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package com.imooc.sm.global;import javax.servlet.*;import java.io.IOException;public class EncodingFilter implements Filter {    private String encoding ="UTF-8";    public void init(FilterConfig filterConfig) throws ServletException {        if(filterConfig.getInitParameter("ENCODING")!=null)            encoding = filterConfig.getInitParameter("ENCODING");    }    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {        servletRequest.setCharacterEncoding(encoding);        servletResponse.setCharacterEncoding(encoding);        filterChain.doFilter(servletRequest,servletResponse);    }    public void destroy() {        encoding=null;    }}

     
    
     Encoding
      
    
     com.imooc.sm.global.EncodingFilter
      
        
     
      ENCODING
         
     
      UTF-8
       
    
   
     
    
     Encoding
      
    
     /*
    
   

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