//package com.whyc.filter;
//
//import com.whyc.pojo.User;
//import lombok.extern.slf4j.Slf4j;
//
//import javax.servlet.*;
//import javax.servlet.annotation.WebFilter;
//import javax.servlet.annotation.WebInitParam;
//import javax.servlet.http.HttpServletRequest;
//import java.io.IOException;
//import java.io.PrintWriter;
//
//@Slf4j
///*@WebFilter(filterName = "loginFilter",urlPatterns = "/*",initParams = {
//		@WebInitParam(name = "exclusions",value = "*.css,*.js")
//})*/
////@WebInitParam(name = "exclusions",value = "*.css,*.js")
//public class LoginFilter implements Filter {
//
//	private String exclusions = "";
//
//	public void destroy() {
//	}
//
//	public void doFilter(ServletRequest req, ServletResponse resp,
//			FilterChain chain) throws IOException, ServletException {
//		HttpServletRequest request=(HttpServletRequest)req;
//
//		String URL=request.getRequestURI();
//		String[] uri=request.getRequestURI().split("/");
//		String source="";
//		if(uri.length>0) {
//			source = uri[uri.length - 1];
//		}
//		String suffix = source.substring(source.indexOf(".")+1);
//		User user=(User)request.getSession().getAttribute("user");
//
//		//不拦截swagger的资源请求,以及登录请求
//		if(URL.indexOf("swagger-resources")>-1 ||URL.indexOf("swagger-ui")>-1 ||URL.indexOf("v2/api-docs")>-1||URL.indexOf("login")>-1){
//			chain.doFilter(req,resp);
//		}
//		//不拦截静态资源css/js
//		else if(exclusions.indexOf(suffix)>-1){
//			chain.doFilter(req,resp);
//		}
//		else if(user!=null){
//			chain.doFilter(req, resp);
//		}else{
//			PrintWriter out=resp.getWriter();
//			out.print("<script charset='UTF-8'>window.location.href='index.html'</script>");
//		}
//	}
//
//	public void init(FilterConfig config) throws ServletException {
//		exclusions =config.getInitParameter("exclusions");
//	}
//
//}