解决tomcat启动 ssm项目出现乱码的问题

<!-- 请求编码过滤器 -->
	<filter>
		<filter-name>CharacterEncodingFilter</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<!-- 配置初始化参数 -->
		<init-param>
			<param-name>encoding</param-name>
			<param-value>utf-8</param-value>
		</init-param>
			<param-name>forceRequestEncoding</param-name>
			<param-value>true</param-value>
			<param-name>forceResponseEncoding</param-name>
	</filter>

	<filter-mapping>
		<url-pattern>/*</url-pattern>
	</filter-mapping>