springmvc环境

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>com.shsxt</groupId>
  <artifactId>springmvc_1</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <name>springmvc_1 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>
    <!--spring web-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>5.2.4.RELEASE</version>
    </dependency>
    <!--springMvc-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>5.2.4.RELEASE</version>
    </dependency>
    <!--web servlet 创建servlet或jsp使用-->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>3.0.1</version>
      <scope>provided</scope>
    </dependency>

    <!-- 添加json 依赖jar包 -->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-core</artifactId>
      <version>2.10.0</version>
    </dependency>
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-databind</artifactId>
      <version>2.10.0</version>
    </dependency>
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-annotations</artifactId>
      <version>2.10.0</version>
    </dependency>
    <!--添加commons-fileupload 文件上传-->
    <dependency>
      <groupId>commons-fileupload</groupId>
      <artifactId>commons-fileupload</artifactId>
      <version>1.3.2</version>
    </dependency>


  </dependencies>

  <build>
    <finalName>springmvc_1</finalName>
<!--编译环境插件-->
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.8.0</version>
        <configuration>
          <source>1.8</source>
          <target>1.8</target>
          <encoding>utf-8</encoding>
        </configuration>
      </plugin>
      <!--jetty插件(或者tomcat也行)-->
      <plugin>
        <groupId>org.eclipse.jetty</groupId>
        <artifactId>jetty-maven-plugin</artifactId>
        <version>9.4.27.v20200227</version>
        <configuration>
          <scanIntervalSeconds>10</scanIntervalSeconds>
          <!--设置端口-->
          <httpConnector>
            <port>8080</port>
          </httpConnector>
          <!--设置项目路径-->
          <webAppConfig>
            <contextPath>/</contextPath>
          </webAppConfig>
        </configuration>
      </plugin>
      
    </plugins>
  </build>
</project>
Web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="3.0"
         xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
  <!-- 编码过滤 utf-8 -->
  <filter>
    <description>char encoding filter</description>
    <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>
  <!-- servlet请求分发器:中央控制器(项目一启动，对应的项目就启动了) -->
  <servlet>
    <servlet-name>springMvc</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:servlet-context.xml</param-value>
    </init-param>
    <!-- 表示启动容器时初始化该Servlet 值越小越先-->
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>springMvc</servlet-name>
    <!-- 这是拦截请求(满足以下请求的才会被中央控制器拦截)， "/"代表拦截所有请求，"*.do"拦截所有.do请求 -->
    <!-- <url-pattern>/</url-pattern> -->
    <url-pattern>/</url-pattern>
  </servlet-mapping>
</web-app>
servlet-context.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/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
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">
    <!-- 开启扫描器 -->
    <context:component-scan base-package="com.shsxt.springmvc.controller"/>
    <!-- 使?默认的 Servlet 来响应静态?件 -->
    <mvc:default-servlet-handler/>
    <!-- 开启注解驱动-->
    <mvc:annotation-driven/>

    <!-- mvc 请求映射 处理器与适配器配置 -->
    <mvc:annotation-driven>
        <mvc:message-converters>
            <bean
                    class="org.springframework.http.converter.StringHttpMessageConverter" />
            <bean
                    class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter" />
        </mvc:message-converters>
    </mvc:annotation-driven>

    <!-- 配置视图解析器 -->
    <bean
            class="org.springframework.web.servlet.view.InternalResourceViewResolver"
            id="internalResourceViewResolver">
        <!-- 前缀：在WEB-INF?录下的jsp?录下 -->
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <!-- 后缀：以.jsp结尾的资源 -->
        <property name="suffix" value=".jsp"/>
    </bean>

    <!-- ?件上传 -->
    <bean id="multipartResolver"
          class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    <!-- 允许?件上传的最?尺? -->
    <property name="maxUploadSize">
        <value>104857600</value>
    </property>
    <!--设置?件放?临时?件夹的最???限制。
此值是阈值，低于此值，则保存在内存中，如?于此值，则?成硬盘上的临时?件。
-->
        <property name="maxInMemorySize">
            <value>4096</value>
        </property>
    </bean>


    <!--拦截器配置方式1: 对所有controller有效-->
  <!--  <mvc:interceptors>
        <bean id="MyInterceptor" class="com.shsxt.springmvc.interceptor.MyInterceptor"></bean>
    </mvc:interceptors>
        -->
<mvc:interceptors>
    <!--拦截器链
        先配置的拦截器先执行，
        先配置拦截器的preHandle方法，先执行
        先配置拦截器的posthandle和afterComoletion方法，后执行
            -->

   <!--指定拦截器-->
   <mvc:interceptor>
        <!--设置拦截的路径  /**代表拦截所有资源，拦截路径可以使用通配符-->
        <mvc:mapping path="/**"/>
        <!--设置不拦截的路径  不拦截url下的所有资源,支持通配符可以定义多个-->
        <mvc:exclude-mapping path="/url/*"/>
        <!--不拦截hello.do这个资源 .do是配置文件配置的资源格式-->
        <mvc:exclude-mapping path="/hello.do"/>
        <bean id="myInterceptor01" class="com.shsxt.springmvc.interceptor.MyInterceptor"/>
    </mvc:interceptor>
    <mvc:interceptor>
        <!--设置拦截的路径  /**代表拦截所有资源，拦截路径可以使用通配符-->
        <mvc:mapping path="/**"/>
        <!--设置不拦截的路径  不拦截url下的所有资源,支持通配符可以定义多个-->
        <mvc:exclude-mapping path="/url/*"/>
        <!--不拦截hello.do这个资源 .do是配置文件配置的资源格式-->
        <mvc:exclude-mapping path="/hello.do"/>
        <bean id="myInterceptor02" class="com.shsxt.springmvc.interceptor.MyInterfactor02"/>
    </mvc:interceptor>
</mvc:interceptors>


</beans>

springmvc环境

原文：https://www.cnblogs.com/areUkiding/p/14389066.html