如何使用application/x-www-form-urlencoded發送HttpPOST請求

我正在嘗試從外部網站生成令牌，發布請求必須是 application/x-www-form-urlencoded 但我遇到了錯誤。我假設我沒有正確呼叫內容型別 application/x-www-form-urlencoded 但我無法弄清楚如何！PS：我在java 8中使用springboot

這是代碼：

public String getNewAccesToken() {

        //Initilazing variabels
        try {

            JsonObject properties = new JsonObject();

            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
            headers.set("Cookie", cookie);
            properties.addProperty("client_id", clientId);
            properties.addProperty("client_secret", clientSecret);
            properties.addProperty("grant_type", grantType);
            
            HttpEntity<String> requestEntity = new HttpEntity<>(properties.toString(), headers);
            log.debug(requestEntity);
            ResponseEntity<String> response = restTemplate.exchange(requestUrl, HttpMethod.POST, requestEntity,
                    String.class);
            

            log.debug("---------------------------------");
            log.debug(response);
            if (Util.isJSONValid(response.getBody())) {
                JsonParser parser = new JsonParser();
                JsonObject jsonString = (JsonObject) parser.parse(response.getBody());
                return jsonString.get("accessToken").getAsString();
            } else {

                error.setCode(ConstantGateway.JSON_ERROR_CODE);
                error.setMessage(ConstantGateway.JSON_ERROR_STATUS);
                return error.toString();
            }
        } catch (HttpStatusCodeException e) {
            error.setCode(String.valueOf(e.getStatusCode().value()));
            error.setMessage(e.getResponseBodyAsString());
            return error.toString();
        } catch (Exception e) {
            // TODO: handle exception
            error.setCode(ConstantGateway.IL_INTERNAL_ERROR_CODE);
            error.setMessage(e.getMessage());
            return error.toString();
        }

    }

這是呼叫此函式時得到的結果：

org.zwz.vas.internal.api.model.ErrorModel@16dd359c

但是，當我從郵遞員那里撥打電話時，我得到了正確的答復：

{
    "access_token": "RdWt3DNIfxmihnubGX0Fgfcb0KNHLZV79OfN9Y6Ky6Z3fxAfF_Pm7uP0jnFrG1fHplyBMZ74BIKleQ8jmswdGy4e87NV-uZsMzgS1nQAONc2nBxgU1_jkMBhL4vvIniJNd99oYNzGeanCYYki0yorrrlLrOGTncusv1BgFFHU_CBGuUtGmZYLfJAJW4XcZLhXMC9xpT2aWAvgRXZW69pOhfU1Fgs7aVwou85UVI2b4j1GfX0pCtJtluiTgXsuWqdck7_at1dqfopHpjWAywYrweStMXGm8T59nyQi_oXWmo",
    "token_type": "bearer",
    "expires_in": 1199
}

先感謝您

uj5u.com熱心網友回復：

我發現我犯了一個錯誤，我發送了一個錯誤的請求格式，它與 application/x-www-form-urlencoded 型別不兼容。正確的代碼如下：

            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
            headers.set("Cookie", cookie);
            
            MultiValueMap<String, String> properties= new LinkedMultiValueMap<String, String>();
            
            properties.add("client_id", clientId);
            properties.add("client_secret", clientSecret);
            properties.add("grant_type", grantType);
    
            HttpEntity<MultiValueMap<String, String>> request = new HttpEntity<MultiValueMap<String, String>>(properties, headers);

            ResponseEntity<String> response = restTemplate.postForEntity( requestUrl, request , String.class );
            

標籤：爪哇弹簧靴网址要求

上一篇：從網路獲取JSON并嘗試處理它時，出現“未定義”錯誤，而日志正確顯示資料

下一篇：SQL-來自單獨表的派生列