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 >