Mybatis的配置文件

编写所需配置文件
spring框架所需配置文件: applicationContext.xml
springmvc框架所需配置文件: springmvc-config.xml
mybatis框架所需配置文件: mybatis-config.xml
db数据库连接所需配置文件: db.properties
日志框架所需配置文件: log4j.properties
Web程序所需配置文件: web.xml

pom.xml导入所需依赖的jar包

<?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>org.example</groupId>
 <artifactId>PhoneMall</artifactId>
 <version>1.0-SNAPSHOT</version>
 <packaging>war</packaging>
 <name>PhoneMall 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>1.8</maven.compiler.source>
  <maven.compiler.target>1.8</maven.compiler.target>
 </properties>
 <dependencies>
  <!--1. Spring框架的依赖-->
   <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-context</artifactId>
    <version>5.2.5.RELEASE</version>
   </dependency>
   <!--Aop的辅助依赖Aspects-->
   <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-aspects</artifactId>
    <version>5.2.5.RELEASE</version>
   </dependency>
   <!--Spring-Jdbc-->
   <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-jdbc</artifactId>
    <version>5.2.5.RELEASE</version>
   </dependency>
   <!--Spring-test-->
   <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-test</artifactId>
    <version>5.2.5.RELEASE</version>
   </dependency>
  <!--2. Springmvc框架的依赖-->
   <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-webmvc</artifactId>
    <version>5.2.5.RELEASE</version>
   </dependency>
  <!--3. mybatis框架的依赖：核心依赖和辅助依赖-->
   <!--3.1 mybatis框架的核心依赖-->
   <dependency>
    <groupId>org.mybatis</groupId>
    <artifactId>mybatis</artifactId>
    <version>3.5.4</version>
   </dependency>
  <!--3.2 mybatis框架的辅助依赖-->
   <!--导入commons-logging的jar包-->
  <dependency>
   <groupId>commons-logging</groupId>
   <artifactId>commons-logging</artifactId>
   <version>1.2</version>
  </dependency>
   <!--导入log4j依赖-->
  <dependency>
   <groupId>log4j</groupId>
   <artifactId>log4j</artifactId>
   <version>1.2.17</version>
  </dependency>
  <dependency>
   <groupId>org.apache.logging.log4j</groupId>
   <artifactId>log4j-api</artifactId>
   <version>2.12.1</version>
  </dependency>
  <dependency>
   <groupId>org.apache.logging.log4j</groupId>
   <artifactId>log4j-core</artifactId>
   <version>2.12.1</version>
  </dependency>
  <dependency>
   <groupId>org.slf4j</groupId>
   <artifactId>slf4j-api</artifactId>
   <version>1.7.25</version>
  </dependency>
  <dependency>
   <groupId>org.slf4j</groupId>
   <artifactId>slf4j-log4j12</artifactId>
   <version>1.7.25</version>
  </dependency>
  <dependency>
   <groupId>ognl</groupId>
   <artifactId>ognl</artifactId>
   <version>3.1.12</version>
  </dependency>
  <!--4. mybatis-spring框架整合的依赖-->
  <dependency>
   <groupId>org.mybatis</groupId>
   <artifactId>mybatis-spring</artifactId>
   <version>2.0.0</version>
  </dependency>
  <!--5. mysql数据库的依赖-->
  <dependency>
   <groupId>mysql</groupId>
   <artifactId>mysql-connector-java</artifactId>
   <version>5.1.47</version>
  </dependency>
  <!--6. 数据库连接池druid的依赖-->
  <dependency>
   <groupId>com.alibaba</groupId>
   <artifactId>druid</artifactId>
   <version>1.1.14</version>
  </dependency>
  <!--7. MyBatis分页PageHelper的依赖-->
  <dependency>
   <groupId>com.github.pagehelper</groupId>
   <artifactId>pagehelper</artifactId>
   <version>5.1.10</version>
  </dependency>
  <!--8. Servlet4.0的依赖-->
  <dependency>
   <groupId>javax.servlet</groupId>
   <artifactId>javax.servlet-api</artifactId>
   <version>4.0.1</version>
  </dependency>
  <!--9. Jsp的依赖-->
  <dependency>
   <groupId>javax.servlet.jsp</groupId>
   <artifactId>jsp-api</artifactId>
   <version>2.2</version>
  </dependency>
  <!--10. Jstl的依赖:taglibs-->
  <dependency>
   <groupId>org.apache.taglibs</groupId>
   <artifactId>taglibs-standard-spec</artifactId>
   <version>1.2.5</version>
  </dependency>
  <dependency>
   <groupId>org.apache.taglibs</groupId>
   <artifactId>taglibs-standard-impl</artifactId>
   <version>1.2.5</version>
  </dependency>
  <!--11. 工具类的依赖-->
  <!--非空校验工具类-->
  <dependency>
   <groupId>org.apache.commons</groupId>
   <artifactId>commons-lang3</artifactId>
   <version>3.10</version>
  </dependency>
  <!--上传的工具类-->
  <dependency>
   <groupId>commons-fileupload</groupId>
   <artifactId>commons-fileupload</artifactId>
   <version>1.4</version>
  </dependency>
  <!--下载的工具类-->
  <dependency>
   <groupId>commons-io</groupId>
   <artifactId>commons-io</artifactId>
   <version>2.6</version>
  </dependency>
  <!--12. 蚂蚁金服的支付的依赖-->
  <dependency>
   <groupId>com.alipay.sdk</groupId>
   <artifactId>alipay-sdk-java</artifactId>
   <version>3.3.49.ALL</version>
  </dependency>
  <!--13. 单元测试的依赖-->
  <dependency>
   <groupId>junit</groupId>
   <artifactId>junit</artifactId>
   <version>4.13</version>
   <scope>test</scope>
  </dependency>
 </dependencies>
</project>

applicationContext.xml的编写

<?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:context="http://www.springframework.org/schema/context"
   xmlns:aop="http://www.springframework.org/schema/aop"
   xmlns:tx="http://www.springframework.org/schema/tx"
   xsi:schemaLocation="http://www.springframework.org/schema/beans
    https://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    https://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/tx
    https://www.springframework.org/schema/tx/spring-tx.xsd
    http://www.springframework.org/schema/aop
    https://www.springframework.org/schema/aop/spring-aop.xsd">
  <!--1. 先去读取数据库的配置文件： db.properties-->
  <context:property-placeholder location="classpath:db.properties" />
  <!--2. [IOC]定义数据源： id class-->
  <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
    <!--2.1 设置数据源的属性： name=数据库的驱动  value-->
    <property name="driverClassName" value="${druid.driverClassName}">
</property>
    <!--2.2 设置数据源的属性： name=数据库的链接  value-->
    <property name="url" value="${druid.url}"></property>
    <!--2.3 设置数据源的属性： name=数据库的用户名 value-->
    <property name="username" value="${druid.username}"></property>
    <!--2.4 设置数据源的属性： name=数据库的密码  value-->
    <property name="password" value="${druid.password}"></property>
  </bean>
  <!--3. [IOC]定义事务管理器: 数据源事务管理-->
  <bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <!--3.1 设置事务管理器的属性： name=数据源的id  ref数据源的id -->
    <property name="dataSource" ref="dataSource"></property>
  </bean>
  <!--4. 开启事务的注解，关联定义过的管理器-->
  <tx:annotation-driven transaction-manager="transactionManager"/>
  <!--5. [IOC] 定义MyBatis的控制翻转(IOC): 核心类是 SqlSessionFactoryBean -->
  <bean id="sqlSessionFactory"
class="org.mybatis.spring.SqlSessionFactoryBean">
    <!--5.1 设置MyBatis的属性： name=数据源的id  ref数据源的id -->
    <property name="dataSource" ref="dataSource" />
    <!--5.2 设置mybatis配置文件所在的位置： name=数据库的驱动  value-->
    <property name="configLocation" value="classpath:mybatis-config.xml" />
<!--配置mybatis全局的配置文件-->
    <!--5.3 配置映射文件-->
    <property name="mapperLocations" value="classpath:mapper/*.xml" />
    <!--配置在resources/mapper下的映射文件-->
  </bean>
  <!--6. [IOC]定义MyBatis接口扫描信息 核心类是 MapperScannerConfig -->
  <bean id="mapperScannerConfigurer"
 class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    <!--扫描的基础包：cn.javabs.phonemall.mapper-->
    <property name="basePackage" value="cn.javabs.phonemall.mapper" />
  </bean>
  <!-- 7. 扫描Service层、Mappper层 的注解 -->
  <context:component-scan base-package="cn.javabs.phonemall" />
</beans>

springmvc-config.xml的编写

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
   xmlns:mvc="http://www.springframework.org/schema/mvc"
   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
    https://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/mvc
    https://www.springframework.org/schema/mvc/spring-mvc.xsd
     http://www.springframework.org/schema/context
    https://www.springframework.org/schema/context/spring-context.xsd">
  <!--1. 开启springmvc的注解扫描配置： 可以使用@Controller这种方式-->
  <context:component-scan base-package="cn.javabs.phonemall.controller" />
  <!--2. 开启mvc的注解驱动-->
  <mvc:annotation-driven />
  <!--3. 配置静态资源-->
  <mvc:resources mapping="/resource/js/**" location="/resource/js/">
</mvc:resources>
  <mvc:resources mapping="/resource/css/**" location="/resource/css/">
</mvc:resources>
  <mvc:resources mapping="/resource/images/**" location="/resource/images/">
</mvc:resources>
  <mvc:resources mapping="/resource/fonts/**" location="/resource/fonts/">
</mvc:resources>
  <!--4. 配置视图解析器 -->
  <bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    <property name="prefix" value=""></property>
    <property name="suffix" value=".jsp"></property>
  </bean>
  <!--5. 配置拦截器 -->
  <mvc:interceptors>
    <mvc:interceptor>
      <!--1. 拦截： 配置登录拦截器-->
      <mvc:mapping path="/admin/**/"/>
      <bean class="cn.javabs.phonemall.controller.AdminInterceptor">
</bean>
    </mvc:interceptor>
  </mvc:interceptors>
  <!--6. 配置多媒体文件解析器 用于文件的上传操作-->
  <bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    <!--设置文件上传的大小，最大允许上传的尺寸为5MB--><!--1024*1024*10/2=5242880-->
    <property name="maxUploadSizePerFile" value="5242880"></property>
    <property name="defaultEncoding" value="UTF-8"></property>
  </bean>
</beans>

编写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">
<!--根标签-->
<configuration>
  <!--1. 分页插件 pagehelper -->
  <plugins>
    <plugin interceptor="com.github.pagehelper.PageHelper">
    </plugin>
  </plugins>
</configuration>

编写db.properties

#定义数据库驱动
druid.driverClassName=com.mysql.jdbc.Driver
#定义数据库连接
druid.url=jdbc:mysql://localhost:3306/phonemall
#定义数据库用户名
druid.username=root
#定义数据库密码
druid.password=root
#定义初始连接数
druid.initialSize=0
#定义最大连接数
druid.maxActive=20
#定义最大空闲
druid.maxIdle=20
#定义最小空闲
druid.minIdle=1
#定义最长等待时间
druid.maxWait=60000

编写log4j.properties

#定义LOG输出级别
log4j.rootLogger=INFO,Console,File
#定义日志输出目的地为控制台
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
#可以灵活地指定日志输出格式，下面一行是指定具体的格式
log4j.appender.Console.layout = org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n
#文件大小到达指定尺寸的时候产生一个新的文件
log4j.appender.File = org.apache.log4j.RollingFileAppender
#指定输出目录
log4j.appender.File.File = logs/ssm.log
#定义文件最大大小
log4j.appender.File.MaxFileSize = 10MB
# 输出所以日志，如果换成DEBUG表示输出DEBUG以上级别日志
log4j.appender.File.Threshold = ALL
log4j.appender.File.layout = org.apache.log4j.PatternLayout
log4j.appender.File.layout.ConversionPattern =[%p] [%d{yyyy-MM-dd HH:mm:ss}][%c]%m%n

编写web.xml导入

 <?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">
  <!--1. spring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>
  <!--2. springmvc的前端控制器 -->
  <servlet>
    <servlet-name>springmvc</servlet-name>
    <servlet-
class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <!--设置初始化参数-->
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:springmvc-config.xml</param-value>
    </init-param>
    <!--启动方式：程序一启动就加载本配置-->
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>/</url-pattern>
    </servlet-mapping>
  <!--3. 核心过滤器 -->
  <filter>
    <filter-name>CharacterEncodingFilter</filter-name>
    <filter-
class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <!--设置初始化参数-->
    <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>
</web-app>