setcharacterencodingfilter.java

使用struts＋spring＋hibernate的一个教学用的示例源代码

package com.teach.util;
import java.io.IOException;
import javax.servlet.*;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class SetCharacterEncodingFilter implements Filter
{
	private static final Log logger = LogFactory.getLog(SetCharacterEncodingFilter.class);
	FilterConfig filterConfig;
	public void destroy(){}
	public void doFilter(ServletRequest request,ServletResponse response,FilterChain chain)throws IOException,ServletException
	{
		logger.info("CharacterEncodingFilter start to work");
		String encoding=filterConfig.getInitParameter("encoding");
		request.setCharacterEncoding(encoding);
		logger.info("set request character ecoding to "+encoding);
		chain.doFilter(request,response);
	}
	public void init(FilterConfig filterConfig)throws ServletException
	{
		this.filterConfig=filterConfig;
	}
}