ssm框架基础配置

ssm的web.xml的配置：
  <?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
  <display-name>ssm_basic_20170221701</display-name>
 
  <!-- spring监听器 -->
  <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>
 
  <!-- springmvc前端控制器 -->
  <servlet>
<servlet-name>spring</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
<servlet-name>spring</servlet-name>
<url-pattern>/</url-pattern>
  </servlet-mapping>
 
  <!-- spring解决中文乱码的过滤器 -->
  <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>forceEncoding</param-name> 
            <param-value>true</param-value> 
        </init-param> 
    </filter> 
    <filter-mapping> 
        <filter-name>characterEncodingFilter</filter-name> 
        <url-pattern>/*</url-pattern> 
    </filter-mapping>
 
  <welcome-file-list>
    <welcome-file>login.do</welcome-file>
  </welcome-file-list>
</web-app>