ssm的web.xml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>ssm2</display-name>
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
  
   <!-- 指定spring的配置文件的路径和名称  -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:beans.xml</param-value>
	</context-param>

	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	<!-- 配置springmvc的前端控制器 -->
	<servlet>
		<servlet-name>springDispatcherServlet</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:springmvc.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>

	<servlet-mapping>
		<servlet-name>springDispatcherServlet</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>
	<!-- 配置处理post乱码请求的filter -->
	<filter>
	   <filter-name>CharacterEncodingFilter</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>CharacterEncodingFilter</filter-name>
	   <url-pattern>/*</url-pattern>
	</filter-mapping>
	
	<!-- 配置将post请求转换成put请求或delete请求的过滤器 -->
	<filter>
	  <filter-name>HiddenHttpMethodFilter</filter-name>
	  <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
	</filter>
	<filter-mapping>
	  <filter-name>HiddenHttpMethodFilter</filter-name>
	  <url-pattern>/*</url-pattern>
	</filter-mapping>
</web-app>