字符编码过滤器，，，帮您解决乱码问题

在开发过程中难免会遇到乱码问题，很早以前就写了这个处理乱码的过滤器，拿出来透透气下，也让路过的朋友们呼吸呼吸...

<filter>    <filter-name>SetCharacterEncodingFilter</filter-name>    <filter-class>com.web0248.filter.SetCharacterEncodingFilter</filter-class>        <init-param>   <!-- 定义编码格式，我用的是utf-8 -->      <param-name>encoding</param-name>      <param-value>utf-8</param-value>    </init-param>        <init-param>    <!-- ignore参数是在过滤器类定义的 -->      <param-name>ignore</param-name>      <param-value>true</param-value>    </init-param></filter><filter-mapping>    <filter-name>SetCharacterEncodingFilter</filter-name>    <servlet-name>action</servlet-name></filter-mapping><filter-mapping>    <filter-name>SetCharacterEncodingFilter</filter-name>    <servlet-name>*.jsp</servlet-name></filter-mapping>