chinesefilter.java

酒店网上预订系统 （网上预订酒店）

package tarena.netctoss.filter;

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;
import javax.servlet.http.HttpServletResponse;

public class ChineseFilter implements Filter {
	private FilterConfig filterconfig;

	public void init(FilterConfig filterconfig) throws ServletException {
		this.filterconfig = filterconfig;
	}

	public void doFilter(ServletRequest request,
            ServletResponse response,
            FilterChain chain)throws IOException,ServletException{
			String encoding = filterconfig.getInitParameter("encoding");
			request.setCharacterEncoding(encoding);
			chain.doFilter(request, (HttpServletResponse)response);
	}

	public void destroy() {
		filterconfig = null;
	}

}