encodingfilter.java

来自「用JAVA环境开发的人力资源管理系统」· Java 代码 · 共 35 行

package com.liyu.filter;

import com.liyu.filter.BaseFilter;
import java.io.IOException;

import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

/**
 *字符编码的过滤，对每个画面进行重新编码
 */
public class EncodingFilter extends BaseFilter {

	private String targetEncoding = "gbk";
	
	public void init(FilterConfig filterConfig){
		this.filterConfig = filterConfig;
		this.targetEncoding = filterConfig.getInitParameter("encoding");
	}
	
	public void doFilter(ServletRequest request,
			ServletResponse response,
			FilterChain chain) 
	throws IOException,	ServletException{
		
		HttpServletRequest brequest = (HttpServletRequest)request;
		brequest.setCharacterEncoding(targetEncoding);//把请求用指定的方式编码
		chain.doFilter(request, response);
	}
}