全站請求編碼過濾器

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 1 *自訂的: 2         >代碼： 3             public class EncodingFilter implements Filter{ 4                 private String charset="utf-8"; 5                 public void destroy(){ 6                 } 7                 public void doFilter(ServletRequest req,ServletResponse resp， 8                     FilterChain chain){ 9                     HttpServletRequest request=(HttpServletRequest)req;10                     if(request.getMethod().equalsIgnoreCase("GET")){11                         if(!request instanceof GetRequest){12                             //處理get請求編碼13                             request=new GetRequest( requset,charset);14                         }15                     }else{16                         //設定POST請求編碼為預設編碼utf-817                         request.setCharacterEncoding();18                     }19                     chain.doFilter(request,resp);20                 }21                 public void init(FilterConfig fConfig) throws Exception{22                     String charsetfConfig.getInitParameter("charset");23                     if(charset!=null && !charset.isEmpty()){24                         this.charset=charset;25                     }26                 }27             }28

 1 *Spring架構提供的的CharacterEncodingFilter 2         >配置： 3             <filter> 4                 <filter-name>characterEncodingFilter</filter-name> 5                 <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> 6                 <init-param> 7                     <param-name>encoding</param-name> 8                     <param-value>utf-8</param-value> 9                 </init-param>10             </filter>11             <filter-mapping>12                 <filter-name>characterEncodingFilter</filter-name>13                 <url-pattern>/*</url-pattren>14             </filter-mapping>

 

全站請求編碼過濾器