过滤器--过滤编码

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• 在servlet3.0中可以在页面配置

   1 @WebFilter(
   2         filterName= "encodingFilter" , 
   3         urlPatterns = {"/*"} , 
   4         initParams = { @WebInitParam(name ="encoding" , value= "utf-8")} ,
   5         asyncSupported = true
   6         )
   7 public class EncodingFilter implements Filter{
   8     private String encoding = null;
   9     @Override
  10     public void destroy() {
  11         
  12         
  13     }
  14 
  15     @Override
  16     public void doFilter(ServletRequest request, ServletResponse response,
  17             FilterChain chain) throws IOException, ServletException {
  18         request.setCharacterEncoding(encoding);
  19         response.setCharacterEncoding(encoding);
  20         response.setContentType("text/html");
  21         chain.doFilter(request, response);
  22     }
  23 
  24     @Override
  25     public void init(FilterConfig config) throws ServletException {
  26         encoding = config.getInitParameter("encoding");
  27         System.out.println("过滤字符编码");
  28     }
  29 
  30 }

   

过滤器--过滤编码

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原文地址：http://www.cnblogs.com/dashen/p/4045404.html