Question

我无法访问并将AJAX调用的响应附加到事实API。

我收到了未定义的错误，但是我尝试构造代码访问并迭代响应。

我已成功将数据记录到控制台，现在只需要在页面上添加HTML。

以下是当前的代码和API响应结构，我不明白的是何时使用data以及它与此有何关系？这是从请求或特定API结构接收的任何数据的关键字。

CODE：

<head>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>

  <script type="text/javascript">
  $( document ).ready(function() {
    console.log('dom ready');
    $("#search").on("click", runTing);

    function runTing () {
      var url = "http://api.v3.factual.com/t/places?q=Aldi,London&filters={%22country%22:%22GB%22}&KEY=111111111111111111111111";

      $.ajax({
        url: url,
        dataType: "JSON",
        success: function (data) {
         var $latitude = $("<p>").text(response.data[0].address);
         $('#info').append("$latitude");
       }
     });

    };        
  });
  </script>
</head>
<body>
  <div id="info"></div>
</body>

JSON响应：

{  
   "version":3,
   "status":"ok",
   "response":{  
      "data":[  
         {  
            "address":"632-640 Kingsbury Rd",
            "admin_region":"England",
            "category_ids":[  
               171
            ],
            "category_labels":[  
               [  
                  "Retail",
                  "Supermarkets and Groceries"
               ]
            ],
            "country":"gb",
            "factual_id":"75fda75e-41a7-4645-b47a-9af5364fead1",
            "hours":{  
               "monday":[  
                  [  
                     "8:00",
                     "21:00"
                  ]
               ],
               "tuesday":[  
                  [  
                     "8:00",
                     "21:00"
                  ]
               ],
               "wednesday":[  
                  [  
                     "8:00",
                     "21:00"
                  ]
               ],
               "thursday":[  
                  [  
                     "8:00",
                     "21:00"
                  ]
               ],
               "friday":[  
                  [  
                     "8:00",
                     "21:00"
                  ]
               ],
               "saturday":[  
                  [  
                     "8:00",
                     "21:00"
                  ]
               ],
               "sunday":[  
                  [  
                     "10:00",
                     "16:00"
                  ]
               ]
            },
            "hours_display":"Mon-Sat 8:00 AM-9:00 PM; Sun 10:00 AM-4:00 PM",
            "latitude":51.584985,
            "locality":"London",
            "longitude":-0.279941,
            "name":"Aldi",
            "neighborhood":[  
               "Kingsbury",
               "Queensbury"
            ],
            "post_town":"London",
            "postcode":"NW9 9HN",
            "region":"Greater London",
            "tel":"0844 406 8800",
            "website":"http://www.aldi.co.uk/"
         },
         {  
            "address":"1-4 London Rd",
            "admin_region":"England",
            "category_ids":[  
               171
            ],
            "category_labels":[  
               [  
                  "Retail",
                  "Supermarkets and Groceries"
               ]
            ],
            "country":"gb",
            "factual_id":"7edfabf8-3f28-4ee4-9322-6a296ed09a59",
            "hours":{  
               "monday":[  
                  [  
                     "8:00",
                     "20:00"
                  ]
               ],
               "tuesday":[  
                  [  
                     "8:00",
                     "20:00"
                  ]
               ],
               "wednesday":[  
                  [  
                     "8:00",
                     "20:00"
                  ]
               ],
               "thursday":[  
                  [  
                     "8:00",
                     "20:00"
                  ]
               ],
               "friday":[  
                  [  
                     "8:00",
                     "20:00"
                  ]
               ],
               "saturday":[  
                  [  
                     "8:00",
                     "20:00"
                  ]
               ],
               "sunday":[  
                  [  
                     "10:00",
                     "16:00"
                  ]
               ]
            },
            "hours_display":"Mon-Sat 8:00 AM-8:00 PM; Sun 10:00 AM-4:00 PM",
            "latitude":50.829975,
            "locality":"Brighton",
            "longitude":-0.136322,
            "name":"Aldi",
            "neighborhood":[  
               "North Laines"
            ],
            "post_town":"Brighton",
            "postcode":"BN1 4JA",
            "region":"East Sussex",
            "tel":"0844 406 8800",
            "website":"http://www.aldi.co.uk/"
         },

Answer 1

response.data[0].address

应该是

data.response.data[0].address

从BE返回的对象当前位于data（回调参数）中。

因此，在尝试访问响应属性之前，还有一个嵌套层。

同样@chaarlietfl指出

$('#info').append("$latitude");
                  ^         ^
                  ---------------> Need to get rid of quotes

无法从AJAX API调用访问JSON响应

1 个答案: