处理中文乱码
<filter>
<filter-name>encodingFilter</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>
核心控制器
<servlet>
<servlet-name>springmvcdemo</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<!-- 用classpath直接锁定,让它在src中查找,类似于绝对路径 -->
<param-value>classpath:springmvcdemo.xml</param-value>
</init-param>
<!-- 优先加载 -->
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springmvcdemo</servlet-name>
<!-- 确定控制器后缀 -->
<url-pattern>*.acction</url-pattern>
</servlet-mapping>
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