springboot mvc 拦截

package com.seengene.ar.conent.restful.restful.config.loginFilter;

import com.seengene.ar.conent.restful.restful.entity.Session;
import com.seengene.ar.conent.restful.restful.server.RedisServer;
import net.sf.json.JSONObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class LoginInterceptor implements HandlerInterceptor {

@Autowired
private RedisServer scenicUserRedisService;

@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
throws Exception {
//跨越处理
response.setHeader("Access-Control-Allow-Origin", "*");
try {
Session session = scenicUserRedisService.getSession(request.getParameter("sid"));
System.out.println(session);
String token = request.getParameter("token");
if (session.getToken() == null) {
scenicUserRedisService.clearSession(request.getParameter("sid"));
throw new Exception();
}
if (!token.equals(session.getToken())) {
scenicUserRedisService.clearSession(request.getParameter("sid"));
throw new Exception();
}
} catch (Exception e) {
JSONObject jsonObject = new JSONObject();
jsonObject.put("code", 605);
jsonObject.put("status", "token error");
jsonObject.put("data", new JSONObject());
response.getWriter().write(jsonObject.toString());
return false;
}
return true;
}

@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
ModelAndView modelAndView) throws Exception {
}

@Override
public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
throws Exception {
}
}

package com.seengene.ar.conent.restful.restful.config.loginFilter;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

@Configuration
public class MyWebAppConfigurer
extends WebMvcConfigurerAdapter {

@Bean
LoginInterceptor loginInterceptor() {
return new LoginInterceptor();
}

@Override
public void addInterceptors(InterceptorRegistry registry) {
super.addInterceptors(registry);
//         多个拦截器组成一个拦截器链
//         addPathPatterns //用于添加拦截规则
//         excludePathPatterns 用户排除拦截

registry.addInterceptor(loginInterceptor()).addPathPatterns("/webArContent/**")
.excludePathPatterns("/webArContent/login")
.excludePathPatterns("/webArContent/token")
.excludePathPatterns("/webArContent/callback")
.excludePathPatterns("/webArContent/addAppDownloadCount")
.excludePathPatterns("/webArContent/getAppDownloadCount");
}
}