Javascript 无法访问JSON属性值

这让我抓狂，我知道这一定是我错过的简单的东西

我有一个返回JSON对象的服务：

[{"accountId":"0000004000006195","title":null,"firstName":"JOE","middleName":"BLOG","lastName":"BLOGGS","suffix":null,"primaryAddress":{"addressLine1":"TEST ADDRESS CLOSE","addressLine2":null,"addressLine3":"MY TOWN","town":"Washington","county":null,"country":"US","postcode":"PO9868"},"customerTelephones":[{"phoneNumber":"09876543455","type":"Alternate 1"},{"phoneNumber":"98654345676","type":"Alternate 2"}],"birthDate":108628400000}]

我试图使用以下方式显示JSON的属性，例如firstname：

app.controller('MainCtrl', function($scope) {
  $scope.name = 'World';

  $scope.testJson = [{"accountId":"0000004000006195","title":null,"firstName":"JOE","middleName":"BLOG","lastName":"BLOGGS","suffix":null,"primaryAddress":{"addressLine1":"TEST ADDRESS CLOSE","addressLine2":null,"addressLine3":"MY TOWN","town":"Washington","county":null,"country":"US","postcode":"PO9868"},"customerTelephones":[{"phoneNumber":"09876543455","type":"Alternate 1"},{"phoneNumber":"98654345676","type":"Alternate 2"}],"birthDate":108628400000}]
});

HTML:

{{testJson}

{{testJson.firstName}

但是由于某种原因，{{testJson.firstName}}显示为空白

这里有一个小插曲：

---

有什么想法吗？

$scope.testJson

是

数组

您需要通过索引获取元素，然后通过

对象获取属性

 {{testJson[0].firstName}}

---

您的testJson似乎是一个数组。所以

{{testJson[0].firstName}

应该可以做到这一点

 {{testJson[0].firstName}}