jsp注释中文乱码 javaweb开发中，java器对象导致中文乱码过滤器不(3)

ChineseMessyCodeFilter类

package com.jiongmeng.filter;  
  
import java.io.IOException;  
import java.util.Enumeration;  
  
import javax.servlet.Filter;  
import javax.servlet.FilterChain;  
import javax.servlet.FilterConfig;  
import javax.servlet.ServletException;  
import javax.servlet.ServletRequest;  
import javax.servlet.ServletResponse;  
  
/** 
 *  
 * 中文乱码过滤器(请求前过滤器) 
 * @author czh 
 * @time 2017年10月12日 下午10:48:17 
 */  
public class ChineseMessyCodeFilter implements Filter{  
    private String characterEncoding = "utf-8";  
  
    @Override  
    public void destroy() {  
        System.out.println("*******************中文乱码过滤器destroy()*******************");  
    }  
  
    @Override  
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain)  
            throws IOException, ServletException {  
        request.setCharacterEncoding(characterEncoding);  
        System.out.println("*********************脱衣服洗澡!(请求前过滤)*********************"); //前过滤  
//      System.out.println("请求servlet资源路径 = " + ((HttpServletRequest)request).getServletPath());  
//      System.out.println("请求方式(get / post) = " + ((HttpServletRequest)request).getMethod());  
        filterChain.doFilter(request, response);  
        System.out.println(response.getClass());  
        System.out.println("*********************穿衣服准备出门!(请求后过滤)*********************");//后过滤  
          
    }  
  
    @Override  
    public void init(FilterConfig filterConfig) throws ServletException {  
        System.out.println("filterName = " + filterConfig.getFilterName());  
        characterEncoding = filterConfig.getInitParameter("characterEncoding");  
        Enumeration<String> names = filterConfig.getInitParameterNames();  
        while (names.hasMoreElements()) {  
            String name = (String) names.nextElement();  
            System.out.println(name + " = " + filterConfig.getInitParameter(name));  
        }  
        System.out.println("*******************中文乱码过滤器init()*******************");  
    }  
  
}  

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