1. <?xml version="1.0" encoding="UTF-8"?>
    2. <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
    3.          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    4.          xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
    5.          version="4.0">
    7.     <!--1、项目启动，启动Spring的容器，加载配置文件-->
    8.     <context-param>
    9.         <param-name>contextConfigLocation</param-name>
    10.         <param-value>classpath:springapplication.xml</param-value>
    11.     </context-param>
    12.     <listener>
    13.         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    14.     </listener>
    16.     <!--SpringMVC前端控制器，拦截所有请求-->
    17.     <servlet>
    18.         <servlet-name>dispatcherServlet</servlet-name>
    19.         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    20.         <init-param>
    21.             <param-name>contextConfigLocation</param-name>
    22.             <param-value>classpath:dispatcherServlet-Servlet.xml</param-value>
    23.         </init-param>
    24.         <load-on-startup>1</load-on-startup>
    25.     </servlet>
    26.     <servlet-mapping>
    27.         <servlet-name>dispatcherServlet</servlet-name>
    28.         <url-pattern>/</url-pattern>
    29.     </servlet-mapping>
    31.     <!--字符集过滤器，需要方在所有过滤器之前-->
    32.     <filter>
    33.         <filter-name>CharacterEncodingFilter</filter-name>
    34.         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    35.         <!--设置字符集编码-->
    36.         <init-param>
    37.             <param-name>encoding</param-name>
    38.             <param-value>utf-8</param-value>
    39.         </init-param>
    40.         <!--请求编码强制使用utf-8-->
    41.         <init-param>
    42.             <param-name>forceRequestEncoding</param-name>
    43.             <param-value>true</param-value>
    44.         </init-param>
    45.         <!--响应编码强制使用utf-8-->
    46.         <init-param>
    47.             <param-name>forceResponseEncoding</param-name>
    48.             <param-value>true</param-value>
    49.         </init-param>
    50.     </filter>
    51.     <filter-mapping>
    52.         <filter-name>CharacterEncodingFilter</filter-name>
    53.         <url-pattern>/*</url-pattern>
    54.     </filter-mapping>
    56.     <!--使用rest风格的URL,将普通的post请求转为delete或put-->
    57.     <filter>
    58.         <filter-name>hiddenHttpMethodFilter</filter-name>
    59.         <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
    60.     </filter>
    61.     <filter-mapping>
    62.         <filter-name>hiddenHttpMethodFilter</filter-name>
    63.         <url-pattern>/*</url-pattern><!--拦截所有-->
    64.     </filter-mapping>
    65. </web-app>