pom.xml的配置

打包方式

  1. <packaging>war</packaging>

依赖的导入

最基本的

  1.  连接数据库需要导入的
  2.  <dependency>
  3.             <groupId>mysql</groupId>
  4.             <artifactId>mysql-connector-java</artifactId>
  5.             <version>8.0.26</version>
  6.         </dependency>
  7.         <dependency>
  8.             <groupId>com.alibaba</groupId>
  9.             <artifactId>druid</artifactId>
  10.             <version>1.2.8</version>
  11.         </dependency>
  12.            <!--        Mybatis相关 -->
  13.         <dependency>
  14.             <groupId>org.mybatis</groupId>
  15.             <artifactId>mybatis</artifactId>
  16.             <version>3.5.7</version>
  17.         </dependency>
  18.         <dependency>
  19.             <groupId>org.mybatis</groupId>
  20.             <artifactId>mybatis-spring</artifactId>
  21.             <version>2.0.6</version>
  22.         </dependency>
  23.         <dependency>
  24.             <groupId>com.github.pagehelper</groupId>
  25.             <artifactId>pagehelper</artifactId>
  26.             <version>5.2.1</version>
  27.         </dependency>
  29.         <!--        SpringMVC相关-->
  30.         <dependency>
  31.             <groupId>org.springframework</groupId>
  32.             <artifactId>spring-webmvc</artifactId>
  33.             <version>5.3.9</version>
  34.         </dependency>
  35.         <dependency>
  36.             <groupId>com.fasterxml.jackson.core</groupId>
  37.             <artifactId>jackson-databind</artifactId>
  38.             <version>2.12.4</version>
  39.         </dependency>
  41.         <!--        Spring相关-->
  42.         <dependency>
  43.             <groupId>org.springframework</groupId>
  44.             <artifactId>spring-jdbc</artifactId>
  45.             <version>5.3.9</version>
  46.         </dependency>
  47.         <dependency>
  48.             <groupId>org.springframework</groupId>
  49.             <artifactId>spring-aspects</artifactId>
  50.             <version>5.3.9</version>
  51.         </dependency>
  52.           <!--        Servlet-->
  53.         <dependency>
  54.             <groupId>javax.servlet</groupId>
  55.             <artifactId>javax.servlet-api</artifactId>
  56.             <version>4.0.1</version>
  57.             <scope>provided</scope>
  58.         </dependency>

其他jar包

  1.    <!--        其他jar-->
  2.         <!--        文件上传-->
  3.         <dependency>
  4.             <groupId>commons-fileupload</groupId>
  5.             <artifactId>commons-fileupload</artifactId>
  6.             <version>1.4</version>
  7.         </dependency>
  8.         <!--简化类(小辣椒插件)-->
  9.         <dependency>
  10.             <groupId>org.projectlombok</groupId>
  11.             <artifactId>lombok</artifactId>
  12.             <version>1.18.20</version>
  13.         </dependency>
  14.              <!--        excel导入导出-->
  15.         <dependency>
  16.             <groupId>com.alibaba</groupId>
  17.             <artifactId>easyexcel</artifactId>
  18.             <version>3.0.5</version>
  19.         </dependency>
  20.         <dependency>
  21.             <groupId>org.slf4j</groupId>
  22.             <artifactId>slf4j-nop</artifactId>
  23.             <version>1.7.6</version>
  24.         </dependency>
  25.         <!--        糊涂-->
  26.         <dependency>
  27.             <groupId>cn.hutool</groupId>
  28.             <artifactId>hutool-all</artifactId>
  29.             <version>5.7.17</version>
  30.         </dependency>

插件的导入

web.xml的配置

(1)头文件

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  3.          xmlns="http://xmlns.jcp.org/xml/ns/javaee"
  4.          xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
  5.          version="3.1">
  6.  </web-app>

(2)spring核心配置文件

  1. <display-name>ssm</display-name>
  2.     <!--  1.配置Spring的上下文对象 -->
  3.     <!--  1.1初始化参数加载Spring的配置文件 -->
  4.     <context-param>
  5.         <param-name>contextConfigLocation</param-name>
  6.         <param-value>classpath:spring-*.xml</param-value>
  7.     </context-param>
  8.     <!--  1.2.Spring的核心 监听器 监听ServletContext的生命周期，并创建上下文-->
  9.     <listener>
  10.         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  11.     </listener>

(3)mvc核心文件

  1.    <!--2.Springmvc的前端控制器的配置 Servlet -->
  2.     <!--  2.1.注册SpringMVC的前端控制器 就是Servlet的注册-->
  3.     <servlet>
  4.         <servlet-name>mvc</servlet-name>
  5.         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  6.         <!-- 2.2 局部参数：声明配置文件位置 -->
  7.         <init-param>
  8.             <param-name>contextConfigLocation</param-name>
  9.             <param-value>classpath:springMVC.xml</param-value>
  10.         </init-param>
  11.     </servlet>
  12.     <!--  2.3 配置Servlet的触发路径-->
  13.     <servlet-mapping>
  14.         <servlet-name>mvc</servlet-name>
  15.         <url-pattern>*.do</url-pattern>
  16.     </servlet-mapping>
  18.     <welcome-file-list>
  19.         <welcome-file>/login.html</welcome-file>
  20.     </welcome-file-list>

springMVC.xml(resources下)配置

  1. <?xml version="1.0" encoding="UTF-8" ?>
  2. <beans     xmlns="http://www.springframework.org/schema/beans"
  3.           xmlns:context="http://www.springframework.org/schema/context"
  4.           xmlns:mvc="http://www.springframework.org/schema/mvc"
  5.           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  6.           xsi:schemaLocation="http://www.springframework.org/schema/beans
  7.                             http://www.springframework.org/schema/beans/spring-beans.xsd
  8.                             http://www.springframework.org/schema/context
  9.                             http://www.springframework.org/schema/context/spring-context.xsd
  10.                             http://www.springframework.org/schema/mvc
  11.                             http://www.springframework.org/schema/mvc/spring-mvc.xsd">
  12.     <!--    1.扫描控制层所在包，创建对应的类的对象，存储到IOC-->
  13.     <context:component-scan base-package="com.qfedu.controller"></context:component-scan>
  14.     <!--    2.配置MVC相关信息-->
  15.     <mvc:annotation-driven></mvc:annotation-driven>
  16.     <!--    放行静态资源-->
  17.     <mvc:default-servlet-handler></mvc:default-servlet-handler>
  19.     <!--    配置文件上传-->
  20.     <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
  21.         <!-- 最大可上传的文件大小  单位：byte  超出后会抛出MaxUploadSizeExceededException异常，可以异常解析器捕获 -->
  22.         <property name="maxUploadSize" value="1048576"></property>
  23.     </bean>
  24. </beans>

spring-service.xml(resources下)配置文件

  1. <?xml version="1.0" encoding="UTF-8" ?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3.        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.        xmlns:context="http://www.springframework.org/schema/context"
  5.        xmlns:aop="http://www.springframework.org/schema/aop"
  6.        xmlns:tx="http://www.springframework.org/schema/tx"
  7.        xsi:schemaLocation="http://www.springframework.org/schema/beans
  8.         http://www.springframework.org/schema/beans/spring-beans.xsd
  9.         http://www.springframework.org/schema/context
  10.         http://www.springframework.org/schema/context/spring-context.xsd
  11.         http://www.springframework.org/schema/aop
  12.         http://www.springframework.org/schema/aop/spring-aop.xsd
  13.         http://www.springframework.org/schema/tx
  14.         http://www.springframework.org/schema/tx/spring-tx.xsd">
  16.     <!--    5.扫描IOC注解所对应的包，一般扫描业务逻辑层-->
  17.     <context:component-scan base-package="com.qfedu.service.impl"></context:component-scan>
  19.     <!--    Spring声明式事务的配置-->
  20.     <!--    1.实现事务管理器的配置-->
  21.     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
  22.         <property name="dataSource" ref="dataSource"></property>
  23.     </bean>
  26.     <!--    2.实现事务增强通知 可以为匹配的方法设置事务信息-->
  27.     <tx:advice id="txAdvice" transaction-manager="transactionManager">
  28.         <tx:attributes>
  29.             <tx:method name="*" isolation="DEFAULT" propagation="REQUIRED"/>
  30.         </tx:attributes>
  31.     </tx:advice>
  32.     <!--    3.实现切面配置-->
  33.     <aop:config proxy-target-class="true">
  34.         <aop:pointcut id="pc" expression="execution(* com.qfedu.service.impl.*.*Tx(..))"/>
  35.         <aop:advisor advice-ref="txAdvice" pointcut-ref="pc" ></aop:advisor>
  36.     </aop:config>
  38. </beans>

spring-dao.xml(resources下)配置文件

  1. <?xml version="1.0" encoding="UTF-8" ?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3.        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.        xsi:schemaLocation="http://www.springframework.org/schema/beans
  5.         http://www.springframework.org/schema/beans/spring-beans.xsd">
  7.     <!--   1.加载外部的配置，一般都是数据库连接信息 -->
  8.     <!--    <context:property-placeholder location="classpath*:dbconfig.properties"></context:property-placeholder>-->
  10.     <!--    2.配置数据库连接信息，创建数据库连接池的对象-->
  11.     <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close">
  12.         <property name="url" value="jdbc:mysql://110.40.192.129:3308/db_wangba?useUnicode=true&amp;serverTimezone=Asia/Shanghai&amp;characterEncoding=UTF8"></property>
  13.         <property name="driverClassName" value="com.mysql.cj.jdbc.Driver"></property>
  14.         <property name="username" value="root"></property>
  15.         <property name="password" value="zzjava"></property>
  16.     </bean>
  18.     <!--    3.配置Mybatis的连接工厂信息-->
  19.     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
  20.         <!--        设置数据库连接池-->
  21.         <property name="dataSource" ref="dataSource"></property>
  22.         <!--        配置映射文件所在的路径-->
  23.         <property name="mapperLocations">
  24.             <array>
  25.                 <value>classpath:mapper/*Mapper.xml</value>
  26.             </array>
  27.         </property>
  28.         <property name="plugins">
  29.             <array>
  30.                 <!--                实现分页-->
  31.                 <bean class="com.github.pagehelper.PageInterceptor"></bean>
  32.             </array>
  33.         </property>
  34.     </bean>
  36.     <!--    4.Mybatis的扫描的对象 指定持久层的包-->
  37.     <bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
  38.         <property name="sqlSessionFactory" ref="sqlSessionFactory"></property>
  39.         <property name="basePackage" value="com.qfedu.dao"></property>
  40.     </bean>
  42. </beans>

文件的基本结构

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