Graphql API 响应返回意外数据

Posted 2023-03-08

【中文标题】Graphql API 响应返回意外数据

【英文标题】：Graphql API response return unexpeted data

【发布时间】：2020-07-10 10:46:26

【问题描述】：

我正在尝试使用 graphql API 调用从 expedia.com 获取酒店评论，我有 graphql 查询及其变量

当我尝试使用 postman 时，它返回正确的结果，但是当我尝试使用 cURL php 时，它什么也没返回

这是我的网址

https://www.expedia.com/graphql

这是我发布请求的行数据

  "operationName": "Reviews",
  "query": "query Reviews($context: ContextInput!, $propertyId: String!, $pagination: PaginationInput!, $sortBy: PropertyReviewSort!, $filters: PropertyReviewFiltersInput!) propertyInfo(propertyId: $propertyId,  context: $context) reviewInfo(sortBy: $sortBy, pagination: $pagination, filters: $filters)  summary  superlative totalCount  raw formatted  reviewCountLocalized averageOverallRating  raw formatted  cleanliness  raw formatted  serviceAndStaff  raw formatted  amenityScore  raw formatted  hotelCondition  raw formatted  cleanlinessPercent cleanlinessOverMax serviceAndStaffPercent serviceAndStaffOverMax amenityScorePercent amenityScoreOverMax hotelConditionPercent hotelConditionOverMax ratingCounts  count  formatted raw  percent rating  lastIndex reviewDisclaimer  reviews  id ratingOverall superlative submissionTime  raw  title text locale author userLocation stayDuration helpfulReviewVotes negativeRemarks positiveRemarks locationRemarks photos  description url  managementResponses  id date displayLocale userNickname response  travelers themes  icon  id description  label   sortAndFilter  sortAndFilter  name label options  label isSelected optionValue      ",
  "variables": 
    "context": 
      "siteId": 1,
      "locale": "en_US",
      "currency": "USD",
      "device": 
        "type": "DESKTOP"
      ,
      "identity": 
        "duaid": "986e9653-0e36-413f-8fff-19bd7bddbe9b",
        "expUserId": "-1",
        "tuid": "-1",
        "authState": "ANONYMOUS"
      ,
      "debugContext": 
        "abacusOverrides": [

        ],
        "alterMode": "RELEASED"
      
    ,
    "propertyId": "1173275",
    "sortBy": "NEWEST_TO_OLDEST",
    "filters": 
      "includeRecentReviews": false,
      "includeRatingsOnlyReviews": true
    ,
    "pagination": 
      "startingIndex": 10,
      "size": 10
    
  

这是我的 php cURL 代码

<?php

$curl = curl_init();

curl_setopt_array($curl, array(
  CURLOPT_URL => "https://www.expedia.com/graphql",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "\n  \"operationName\": \"Reviews\",\n  \"query\": \"query Reviews($context: ContextInput!, $propertyId: String!, $pagination: PaginationInput!, $sortBy: PropertyReviewSort!, $filters: PropertyReviewFiltersInput!) propertyInfo(propertyId: $propertyId,  context: $context) reviewInfo(sortBy: $sortBy, pagination: $pagination, filters: $filters)  summary  superlative totalCount  raw formatted  reviewCountLocalized averageOverallRating  raw formatted  cleanliness  raw formatted  serviceAndStaff  raw formatted  amenityScore  raw formatted  hotelCondition  raw formatted  cleanlinessPercent cleanlinessOverMax serviceAndStaffPercent serviceAndStaffOverMax amenityScorePercent amenityScoreOverMax hotelConditionPercent hotelConditionOverMax ratingCounts  count  formatted raw  percent rating  lastIndex reviewDisclaimer  reviews  id ratingOverall superlative submissionTime  raw  title text locale author userLocation stayDuration helpfulReviewVotes negativeRemarks positiveRemarks locationRemarks photos  description url  managementResponses  id date displayLocale userNickname response  travelers themes  icon  id description  label   sortAndFilter  sortAndFilter  name label options  label isSelected optionValue      \",\n  \"variables\": \n    \"context\": \n      \"siteId\": 1,\n      \"locale\": \"en_US\",\n      \"currency\": \"USD\",\n      \"device\": \n        \"type\": \"DESKTOP\"\n      ,\n      \"identity\": \n        \"duaid\": \"986e9653-0e36-413f-8fff-19bd7bddbe9b\",\n        \"expUserId\": \"-1\",\n        \"tuid\": \"-1\",\n        \"authState\": \"ANONYMOUS\"\n      ,\n      \"debugContext\": \n        \"abacusOverrides\": [\n          \n        ],\n        \"alterMode\": \"RELEASED\"\n      \n    ,\n    \"propertyId\": \"1173275\",\n    \"sortBy\": \"NEWEST_TO_OLDEST\",\n    \"filters\": \n      \"includeRecentReviews\": false,\n      \"includeRatingsOnlyReviews\": true\n    ,\n    \"pagination\": \n      \"startingIndex\": 10,\n      \"size\": 10\n    \n  \n",
  CURLOPT_HTTPHEADER => array(
    "cache-control: no-cache",
    "content-type: application/json",
    "postman-token: 1a092745-0b00-5abb-3680-8fcd30eae915"
  ),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) 
  echo "cURL Error #:" . $err;
 else 
  echo $response;

我也尝试使用 node js 请求调用，但它在缓冲区中返回数据并且该数据无法转换为 json 格式

请帮我解决这个问题

【问题讨论】：

请发布您的代码，请求正文。

@PrabhjotSinghKainth 行数据是我使用 POST 方法的请求正文

尝试从 Postman 生成代码 sn-p 并比较您的代码。您发送的内容类型是否正确？

是的，我已经这样做了，但它没有返回任何数据，如果 php 代码正常工作，请在此处发布该代码

请求在操场上为我工作并在命令行上使用 cURL - 正如之前的评论者所要求的，请发布代码，因为问题必须存在。

【参考方案1】：

您的 GraphQL 查询出现错误，我不确定具体是什么，但我使用了 GraphQL Playground 并选择了“Copy Curl”并将查询粘贴到您的代码中，这对我有用：

<?php

$curl = curl_init();

curl_setopt_array($curl, array(
  CURLOPT_URL => "https://www.expedia.com/graphql",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => '"query":"query Reviews($context: ContextInput!, $propertyId: String!, $pagination: PaginationInput!, $sortBy: PropertyReviewSort!, $filters: PropertyReviewFiltersInput!)\n  propertyInfo(propertyId: $propertyId, context: $context) \n    reviewInfo(sortBy: $sortBy, pagination: $pagination, filters: $filters) \n      summary \n        superlative\n        totalCount \n          raw\n          formatted\n        \n        reviewCountLocalized\n        averageOverallRating \n          raw\n          formatted\n        \n        cleanliness \n          raw\n          formatted\n        \n        serviceAndStaff \n          raw\n          formatted\n        \n        amenityScore \n          raw\n          formatted\n        \n        hotelCondition \n          raw\n          formatted\n        \n        cleanlinessPercent\n        cleanlinessOverMax\n        serviceAndStaffPercent\n        serviceAndStaffOverMax\n        amenityScorePercent\n        amenityScoreOverMax\n        hotelConditionPercent\n        hotelConditionOverMax\n        ratingCounts \n          count \n            formatted\n            raw\n          \n          percent\n          rating\n        \n        lastIndex\n        reviewDisclaimer\n      \n      reviews \n        id\n        ratingOverall\n        superlative\n        submissionTime \n          raw\n        \n        title\n        text\n        locale\n        author\n        userLocation\n        stayDuration\n        helpfulReviewVotes\n        negativeRemarks\n        positiveRemarks\n        locationRemarks\n        photos \n          description\n          url\n        \n        managementResponses \n          id\n          date\n          displayLocale\n          userNickname\n          response\n        \n        travelers\n        themes \n          icon \n            id\n            description\n          \n          label\n        \n      \n      sortAndFilter \n        sortAndFilter \n          name\n          label\n          options \n            label\n            isSelected\n            optionValue\n          \n        \n      \n    \n  \n","variables":"context":"siteId":1,"locale":"en_US","currency":"USD","device":"type":"DESKTOP","identity":"duaid":"986e9653-0e36-413f-8fff-19bd7bddbe9b","expUserId":"-1","tuid":"-1","authState":"ANONYMOUS","debugContext":"abacusOverrides":[],"alterMode":"RELEASED","propertyId":"1173275","sortBy":"NEWEST_TO_OLDEST","filters":"includeRecentReviews":false,"includeRatingsOnlyReviews":true,"pagination":"startingIndex":10,"size":10',
  CURLOPT_HTTPHEADER => array(
    "cache-control: no-cache",
    "content-type: application/json",
    "postman-token: 1a092745-0b00-5abb-3680-8fcd30eae915"
  ),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) 
  echo "cURL Error #:" . $err;
 else 
  echo $response;