springmvc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">

   <!--1.注册servlet-->
   <servlet>
       <servlet-name>SpringMVC</servlet-name>
       <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
       <!--通过初始化参数指定SpringMVC配置文件的位置，进行关联-->
       <init-param>
           <param-name>contextConfigLocation</param-name>
           <param-value>classpath:springmvc-servlet.xml</param-value>
       </init-param>
       <!-- 启动顺序，数字越小，启动越早 -->
       <load-on-startup>1</load-on-startup>
   </servlet>

   <!--所有请求都会被springmvc拦截 -->
   <servlet-mapping>
       <servlet-name>SpringMVC</servlet-name>
       <url-pattern>/</url-pattern>
   </servlet-mapping>

   <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>
   </filter>
   <filter-mapping>
       <filter-name>encoding</filter-name>
       <url-pattern>/*</url-pattern>
   </filter-mapping>

</web-app>