尝试将“ User-Agent”标头添加到您的请求中。
将您的代码更改为：
try {
RestTemplate restTemplate = new RestTemplate();
HttpHeaders headers = new HttpHeaders();
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON));
headers.add("user-agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36");
httpentity<String> entity = new httpentity<String>("parameters", headers);
Object response = restTemplate.exchange("https://api.hearthstonejson.com/v1/19776/enUS/cards.json", HttpMethod.GET,entity,Object.class);
System.out.println(response);
} catch (Exception ex) {
ex.printStackTrace();
}
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