testfilter.java

一个视频网站的源码

package com.puckasoft.video312.test;

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;

public class TestFilter implements Filter {

	private String encoding;
	
	public void destroy() {
		System.out.println("TestFilter销毁！！！");
	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		//System.out.println("TestFilter执行****");
		request.setCharacterEncoding(encoding);
		
		chain.doFilter(request, response);

	}

	public void init(FilterConfig config) throws ServletException {
		System.out.println("TestFilter初始化！！！");
		encoding = config.getInitParameter("encoding");
	}

}