Java打怪之路----谷粒商场认证服务 - ToB企服应用市场:ToB评测及商务社交产业平台

<dependency>
<groupId>org.springframework.session</groupId>
<artifactId>spring-session-data-redis</artifactId>
</dependency>

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spring:
session:
store-type: redis

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@Configuration
public class AchangmallSessionConfig {
@Bean
public CookieSerializer cookieSerializer() {
DefaultCookieSerializer cookieSerializer = new DefaultCookieSerializer();
//放大作用域
cookieSerializer.setDomainName("gulimall.com");
cookieSerializer.setCookieName("ACHANGSESSION");
return cookieSerializer;
}
@Bean
public RedisSerializer<Object> springSessionDefaultRedisSerializer() {//使用json存储redis，而不是默认的序列化存储
return new GenericJackson2JsonRedisSerializer();
}
} Y

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@Configuration
public class GulimallWebConfig implements WebMvcConfigurer {
@Override
public void addInterceptors(InterceptorRegistry registry) {
registry.addInterceptor(new CartInterceptor())//注册拦截器
.addPathPatterns("/**");
}
}

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public class CartInterceptor implements HandlerInterceptor {
public static ThreadLocal<UserInfoTo> toThreadLocal = new ThreadLocal<>();
/***
* 目标方法执行之前
* @param request
* @param response
* @param handler
* @return
* @throws Exception
*/
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
UserInfoTo userInfoTo = new UserInfoTo();
HttpSession session = request.getSession();
//获得当前登录用户的信息
MemberResponseVo memberResponseVo = (MemberResponseVo) session.getAttribute(LOGIN_USER);
if (memberResponseVo != null) {
//用户登录了
userInfoTo.setUserId(memberResponseVo.getId());
}
Cookie[] cookies = request.getCookies();
if (cookies != null && cookies.length > 0) {
for (Cookie cookie : cookies) {
//user-key
String name = cookie.getName();
if (name.equals(TEMP_USER_COOKIE_NAME)) {
userInfoTo.setUserKey(cookie.getValue());
//标记为已是临时用户
userInfoTo.setTempUser(true);
}
}
}
//如果没有临时用户一定分配一个临时用户
if (StringUtils.isEmpty(userInfoTo.getUserKey())) {
String uuid = UUID.randomUUID().toString();
userInfoTo.setUserKey(uuid);
}
//目标方法执行之前
toThreadLocal.set(userInfoTo);
return true;
}
/**
* 业务执行之后，分配临时用户来浏览器保存
* @param request
* @param response
* @param handler
* @param modelAndView
* @throws Exception
*/
@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
//获取当前用户的值
UserInfoTo userInfoTo = toThreadLocal.get();
//如果没有临时用户一定保存一个临时用户
if (!userInfoTo.getTempUser()) {
//创建一个cookie
Cookie cookie = new Cookie(TEMP_USER_COOKIE_NAME, userInfoTo.getUserKey());
//扩大作用域
cookie.setDomain("gulimall.com");
//设置过期时间
cookie.setMaxAge(TEMP_USER_COOKIE_TIMEOUT);
response.addCookie(cookie);
}
}
@Override
public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
}
}

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