我正在从头开始学习angular js,目前正在尝试从json文件中检索数据。

我正在使用-nodejs,express,AngularJS。

之前我在使用-时遇到错误“意外令牌D”

$http.get("/models/driversList.json").success(function(response){$scope.driversList = response})


哪个解决了,但现在我在当前代码中得到了类似的东西-

Drivers Championship Standings
1


我猜测响应基本上是空白的,因此是“ 1”,但没有弄清楚为什么会这样。

以下是我的文件-


  /app.js


app.use('/models',express.static(path.join(__dirname, 'private/data/db/models')));
app.use(express.static(path.join(__dirname, 'public')));
app.use('/scripts',express.static(path.join(__dirname, 'public/javascripts')));
app.use('/styles',express.static(path.join(__dirname, 'public/stylesheets')));





  /javascripts/app.js


angular.module('F1FeederApp', [
  'F1FeederApp.controllers'
]);





  /javascripts/controllers.js


angular.module('F1FeederApp.controllers', []).
controller('driversController', function($scope, $http) {
  $http({
    method: 'GET',
    url: '/models/driversList.json',
    data: {},
    transformResponse: function (data, headersGetter, status) {
        //This was implemented since the REST service is returning a plain/text response
        //and angularJS $http module can't parse the response like that.
        return {data: data};
    }
}).success(function(response){ alert('worked'); $scope.driversList = response}).error(function(response) {
    $scope.driversList = [
      {
          Driver: {
              givenName: response,
              familyName: 'Vettel'
          },
          points: 322,
          nationality: "German",
          Constructors: [
              {name: "Red Bull"}
          ]
      },
      {
          Driver: {
          givenName: 'Fernando',
              familyName: 'Alonso'
          },
          points: 207,
          nationality: "Spanish",
          Constructors: [
              {name: "Ferrari"}
          ]
      }
    ];
})
});





  driversList.json


[
      {
          Driver: {
              givenName: 'Eldorado',
              familyName: 'Vettel'
          },
          points: 322,
          nationality: "German",
          Constructors: [
              {name: "Red Bull"}
          ]
      },
      {
          Driver: {
          givenName: 'Fernando',
              familyName: 'Alonso'
          },
          points: 207,
          nationality: "Spanish",
          Constructors: [
              {name: "Ferrari"}
          ]
      }
    ]





  index.html


<!DOCTYPE html>
<html>
<head>
  <title>F-1 Feeder</title>
  <script src="/scripts/angular.min.js"></script>
  <script src="/scripts/controllers.js"></script>
  <script src="/scripts/app.js"></script>
</head>

<body ng-app="F1FeederApp" ng-controller="driversController">
  <table>
    <thead>
      <tr><th colspan="4">Drivers Championship Standings</th></tr>
    </thead>
    <tbody>
      <tr ng-repeat="driver in driversList">
        <td>{{$index + 1}}</td>
        <td>
          {{driver.Driver.givenName}}&nbsp;{{driver.Driver.familyName}}
        </td>
        <td>{{driver.Constructors[0].name}}</td>
        <td>{{driver.points}}</td>
      </tr>
    </tbody>
  </table>
</body>
</html>


编辑:



@rattanak

要回答第3点,是的,如果我简单地将数组变量分配给作用域变量,它就会起作用。 error()中的部分是先前正在工作的部分。

我也尝试了第1点,似乎json存在于“数据”中,因此我将response.data分配给driversList,现在却遇到此错误-

Data:
[{Driver:{givenName:'Eldorado',familyName:'Vettel'},points:322,nationality:"German",Constructors:[{name:"Red Bull"}]}]

Error: [ngRepeat:dupes] http://errors.angularjs.org/1.4.7/ngRepeat/dupes?p0=driver%20in%20driversList.data&p1=string%3Ar&p2=r
    at Error (native)
    at http://localhost:3000/scripts/angular.min.js:6:416
    at http://localhost:3000/scripts/angular.min.js:280:39
    at Object.fn (http://localhost:3000/scripts/angular.min.js:129:401)
    at n.a.$get.n.$digest (http://localhost:3000/scripts/angular.min.js:130:483)
    at n.a.$get.n.$apply (http://localhost:3000/scripts/angular.min.js:133:512)
    at h (http://localhost:3000/scripts/angular.min.js:87:376)
    at K (http://localhost:3000/scripts/angular.min.js:91:499)
    at XMLHttpRequest.z.onload (http://localhost:3000/scripts/angular.min.js:93:37)


表示有重复

最佳答案

您的文件driverlist.json没有包含有效的JSON代码。该代码应为:

[
  {
      "Driver": {
          "givenName": "Eldorado",
          "familyName": "Vettel" },
      "points": 322,
      "nationality": "German",
      "Constructors": [
          {"name": "Red Bull"}
       ]
  },
  {
      "Driver": {
        "givenName": "Fernando",
        "familyName": "Alonso"
      },
      "points": 207,
      "nationality": "Spanish",
      "Constructors": [
          {"name": "Ferrari"}
      ]
  }
]


更正此问题,然后重试。

JSON始终使用双引号(“)绝不使用单引号(')

有关正确JSON的更多信息,请参见http://www.json.org/

09-30 16:06
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