解决JSP乱码的过滤器

----*web.xml *----

  <filter>    <filter-name>MyFilter</filter-name>    <filter-class>cray.util.MyFilter</filter-class>  </filter>    <filter-mapping>    <filter-name>MyFilter</filter-name>    <url-pattern>/*</url-pattern>  </filter-mapping>

 

------------MyFilter.java-------------

import javax.servlet.*;import javax.servlet.http.HttpServlet;import java.io.IOException;

public class MyFilter extends HttpServlet implements Filter { private FilterConfig filterConfig;

 public void init(FilterConfig filterConfig) throws ServletException  {  this.filterConfig = filterConfig; }

 public void doFilter(ServletRequest request, ServletResponse response,   FilterChain filterChain)  {

  try   {   request.setCharacterEncoding("GBK");   filterChain.doFilter(request, response);

  } catch (ServletException sx)   {   filterConfig.getServletContext().log(sx.getMessage());  } catch (IOException iox)   {   filterConfig.getServletContext().log(iox.getMessage());  } }

 public void destroy()  { }}