附加 java源码包下载地址 package cn.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.HttpServletRequest;
/*
* 参数拦截器
* */
public class Mp4Filter implements Filter {
public void destroy() {
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
HttpServletRequest request1=(HttpServletRequest) request;
if(request1.getHeader("referer").equals("???")){//这里的?指的是你要从哪个url src视频,比如我在www.baidu.com写了video src