The clearest SSM integration
Spring, SpringMVC, and Mybatis frameworks integrate related configurations
The three layers are configured separately
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<! -- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<! -- https://mvnrepository.com/artifact/javax.servlet.jsp/javax.servlet.jsp-api -->
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<version>2.2.1</version>
<scope>provided</scope>
</dependency>
<! -- Database driven -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.47</version>
</dependency>
<! -- Database connection pool -->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.2</version>
</dependency>
<! --Servlet - JSP -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.2</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<! --Mybatis-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.2</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.2</version>
</dependency>
<! --Spring-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.1.9. RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.1.9. RELEASE</version>
</dependency>
<! --Lombok-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.10</version>
</dependency>
</dependencies>
<build>
<! -- Build resources to prevent us from exporting resources -->
<resources>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
</resources>
</build>
Copy the code- The first is the overall configuration file, 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"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
<import resource="spring-dao.xml"/>
<import resource="spring-service.xml"/>
<import resource="spring-mvc.xml"/>
</beans>
Copy the code- Spring-mvc.xml is configured for the MVC layer
<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.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
<! -- configure SpringMVC -->
<! --> < p style = "margin-bottom: 0em; margin-bottom: 0em; margin-bottom: 0em;
<mvc:annotation-driven />
<! -- 2. Default servlet configuration for static resources -->
<mvc:default-servlet-handler/>
<! --> < p style = "text-align: center;
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>
<! -- 4. Scan web-related beans -->
<context:component-scan base-package="tech.zhjweb.controller" />
</beans>
Copy the code- The web.xml configuration
<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_3_1.xsd"
version="3.1"
metadata-complete="true">
<! --DispatcherServlet-->
<servlet>
<servlet-name>DispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<! -- load the total configuration file -->
<param-value>classpath:applicationContext.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>DispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<! --encodingFilter-->
<filter>
<filter-name>encodingFilter</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>encodingFilter</filter-name>
<url-pattern>/ *</url-pattern>
</filter-mapping>
<! --Session expiration time -->
<session-config>
<session-timeout>15</session-timeout>
</session-config>
</web-app>
Copy the code- The Servics layer configures spring-service.xml
<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.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<! -- Scan the beans related to the service -->
<context:component-scan base-package="tech.zhjweb.service" />
<! --BookServiceImpl is injected into the IOC container -->
<bean id="BookServiceImpl" class="tech.zhjweb.service.BookServiceImpl">
<property name="bookMapper" ref="bookMapper"/>
</bean>
<! -- Configure transaction Manager -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<! -- Inject database connection pool -->
<property name="dataSource" ref="dataSource" />
</bean>
<! -- AOP object Support -->
</beans>
Copy the code- The Dao layer configulates spring-dao.xml
<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.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
<! -- configure integrated mybatis -->
<! -- 1. Associate database files -->
<context:property-placeholder location="classpath:database.properties"/>
<! Database connection pool -->
<! Hikari: --> database connection pool DBCP semi-automatic operation can not automatically connect to C3P0 automatic operation (automatically load configuration files and set them to objects)
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<! -- Configure connection pool properties -->
<property name="driverClass" value="${jdbc.driver}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
<! -- c3P0 connection pool private property -->
<property name="maxPoolSize" value="30"/>
<property name="minPoolSize" value="10"/>
<! -- do not commit automatically after closing the connection -->
<property name="autoCommitOnClose" value="false"/>
<! -- Obtain connection timeout -->
<property name="checkoutTimeout" value="10000"/>
<! -- Number of retries when obtaining a connection failure -->
<property name="acquireRetryAttempts" value="2"/>
</bean>
<! --> SqlSessionFactory --> SqlSessionFactory
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<! -- Inject database connection pool -->
<property name="dataSource" ref="dataSource"/>
<! -- Config MyBaties global config file: MyBaties -->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
</bean>
<! --> < span style = "box-sizing: border-box; style =" box-sizing: border-box;
<! - explanation: https://www.cnblogs.com/jpfss/p/7799806.html-- >
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<! -- insert sqlSessionFactory -->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<! Dao interface package to scan -->
<property name="basePackage" value="tech.zhjweb.dao"/>
</bean>
</beans>
Copy the code- The Mybatis layer configures Mybatis -config.xml
<! DOCTYPEconfiguration
PUBLIC "- / / mybatis.org//DTD Config / 3.0 / EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<! -- configure data source spring to do -->
<typeAliases>
<package name="tech.zhjweb.pojo"/>
</typeAliases>
<mappers>
<mapper class="tech.zhjweb.dao.BookMapper"/>
</mappers>
</configuration>
Copy the code- Database configuration database.properties
JDBC. Driver = com. Mysql. JDBC. After the driver # url parameter secure connection, note: for character MySQL8.0 to add timezone setting JDBC. Url = JDBC: mysql: / / localhost: 3306 / ssmbuild? useSSL=true&useUnicode=true&characterEncoding=utf8 jdbc.username=root jdbc.password=rootCopy the code- Log configuration log4j.properties
Log4j. RootLogger = INFO, the Console, the File # define log output destination for Console log4j. Appender. The Console = org.. Apache log4j. ConsoleAppender . Log4j appenders. Console. Target = System. # out the flexibility to specify the log output format, The following line is to specify the specific format of the log4j. Appender. Console. The layout = org.. Apache log4j. PatternLayout Log4j. Appender. Console. Layout. ConversionPattern = % [c] - % m % n # File size to specified size to create a new File log4j. Appender. The File = Org, apache log4j. RollingFileAppender # log4j. The output directory appender. File. The File =. / logs/SSM log # definition File maximum size . Log4j appenders. File. MaxFileSize = 10 MB # output so log, Said if switch to the DEBUG output above the DEBUG level logs log4j. Appender. File. The Threshold = ALL log4j. Appender. File. The layout = org.. Apache log4j. PatternLayout log4j.appender.File.layout.ConversionPattern =[%p] [%d{yyyy-MM-dd HH\:mm\:ss}][%c]%m%nCopy the code