String url = "https://api.weixin.qq.com/wxa/generatescheme?access_token=" + accessToken; // 封装跳转小程序的参数 JSONObject param = new JSONObject(); JSONObject query = new JSONObject(); param.put("path","/pages/qrcode/qrcode"); param.put("env_version","release"); param.put("query",""); query.put("jump_wxa",param); query.put("is_expire",true); // query.put("expire_time","30"); query.put("expire_type",1); query.put("expire_interval",1); String body = JSONUtil.toJsonStr(query); HttpHeaders headers = new HttpHeaders(); headers.setContentType(MediaType.APPLICATION_JSON); headers.setContentLength(body.getBytes(StandardCharsets.UTF_8).length); HttpEntity<String> httpEntity = new HttpEntity<>(body, headers); ResponseEntity<JSONObject> responseEntity = restTemplate.postForEntity(url,JSONUtil.toJsonStr(httpEntity),JSONObject.class); HttpStatusCode statusCode = responseEntity.getStatusCode(); //状态码 if (Objects.equals(statusCode.value(), 200)) { JSONObject responseJsonBody = responseEntity.getBody(); //响应体 assert responseJsonBody != null; log.error("responseJsonBody={}",responseJsonBody); return responseJsonBody.getStr("openlink"); }else{ log.error("请求微信服务器状态码错误"); return null; }