使用 bootstrap ui 单选按钮时在控制器中获取 ng-model 值
Get ng-model value in controller when using bootstrap ui radio button
我似乎无法将单选按钮的值返回到控制器中...
HTML
<div class="btn-group-wrap">
<div class="btn-group listBtn text-center">
<label uib-btn-radio="0" ng-change="newDataset()" ng-model="changeDataset" class="btn btn-default">0</label>
<label uib-btn-radio="1" ng-change="newDataset()" ng-model="changeDataset" class="btn btn-default">1</label>
<label uib-btn-radio="undefined" ng-change="newDataset()" ng-model="changeDataset" class="btn btn-default">undefined</label>
</div>
</div>
<p>filter {{changeDataset}}</p> //i see the change here!!
控制器
$scope.changeDataset = undefined
$scope.newDataset = function () {
console.log('new dataset function called');
console.log('the dataset= '+$scope.changeDataset) //but it just returns undefined here!!!
console.log('the vacated= '+$scope.filter.vacated)
};
它识别出函数是运行,但它总是只记录undefined
。
您的代码有效,undefined
出现在控制台中,因为您尝试记录 $scope.filter.vacated
,它被设置为 undefined
。
这是您的代码工作的片段演示:
angular.module('ui.bootstrap.demo', ['ngAnimate', 'ngSanitize', 'ui.bootstrap']);
angular.module('ui.bootstrap.demo').controller('ButtonsCtrl', function ($scope) {
$scope.filter = {
vacated: undefined
};
$scope.newDataset = function () {
console.log('new dataset function called');
console.log('the dataset= ' + $scope.changeDataset);
console.log('the vacated= ' + $scope.filter.vacated);
};
});
<html ng-app="ui.bootstrap.demo">
<head>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.6.1/angular.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.6.1/angular-animate.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.6.1/angular-sanitize.js"></script>
<script src="//angular-ui.github.io/bootstrap/ui-bootstrap-tpls-2.5.0.js"></script>
<script src="example.js"></script>
<link href="//netdna.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<div ng-controller="ButtonsCtrl">
<pre>{{changeDataset}}</pre>
<div class="btn-group">
<label uib-btn-radio="0" ng-change="newDataset()" ng-model="changeDataset" class="btn btn-default">0</label>
<label uib-btn-radio="1" ng-change="newDataset()" ng-model="changeDataset" class="btn btn-default">1</label>
<label uib-btn-radio="undefined" ng-change="newDataset()" ng-model="changeDataset" class="btn btn-default">undefined</label>
</div>
</div>
</html>
我通过将 ng-model="changeDataset"
更改为 ng-model="$parent.changeDataset"
来解决这个问题
$parent - 映射到包含当前作用域的作用域
我似乎无法将单选按钮的值返回到控制器中...
HTML
<div class="btn-group-wrap">
<div class="btn-group listBtn text-center">
<label uib-btn-radio="0" ng-change="newDataset()" ng-model="changeDataset" class="btn btn-default">0</label>
<label uib-btn-radio="1" ng-change="newDataset()" ng-model="changeDataset" class="btn btn-default">1</label>
<label uib-btn-radio="undefined" ng-change="newDataset()" ng-model="changeDataset" class="btn btn-default">undefined</label>
</div>
</div>
<p>filter {{changeDataset}}</p> //i see the change here!!
控制器
$scope.changeDataset = undefined
$scope.newDataset = function () {
console.log('new dataset function called');
console.log('the dataset= '+$scope.changeDataset) //but it just returns undefined here!!!
console.log('the vacated= '+$scope.filter.vacated)
};
它识别出函数是运行,但它总是只记录undefined
。
您的代码有效,undefined
出现在控制台中,因为您尝试记录 $scope.filter.vacated
,它被设置为 undefined
。
这是您的代码工作的片段演示:
angular.module('ui.bootstrap.demo', ['ngAnimate', 'ngSanitize', 'ui.bootstrap']);
angular.module('ui.bootstrap.demo').controller('ButtonsCtrl', function ($scope) {
$scope.filter = {
vacated: undefined
};
$scope.newDataset = function () {
console.log('new dataset function called');
console.log('the dataset= ' + $scope.changeDataset);
console.log('the vacated= ' + $scope.filter.vacated);
};
});
<html ng-app="ui.bootstrap.demo">
<head>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.6.1/angular.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.6.1/angular-animate.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.6.1/angular-sanitize.js"></script>
<script src="//angular-ui.github.io/bootstrap/ui-bootstrap-tpls-2.5.0.js"></script>
<script src="example.js"></script>
<link href="//netdna.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<div ng-controller="ButtonsCtrl">
<pre>{{changeDataset}}</pre>
<div class="btn-group">
<label uib-btn-radio="0" ng-change="newDataset()" ng-model="changeDataset" class="btn btn-default">0</label>
<label uib-btn-radio="1" ng-change="newDataset()" ng-model="changeDataset" class="btn btn-default">1</label>
<label uib-btn-radio="undefined" ng-change="newDataset()" ng-model="changeDataset" class="btn btn-default">undefined</label>
</div>
</div>
</html>
我通过将 ng-model="changeDataset"
更改为 ng-model="$parent.changeDataset"
$parent - 映射到包含当前作用域的作用域