package com.espeed.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 RequestFilter implements Filter{

	public void destroy() {
		
	}

	public void doFilter(ServletRequest req, ServletResponse resp,
			FilterChain chain) throws IOException, ServletException {
		HttpServletResponse response = (HttpServletResponse) resp;
		//设置允许跨域的域名
		response.setHeader("Access-Control-Allow-Origin", "*");
		chain.doFilter(req, resp);
	}

	public void init(FilterConfig arg0) throws ServletException {
		
	}

}