servlet web.xml 中文乱码

过滤器代码(本人家里没环境 复制别人的过滤器改的 如果有错的话你就自己改下波。。)
Java code
　------   import java.io.IOException;   import javax.servlet.*;    public class EncodingFilter implements Filter { 　　  FilterConfig config; 　　  public void setFilterConfig(FilterConfig config) { 　　    this.config = config; 　　  } 　　  public FilterConfig getFilterConfig() { 　　    return config; 　　  } 　　  public void doFilter(ServletRequest r1, ServletResponse r2, FilterChain chain) {        HttpServletRequest request = (HttpServletRequest)r1;       HttpServletResponse response = (HttpServletResponse)r2;       String encoding = "UTF-8";       request.setCharacterEncoding(encoding);       response.setCharacterEncoding(encoding);       chain.doFilter(r1, r2); 　　  } 　　} 

web.xml配置

XML code

<filter> <filter-name>EncodingFilter</filter-name> <filter-class>过滤器的位置</filter-class> </filter> <filter-mapping> <filter-name>EncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>