此配置文件包括:
1.启动Spring的容器,在项目启动时加载Spring的配置文件——applicationContext.xml(这是自己创建的配置文件,具体配置将写在SSM框架-5.配置Spring中)
2.SpringMVC的前端控制器,用来拦截前端的所有请求:在此配置中如不指定SpringMVC配置文件的位置则需在web.xml同级的目录下有一个配置文件,文件名为<servlet-name>标签后的名称加-servlet.xml,本文章采用的为此方法,dispatcherServlet-servlet.xml(这是自己创建的配置文件,具体配置将写在SSM框架-4.配置SpringMVC中)
3.字符编码过滤器
4.配置使用统一Rest风格的URL
具体代码如下↓↓↓
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<display-name>Archetype Created Web Application</display-name>
<!--1、启动Spring的容器-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--2、springMVC的前端控制器,拦截所有请求-->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
3、字符编码过滤器
<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>
<init-param>
<param-name>forceRequestEncoding</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>forceResponseEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--4.使用Rest风格的URI-->
<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>