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}} {{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/