="false"/>
<!-- Indicates whether to display the result set -->
<property name="resultSetLogEnabled" value="true"/>
<!-- Indicates whether to display the SQL statement -->
<property name="statementExecutableSqlLogEnable" value="true"/>
</bean>
<!-- 3. Configure the Mybatis SqlSessionFactory object -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- Configure MyBaties global configuration file: mybatis-config.xml -->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
<!-- Inject database connection pool-->
<property name="dataSource" ref="dataSource"/>
<!-- Scan entity packages, use aliases -->
<property name="typeAliasesPackage" value="com.ray.entity"/>
<!-- Scan sql configuration file: xml file required by mapper-->
<property name="mapperLocations" value="classpath:mapper/*.xml"/>
</bean>
<!-- 4. Configure and scan the Dao interface package, dynamically implement the Dao interface, and inject it into the spring container -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- Give the Dao interface package that needs to be scanned -->
<property name="basePackage" value="com.ray.dao"/>
</bean>
</beans>
3. Database connection parameter configuration jdbc.properties
jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/ssm?useUnicode=true&characterEncoding=utf8 jdbc.username=root jdbc.password=root
4, mybatis configuration mybatis-config.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<!-- Configure global properties-->
<settings>
<!-- Use jdbc's getGeneratedKeys to get the database self-incrementing primary key value -->
<setting name="useGeneratedKeys" value="true" />
<!-- Replace column names with column aliases Default: true -->
<setting name="useColumnLabel" value="true" />
<!-- Turn on camel case name conversion: Table{create_time} -> Entity{createTime} -->
<setting name="mapUnderscoreToCamelCase" value="true" />
</settings>
</configuration>
5. Log4j2 configuration file log4j2.xml
<?xml version="1.0" encoding="UTF-8"?>
<!-- Log4j 2.x configuration file. Automatically check and apply configuration file updates every 30 seconds; -->
<configuration status="warn" monitorInterval="30" strict="true" schema="Log4J-V2.2.xsd">
<Properties>
<property name="LOG_HOME">logs</property>
<property name="FILE_NAME">test</property>
</Properties>
<appenders>
<!-- output to console -->
<console name="Console" target="SYSTEM_OUT">
<!-- The level to be logged -->
<!-- <ThresholdFilter level="debug" onMatch="ACCEPT" onMismatch="DENY" /> -->
<PatternLayout pattern="%date{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %level [%C{36}.%M] - %msg%n"/>
</console>
<!-- Circular file log output -->
<RollingRandomAccessFile name="running-log"
fileName="${LOG_HOME}/${FILE_NAME}.log" filePattern="${LOG_HOME}/$${date:yyyy-MM}/${FILE_NAME}-%d{yyyy-MM-dd}-%i.log.gz">
<PatternLayout
pattern="[%-5p] %d %c - %m%n" />
<Policies>
<TimeBasedTriggeringPolicy />
<SizeBasedTriggeringPolicy size="60 MB" />
</Policies>
<DefaultRolloverStrategy max="20" />
</RollingRandomAccessFile>
</appenders>
<loggers>
<!-- Global configuration-->
<root level="info">
<appenderRef ref="Console"/>
<appenderRef ref="running-log"/>
</root>
<logger name="org.springframework.web" level="debug" additivity="false">
<appenderRef ref="Console"/>
</logger>
<logger name="com.mc.core.service" level="debug" additivity="false">
<appender-ref ref="Console"/>
</logger>
<!-- druid configuration-->
<logger name="druid.sql.Statement" level="debug" additivity="false">
<appender-ref ref="Console"/>
<appender-ref ref="running-log"/>
</logger>
<logger name="druid.sql.ResultSet" level="debug" additivity="false">
<appender-ref ref="Console"/>
<appender-ref ref="running-log"/>
</logger>
</loggers>
</configuration>
6. The final web.xml configuration file
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<!-- Alibaba data source BENGIN -->
<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>
<!-- Ali data source END -->
<!-- spring4 mvc BEGIN -->
<servlet>
<servlet-name>springMVC</servlet-name> <!-- mvc调度器 -->
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- Configure the configuration file that springMVC needs to load
spring-dao.xml, spring-service.xml, spring-web.xml
Mybatis - > spring -> springmvc
-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/spring-*.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springMVC</servlet-name>
<!-- Matches all static resources by default, if the configuration is wrong here, error 500 will be generated -->
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- spring4 mvc END -->
<!-- Log4j2 BEGIN -->
<listener>
<listener-class>org.apache.logging.log4j.web.Log4jServletContextListener</listener-class>
</listener>
<filter>
<filter-name>log4jServletFilter</filter-name>
<filter-class>org.apache.logging.log4j.web.Log4jServletFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>log4jServletFilter</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>REQUEST</dispatcher>
<dispatcher>FORWARD</dispatcher>
<dispatcher>INCLUDE</dispatcher>
<dispatcher>ERROR</dispatcher>
</filter-mapping>
<!-- Log4j2 END -->
<!-- Spring character set filter BENGIN-->
<filter>
<filter-name>SpringEncodingFilter</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>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>SpringEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- Spring character set filterEND-->
<!-- System Home-->
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
operation result
After starting the project, enter: http://localhost:8080/project name/druid/index.html in the web browser to check whether druid is configured successfully.
