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    µÚÒ»ÖÖ·½·¨×î¼òµ¥Ò²×î·½±ã£¬µ«ÊÇÖ»ÄÜÓÃÔÚÉÙÁ¿µÄµØ·½»òÊÇż¶ûÒ»Á½´ÎתÂ룬Èç¹û´óÃæ»ýʹÓþͲ»·½±ãÁË£¬Ò²´ó´óÔö¼ÓÁ˱àÂëÁ¿£¬Èç¹ûÄãµÄÏîÄ¿ÀïûÓÐÓÃSpringµÄ¿ò¼Ü¿ª·¢£¬ÓÃweb.xmlÅäÖÃ×Ô¶¨Òå¹ýÂËÆ÷¿ÉÒÔÒ»ÀÍÓÀÒݵĽâ¾ö 
   
    1.Ê×ÏÈÒª±àд×Ô¼ºµÄ¹ýÂËÆ÷Àà(ʵÏÖÁËjavax.servlet.Filter)£º
     package fck.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class CodeFilter implements Filter {
public void destroy() {
// TODO Auto-generated method stub
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain filter) throws IOException, ServletException {
// TODO Auto-generated method stub
request.setCharacterEncoding("utf-8");
filter.doFilter(request, response);
}
public void init(FilterConfig arg0) throws ServletException {
// TODO Auto-generated method stub
}
}

    2.ÔÚweb.xmlÎļþÖбàд¹ýÂËÆ÷ÅäÖãº
     <filter>
<!--CodeFilterÊÇ×Ô¼ºËæ±ãÈ¡µÄÃû×Ö-->
<filter-name>CodeFilter</filter-name>
<!--дºÃ¶ÔÓ¦µÄ¹ýÂËÆ÷ÀàµÄ·¾¶-->
<filter-class>fck.filter.CodeFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>CodeFilter</filter-name>
<!--“/*”´ú±íËùÓеÄÇëÇ󶼾­¹ý¹ýÂË-->
<url-pattern>/*</url-pattern>
</filter-mapping>
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 import javax.servlet.*;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/** *//**
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