配置pom.xml

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <project xmlns="http://maven.apache.org/POM/4.0.0"
  3.          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  5.     <modelVersion>4.0.0</modelVersion>
  7.     <groupId>org.example</groupId>
  8.     <artifactId>SSM-Project</artifactId>
  9.     <version>1.0-SNAPSHOT</version>
  11.     <dependencies>
  12.         <!--Junit4-->
  13.         <dependency>
  14.             <groupId>junit</groupId>
  15.             <artifactId>junit</artifactId>
  16.             <version>4.12</version>
  17.         </dependency>
  19.         <!--数据库驱动-->
  20.         <dependency>
  21.             <groupId>mysql</groupId>
  22.             <artifactId>mysql-connector-java</artifactId>
  23.             <version>8.0.23</version>
  24.         </dependency>
  26.         <!-- 数据库连接池依赖，这里使用第三方连接池c3p0 -->
  27.         <dependency>
  28.             <groupId>com.mchange</groupId>
  29.             <artifactId>mchange-commons-java</artifactId>
  30.             <version>0.2.15</version>
  31.         </dependency>
  32.         <dependency>
  33.             <groupId>com.mchange</groupId>
  34.             <artifactId>c3p0</artifactId>
  35.             <version>0.9.5.2</version>
  36.         </dependency>
  38.         <!--Servlet 和 JSP 依赖 -->
  39.         <dependency>
  40.             <groupId>javax.servlet</groupId>
  41.             <artifactId>servlet-api</artifactId>
  42.             <version>2.5</version>
  43.         </dependency>
  44.         <dependency>
  45.             <groupId>javax.servlet</groupId>
  46.             <artifactId>javax.servlet-api</artifactId>
  47.             <version>4.0.1</version>
  48.         </dependency>
  49.         <dependency>
  50.             <groupId>javax.servlet.jsp</groupId>
  51.             <artifactId>jsp-api</artifactId>
  52.             <version>2.2</version>
  53.         </dependency>
  54.         <dependency>
  55.             <groupId>javax.servlet</groupId>
  56.             <artifactId>jstl</artifactId>
  57.             <version>1.2</version>
  58.         </dependency>
  60.         <!--Mybatis依赖-->
  61.         <dependency>
  62.             <groupId>org.mybatis</groupId>
  63.             <artifactId>mybatis</artifactId>
  64.             <version>3.5.2</version>
  65.         </dependency>
  66.         <dependency>
  67.             <groupId>org.mybatis</groupId>
  68.             <artifactId>mybatis-spring</artifactId>
  69.             <version>2.0.2</version>
  70.         </dependency>
  72.         <!--Spring依赖-->
  73.         <dependency>
  74.             <groupId>org.springframework</groupId>
  75.             <artifactId>spring-jdbc</artifactId>
  76.             <version>5.1.9.RELEASE</version>
  77.         </dependency>
  78.         <dependency>
  79.             <groupId>org.springframework</groupId>
  80.             <artifactId>spring-webmvc</artifactId>
  81.             <version>4.3.24.RELEASE</version>
  82.         </dependency>
  84.         <!--aop依赖-->
  85.         <dependency>
  86.             <groupId>org.aspectj</groupId>
  87.             <artifactId>aspectjweaver</artifactId>
  88.             <version>1.9.4</version>
  89.         </dependency>
  91.       <!--jsckson依赖-->
  92.        <dependency>
  93.            <groupId>com.fasterxml.jackson.core</groupId>
  94.            <artifactId>jackson-databind</artifactId>
  95.            <version>2.12.3</version>
  96.        </dependency>
  97.     </dependencies>
  99.     <!--防止xml资源导出失败的问题-->
  100.     <build>
  101.         <resources>
  102.             <resource>
  103.                 <directory>src/main/java</directory>
  104.                 <includes>
  105.                     <include>**/*.properties</include>
  106.                     <include>**/*.xml</include>
  107.                 </includes>
  108.                 <filtering>false</filtering>
  109.             </resource>
  110.             <resource>
  111.                 <directory>src/main/resources</directory>
  112.                 <includes>
  113.                     <include>**/*.properties</include>
  114.                     <include>**/*.xml</include>
  115.                 </includes>
  116.                 <filtering>false</filtering>
  117.             </resource>
  118.         </resources>
  119.     </build>
  121.     <properties>
  122.         <maven.compiler.source>8</maven.compiler.source>
  123.         <maven.compiler.target>8</maven.compiler.target>
  124.     </properties>
  126. </project>

这些仅仅只是至少需要配置的依赖，其它依赖需要根据需要导入。
注意：我们要确保这些依赖都导入WEB-INF的lib目录下面，这个lib目录需要自己在Project Structure中创建，创建lib目录之后再把依赖添加进去即可，如果不进行这一步操作，这个web项目是无法在tomcat上运行的。
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配置web.xml

<?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">

    <servlet>
        <servlet-name>DispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <!--一定要注意:我们这里加载的是总的配置文件，即applicationContext.xml-->
            <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：spring自带的过滤器，防止出现乱码问题-->
    <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过期时间为15min-->
    <session-config>
        <session-timeout>15</session-timeout>
    </session-config>

</web-app>