前端页面申请服务A,服务A再调用服务B,其中服务B须要登陆。那么服务A如何可能把登陆信息传递给服务B呢?
首选要满足第一点:零碎A、B做了SSO登陆解决。举例:A服务可能解决的登陆Session,B服务也同样可能解决。
<code class="JAVA">public Object sendPostWithCookieObject(String url, Map<String, Object> params) { HttpHeaders requestHeaders = new HttpHeaders(); requestHeaders.setContentType(MediaType.APPLICATION_<em style="color:transparent">来源gao.dai.ma.com搞@代*码网</em>JSON_UTF8); HttpServletRequest request = getRequest(); if (request != null) { Cookie[] cookies = request.getCookies(); if (cookies != null) { List<String> cookieList = Arrays.stream(cookies) .map(obj -> obj.getName() + "=" + obj.getValue()) .collect(Collectors.toList()); requestHeaders.put(HttpHeaders.COOKIE, cookieList); } } //body HttpEntity<Map<String, Object>> requestEntity = new HttpEntity<>(params, requestHeaders); Object result = restTemplate.postForObject(url, requestEntity, Object.class); return result; }
A服务调用B服务的时候应用这个办法,能够把cookie传递给B服务,B服务可能从cookie中获取申请的登陆信息。