AngularJS的初学者。我有一个JSON
仅包含日期的字符串,需要在中填充html select
。下面是我尝试过的。
JSON字符串看起来像
[{"Dates":"04/10/2015"},{"Dates":"04/03/2015"},{"Dates":"02/20/2015"},{"Dates":"02/13/2015"},]
我的JS看起来像
<script>
var app = angular.module('myApp', []);
app.controller('dvDates', function ($scope, $http) {
$scope.Dates = [];
$http.post("Basics1.aspx/GetDates", { data: {} })
.success(function (data, status, headers, config) {
var results = JSON.parse(data.d);
$scope.Dates = results;
})
.error(function (data,status,headers,config) { });
});
</script>
HTML代码:
<div ng-app="myApp" ng-controller="dvDates">
<select ng-model="Dates" ng-options="item.Dates as item.Dates for item in Dates">
<option value=""> Select From Date</option>
</select>
</div>
结果如下。Dropdownlist
正确显示。
<select class="ng-pristine ng-valid ng-touched" ng-options="item.Dates as item.Dates for item in Dates" ng-model="Dates">
<option value=""> Select From Date</option>
<option value="0" label="04/10/2015">04/10/2015</option>
<option value="1" label="04/03/2015">04/03/2015</option>
<option value="2" label="02/20/2015">02/20/2015</option>
<option value="3" label="02/13/2015">02/13/2015</option>
<option value="4" label="02/06/2015">02/06/2015</option>
<option value="5" label="01/30/2015">01/30/2015</option>
</select>
但是,当我为此选择任何值时,HTML如下更改,所有值都消失了。
<select class="ng-valid ng-dirty ng-touched" ng-options="item.Dates as item.Dates for item in AsOf" ng-model="Dates">
<option value="? string:01/30/2015 ?"></option>
<option value=""> Select From Date</option>
</select>
请让我知道我在做什么错。该问题仅在日期中发生。当我尝试使用普通字符串填充时Select
,一切都会按预期进行。
您需要从以下选项中更改模型
ng-model="Dates"
对于不同的
ng-model="selected.Date"
否则,每次当您从选择框中选择某项时,都会覆盖您的$scope.Dates
模型
angular.module("app", [])
.controller('homeCtrl', function($scope) {
$scope.Dates = [{
"Dates": "04/10/2015"
}, {
"Dates": "04/03/2015"
}, {
"Dates": "02/20/2015"
}, {
"Dates": "02/13/2015"
}];
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<body ng-app="app">
<div ng-controller="homeCtrl">
<select ng-model="selected.Date" ng-options="item.Dates as item.Dates for item in Dates">
<option value="">Select From Date</option>
</select>
Selected : {{selected.Date}}
</div>
</body>
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