<!-- 解決亂碼問題 -->
 	<filter>
    <filter-name>characterEncoding</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
        	<!-- encoding是filter路徑中真實存在的屬性-切勿亂改 -->
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
  </filter>
  <filter-mapping>
    <filter-name>characterEncoding</filter-name>
    <!-- 過濾所有請求 -->
    <url-pattern>/*</url-pattern>
  </filter-mapping>