RestTemplate GET 请求添加header头和 多个参数的写法

 1     public String takePersonAccessRecord() {
 2        String url = "";
 3         HttpHeaders headers = new HttpHeaders();
 4         headers.add("Authorization", TOKEN);
 5         UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(url);
 6         HashMap<String, Object> map = new HashMap<>();
 7         map.put("pageNo", 1);
 8         map.put("pageSize", 5);
 9         if (!map.isEmpty()) {
10             for (Map.Entry<String, Object> e : map.entrySet()) {
11                 builder.queryParam(e.getKey(), e.getValue());
12             }
13             String realUrl = builder.build().toString(); // 在此处拼接真实请求地址  "?pageNo=1&pageSize=5"
14             log.info("realUrl:{}", realUrl);
15             HttpEntity<JSONObject> httpEntity = new HttpEntity<>(null, headers); 
16             ResponseEntity<String> exchange = restTemplate.exchange(realUrl, HttpMethod.GET, httpEntity, String.class, map);
17             log.info("返回结果:{}", exchange.getBody());
18             if (StringUtils.isNotEmpty(exchange.getBody())) {
19                 String body = exchange.getBody();
20                 JSONObject jsonObject = JSONObject.parseObject(body);
21                 String data = String.valueOf(jsonObject.get("data"));
22                 log.info("data={}", data);
23                 AccessRecordObject recordObject = JSON.parseObject(data, AccessRecordObject.class);
24                 log.info("accessRecords={}", JSON.toJSONString(recordObject));
25                 if (!recordObject.getList().isEmpty()) {
26                     List<AccessRecord> list = recordObject.getList();
27                     for (AccessRecord accessRecord : list) {
28                         accessRecordMapper.insert(accessRecord);
29                     }
30                 }
31             }
32             return exchange.getBody();
33         }
34         return null;
35     }
原文地址:https://www.cnblogs.com/padazala/p/15324230.html