如何使用ng-options。
$scope.fieldTable = [
{
filed:"text",
title:"Global"
},
{
field: "relatedentity",
title: "Entity"
},
{
field:"title",
title:"Title"
},
{
field: "content",
title: "Content"
}
]
我想构建一个使用显示的标题,当选择某个内容时,弹出一个显示相应字段的警告窗口。最初的选择是
{
filed:"text",
title:"Global"
}
有人可以帮忙吗?
答案 0 :(得分:21)
var app = angular.module('stack', []);
app.controller('MainCtrl', function($scope) {
$scope.fieldTable = [{
field: "text",
title: "Global"
}, {
field: "relatedentity",
title: "Entity"
}, {
field: "title",
title: "Title"
}, {
field: "content",
title: "Content"
}];
$scope.selected = $scope.fieldTable[0];
$scope.hasChanged = function() {
alert($scope.selected.field);
}
});

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<body ng-app="stack" ng-controller="MainCtrl">
<select ng-options="item.title for item in fieldTable" ng-model="selected" ng-change="hasChanged()">
</select>
</body>
&#13;
答案 1 :(得分:3)
您可以使用ng-change来执行此操作
<select ng-options="item.title as item.title for item in fieldTable track by item.title" ng-model="selected" ng-change="onChanged()">
然后在控制器中的onChange()方法中,您可以执行任何您想要的操作:)在您的情况下,显示值为
的警报