restTemplate添加請求頭

//請求添加token頭
HttpHeaders headers = new HttpHeaders();
headers.add("token",token);
HttpEntity<String> requestEntity = new HttpEntity<>(null, headers);
ResponseEntity<String> resEntity = restTemplate.exchange(url.toString(), HttpMethod.GET, requestEntity, String.class);
//請求結果
String str = resEntity.getBody();