监听器，核心控制器，过滤器文件配置

<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1"> <display-name>day_10_1_homework</display-name> <!--开启Spring框架 --> <!--监听器 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!--确定Spring配置文件的位置 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value> </context-param> <!--开启Spring-mvc框架 --> <servlet> <servlet-name>dispatcherServlet</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!--确定Spring-mvc配置文件的位置 --> <init-param> <param-name>dispatcherServlet</param-name> <param-value>classpath:applicationContext-mvc.xml</param-value> </init-param> <!--Spring-mvc框架和服务器一起启动 --> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dispatcherServlet</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <!--过滤器，处理字符集编码问题 --> <filter> <filter-name>characterEncoding</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <!--设置字符集 --> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> <!--强制指定字符编码，即使request或response设置了字符编码，也会强制使用当前设置的,任何情况下强制使用此编码--> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <!--过滤器的映射配置 --> <filter-mapping> <filter-name>characterEncoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>