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String strUserame = (String)reuqest.getParameter("username");   
strUsername = new String(strUserame.getBytes("ISO-8859-1"),"UTF-8");  
String strUserame = (String)reuqest.getParameter("username");
strUsername = new String(strUserame.getBytes("ISO-8859-1"),"UTF-8");
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package com.jokry.utils;   
  
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;   
/**  
 * ×Ö·û±àÂëFilter  
 * @author www.jokry.com  
 *  
 */  
public class EncodingFilter implements Filter{   
  
    private String targetEncoding = "UTF-8";   
    private FilterConfig filterConfig = null;   
  
    public void init(FilterConfig filterConfig) throws ServletException {   
        //»ñÈ¡ÅäÖÃÎļþ   
        this.filterConfig = filterConfig;   
        //»ñÈ¡ÅäÖÃÎļþÖеıàÂëÐÅÏ¢   
        this.targetEncoding = this.filterConfig.getInitParameter("encoding");