encodingfilter.java

一套购物车项目。电子商务系统。实现了前台和后台的业务逻辑。

package com.softfz.jn0708.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;

/**
 * 编码过滤器
 * @author student
 *
 */
public class EncodingFilter implements Filter {
	
	private String code = "GBK";
	public void init(FilterConfig config) throws ServletException {
		
		if(config.getInitParameter("code")!=null && !config.getInitParameter("code").equals("")){
			code = config.getInitParameter("code");
		}

	}

	public void doFilter(ServletRequest req, ServletResponse res,
			FilterChain chain) throws IOException, ServletException {			

			req.setCharacterEncoding(code);
			res.setCharacterEncoding(code);
			chain.doFilter(req,res);

	}

	public void destroy() {
		// TODO 自动生成方法存根

	}

}