encodefilter.java

基本功能都实现了,对财务的增加,删除财务的信息,修改信息,查出财务的详细信息

package com.cn.cms.util;

import javax.servlet.*;
import java.io.IOException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.FilterChain;
public class EncodeFilter implements Filter{
    protected String encoding = null;
    protected FilterConfig filterConfig = null;
    protected boolean ignore = true;
    public EncodeFilter() {
    }
public void init(FilterConfig filterConfig)throws ServletException{
     this.filterConfig = filterConfig;
     this.encoding = filterConfig.getInitParameter("encoding");
     String value= filterConfig.getInitParameter("ignore");
     if(value==null)this.ignore =true;
     else if(value.equalsIgnoreCase("true"))
         this.ignore = true;
     else if(value.equalsIgnoreCase("yes"))
         this.ignore = true;
     else
         this.ignore = false;
    }


    public void doFilter(ServletRequest request,
                         ServletResponse response,
                         FilterChain chain) throws IOException ,ServletException{
    request.setCharacterEncoding(encoding);
    chain.doFilter(request,response);
    }

    public void destroy() {
        this.encoding = null;
        this.filterConfig = null;
    }
}