SSM-Maven配置

全配置

• 新建项目

• 新建文件夹

- src
  - main
    - java
    - resources
    - webapp
      - WEB-INF
      - index.jsp
- 

• pom.xml

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

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>ssm_maven</groupId>
    <artifactId>ssm_maven</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>

    <name>ssm_maven Maven Webapp</name>
    <!-- FIXME change it to the project's website -->
    <url>http://www.example.com</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.7</maven.compiler.source>
        <maven.compiler.target>1.7</maven.compiler.target>
    </properties>

    <dependencies>
        <!-- servlet依赖，版本需要和servlet容器的一致 -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
            <scope>provided</scope>
        </dependency>
        <!-- 下面是mybatis和mybatis与spring整合的jar包 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.6</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.2</version>
        </dependency>
        <!-- log4j2 -->
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
            <version>2.8.1</version>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-api</artifactId>
            <version>2.8.1</version>
        </dependency>
        <!-- mysql数据库的驱动包 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.12</version>
        </dependency>
        <!-- 单元测试所用的包 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <!-- 下面是spring需要的包，包括必备的core、beans、context、aop，与数据库相关的jdbc、tx，同时aop需要用到aspectjweaver包 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>5.0.8.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>5.0.8.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>5.0.8.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>5.0.8.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-expression</artifactId>
            <version>5.0.8.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>5.1.0.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>5.1.0.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.9.1</version>
        </dependency>
        <!-- 效验器需要的jar包 -->
        <dependency>
            <groupId>javax.validation</groupId>
            <artifactId>validation-api</artifactId>
            <version>2.0.1.Final</version>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>5.4.1.Final</version>
        </dependency>
        <!-- spring mvc需要的jar包 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>5.0.8.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>5.0.8.RELEASE</version>
        </dependency>
        <!-- 数据源用到的包 -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-dbcp2</artifactId>
            <version>2.5.0</version>
        </dependency>
        <!-- 使用json需要用到的jar包 fastjson/Gson -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.62</version>
        </dependency>
        <!--springMVC需要的json包-->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.9.7</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>2.9.7</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.9.7</version>
        </dependency>
        <!-- 文件上传使用的jar包 -->
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.3.3</version>
        </dependency>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.5</version>
        </dependency>
        <!-- lang3工具包 -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.4</version>
        </dependency>
    </dependencies>

    <build>
        <finalName>ssm</finalName>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
        <resources>
            <!-- 编译之后包含xml -->
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.xml</include>
                </includes>
                <filtering>true</filtering>
            </resource>
            <!-- 编译之后包含xml和properties -->
            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>**/*</include>
                </includes>
                <filtering>true</filtering>
            </resource>
        </resources>
    </build>
</project>

每次修改maven配置后需要右键pom.xml选择maven点击reimport

• WEB-INF/web.xml

<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">
    <display-name>Archetype Created Web Application</display-name>
    <!-- 配置加载Spring文件的监听器-->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <listener>
        <listener-class>
            org.springframework.web.context.ContextLoaderListener
        </listener-class>
    </listener>
    <!-- 配置Spring MVC前端核心控制器 -->
    <servlet>
        <servlet-name>dispatcher</servlet-name>
        <servlet-class>
            org.springframework.web.servlet.DispatcherServlet
        </servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springmvc-config.xml</param-value>
        </init-param>
        <!-- 配置服务器启动后立即加载Spring MVC配置文件 -->
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatcher</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    <!-- tomocat自带的编码过滤器 -->
    <filter>
        <filter-name>encoding</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>encoding</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

• resources/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"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:task="http://www.springframework.org/schema/task"
       xsi:schemaLocation="
          http://www.springframework.org/schema/beans
          http://www.springframework.org/schema/beans/spring-beans.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
          http://www.springframework.org/schema/context
          http://www.springframework.org/schema/context/spring-context.xsd
          http://www.springframework.org/schema/task
          http://www.springframework.org/schema/task/spring-task-3.0.xsd">
    
    <!-- spring 注解 -->
    <context:annotation-config/>
    <context:component-scan base-package="com.pdt.ssm"/>
   
    <!-- 定时器注解 -->
    <task:annotation-driven />
    
    <!--读取db.properties -->
    <context:property-placeholder location="classpath:db.properties"/>

    <!-- 数据库连接池 -->
    <bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource">
        <property name="driverClassName" value="${jdbc.driver}"/>
        <property name="url" value="${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="${jdbc.initialSize}" />-->
        <!-- 连接池最大数量 -->
        <property name="maxTotal" value="${jdbc.maxTotal}"/>
        <!-- 连接池最大空闲 -->
        <property name="maxIdle" value="${jdbc.maxIdle}"/>
        <!-- 连接池最小空闲 -->
        <property name="minIdle" value="${jdbc.minIdle}"/>
        <!-- 获取连接最大等待时间 -->
        <property name="maxWaitMillis" value="${jdbc.maxWaitMillis}"/>
    </bean>

    <!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
    <bean id="SqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource"/>
        <!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
        <!-- 扫描sql配置文件:mapper需要的xml文件 -->
        <!-- 这是配置xml扫描的，当只要用注解不用xml，可以不要下面这个配置-->
        <property name="mapperLocations" value="classpath:com/pdt/ssm/mapper/*.xml" />
    </bean>

    <!--配置sqlSessionTemplate：通过带参数的构造方法创建对象 -->
    <!--    如果只要使用注解,不需要配置这个，这个是给xml使用的-->
    <bean id="sqlSessionTemplate" class="org.mybatis.spring.SqlSessionTemplate">
        <!-- 以sqlSessionFactory为参数传入构造函数中 -->
        <constructor-arg ref="SqlSessionFactory" />
    </bean>

    <!-- 配置 Spring 的 org.springframework.jdbc.core.JdbcTemplate -->
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
         <property name="dataSource" ref="dataSource"></property>
    </bean>

    <!-- 扫描basePackage下所有以@MyBatisDao注解的接口 -->
    <!-- 这是扫描注解的，当只使用xml，不要注解的话，可以把整个MapperScannerConfigurer删掉-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- 给出需要扫描Dao接口包，扫描位置一定要准确 -->
        <property name="basePackage" value="com.pdt.ssm.dao"/>
    </bean>

    <!--事务管理器配置-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!-- 使用注解定义事务 -->
    <tx:annotation-driven transaction-manager="transactionManager"/>

    <!--切面-->
    <!-- 激活自动代理功能 -->
    <aop:aspectj-autoproxy proxy-target-class="true"/>
</beans>

• resources/springmvc-config.xml

<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-4.3.xsd
    http://www.springframework.org/schema/mvc
    http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-4.3.xsd">

    <!-- 配置扫描器 -->
    <context:component-scan base-package="com.pdt.ssm.controller"/>
    <context:component-scan base-package="com.pdt.ssm.util"/>
    
    <!-- 注解驱动：配置处理器映射器和适配器 -->
    <mvc:annotation-driven>
        <!-- 不使用后缀匹配 -->
        <mvc:path-matching suffix-pattern="false"/>
    </mvc:annotation-driven>

    <!-- 允许静态资源访问 -->
    <mvc:default-servlet-handler/>

    <!-- 配置视图解释器ViewResolver,使用jsq，也可以改用formarker或者其他 -->
    <bean id="jspViewResolver" class=
            "org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/view/"/>
        <property name="suffix" value=".jsp"/>
    </bean>

    <!-- 配置文件上传的解析器 -->
    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <property name="defaultEncoding" value="UTF-8"/>
        <!-- 设置最大上传大小 -->
        <property name="maxUploadSize" value="5242880"/>
    </bean>
</beans>

• resources/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>
	<!-- 配置全局属性 -->
	<settings>
            <!--设置日志-->
	    <setting name="logImpl" value="LOG4J2" />

	    <!-- 使用jdbc的getGeneratedKeys获取数据库自增主键值 -->
	    <setting name="useGeneratedKeys" value="true" />

	    <!-- 使用列别名替换列名 默认:true -->
	    <setting name="useColumnLabel" value="true" />

	    <!-- 开启驼峰命名转换:Table{create_time} -> Entity{createTime} -->
	    <setting name="mapUnderscoreToCamelCase" value="true" />
	</settings>
</configuration>

• resources/db.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/xxx?useSSL=false&serverTimezone=GMT%2B8&allowPublicKeyRetrieval=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=
jdbc.maxTotal=30
jdbc.maxIdle=10
jdbc.minIdle=1
jdbc.maxWaitMillis=60000

• resources/log4j2.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--日志级别以及优先级排序: OFF > FATAL > ERROR > WARN > INFO > DEBUG > TRACE > ALL -->
<!--Configuration后面的status，这个用于设置log4j2自身内部的信息输出，可以不设置，当设置成trace时，你会看到log4j2内部各种详细输出-->
<configuration  status="info">
    <!-- 变量配置 应该是日志文件保存路径-->
    <Properties>
        <!-- （*必须,各应用需要修改） 部署应用的名称,命名规则 :全部小写字母、中短横线、数字,与微服务命名,disconf中命名一致 -->
        <property name="APPNAME">park-service</property>
        <!-- （各应用需要修改）日志文件本地存放目录路径 建议各个环境跟生产环境统一起来,方便维护 -->
        <Property name="logBaseFolder">/logs</Property>
        <!-- *必须并强制遵守 日志文件的编码 -->
        <property name="log_charset">UTF-8</property>
        <!--输出日志格式-->
        <property name="log_pattern">
            %d{yyyy-MM-dd HH:mm:ss} [%t] %-5p %c{1}:%L - %msg%n
        </property>
    </Properties>

    <!--先定义所有的appender-->
    <appenders>
        <!--这个输出控制台的配置-->
        <console name="Console" target="SYSTEM_OUT">
            <!--输出日志的格式 %l :表示某个类-->
            <PatternLayout pattern="[%d{HH:mm:ss:SSS}] [%t] %-5p %c{1}:%L - %msg%n"/>
        </console>

        <!-- 这个会打印出所有的info及以下级别的信息，每次大小超过size，则这size大小的日志会自动存入按年份-月份建立的文件夹下面并进行压缩，作为存档-->
        <RollingFile name="RollingFileInfo" fileName="${logBaseFolder}/${APPNAME}-info.log"
                     filePattern="${logBaseFolder}/%d{yyyy-MM}/${APPNAME}-info-%d{dd HH:mm:ss}.%i.log.gz">
            <ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY"/>
            <!-- 日志输出格式 -->
            <PatternLayout charset="${log_charset}" pattern="${log_pattern}" />
            <!-- 以下是日志压缩包目录的建议格式名称 建议1天归档依次，压缩文件上线建议为200,这里预估每个磁盘存储空间200G左右，每个压缩包最大值200MB -->
            <Policies>
                <TimeBasedTriggeringPolicy  modulate="true" interval="1"/>
                <SizeBasedTriggeringPolicy size="20MB"/>
            </Policies>
        </RollingFile>

        <RollingFile name="RollingFileDebug" fileName="${logBaseFolder}/${APPNAME}-debug.log"
                     filePattern="${logBaseFolder}/%d{yyyy-MM}/${APPNAME}-debug-%d{dd HH:mm:ss}.%i.log.gz">
            <ThresholdFilter level="debug" onMatch="ACCEPT" onMismatch="DENY"/>
            <!-- 日志输出格式 -->
            <PatternLayout charset="${log_charset}" pattern="${log_pattern}" />
            <!-- 以下是日志压缩包目录的建议格式名称 建议1天归档依次，压缩文件上线建议为200,这里预估每个磁盘存储空间200G左右，每个压缩包最大值200MB -->
            <Policies>
                <TimeBasedTriggeringPolicy  modulate="true" interval="1"/>
                <SizeBasedTriggeringPolicy size="20MB"/>
            </Policies>
        </RollingFile>

        <RollingFile name="RollingFileError" fileName="${logBaseFolder}/${APPNAME}-error.log"
                     filePattern="${logBaseFolder}/%d{yyyy-MM}/${APPNAME}-error-%d{dd HH:mm:ss}.%i.log.gz">
            <ThresholdFilter level="error" onMatch="ACCEPT" onMismatch="DENY"/>
            <PatternLayout charset="${log_charset}" pattern="${log_pattern}" />
            <Policies>
                <TimeBasedTriggeringPolicy  modulate="true" interval="1"/>
                <SizeBasedTriggeringPolicy size="20 MB"/>
            </Policies>
        </RollingFile>
    </appenders>

    <!--然后定义logger，只有定义了logger并引入的appender，appender才会生效-->
    <loggers>
        <!-- 注解查询的日记-->
        <logger name="com.pdt.ssm.dao" level="DEBUG">
            <appender-ref ref="RollingFileDebug"/>
        </logger>
        <!-- xml文件查询的日记-->
        <logger name="mapper" level="DEBUG">
            <appender-ref ref="RollingFileDebug"/>
        </logger>
        <!-- 用logger方法记录的日志-->
        <root level="info">
            <appender-ref ref="Console"/>
            <appender-ref ref="RollingFileInfo"/>
            <appender-ref ref="RollingFileError"/>
        </root>
    </loggers>
</configuration>

上面引用了几个工具包，API查看

• commons-lang3
• commons-io

关于日志包

• log4j，Logger.getLogger()，配置文件是properties
• log4j2，LogManager.getLogger()，配置文件时xml
• commons-logging，LogFactory.getLog()
• Logback
• SLF4J