mcc*_*inz 26 javascript angularjs
我使用Angularjs创建了一个绑定到模型的选择框.选择框选项正确加载,但只要选择任何一个选项,所有选项都会从选择框中消失.这是什么原因发生了,我如何防止我的选择消失？
Plunker链接演示了这个问题:http://plnkr.co/edit/DolBIN
HTML
<html xmlns="http://www.w3.org/1999/xhtml" ng-app>
<head>
<title>Angular Test Prjoect - Home</title>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.5/angular.min.js"></script>
<script type="text/javascript" src="Clinic.js"></script>
</head>
<body>
<div ng-controller="ClinicCtrl">
<select ng-options="item as item.start + '-' + item.end + ':' + item.patient.name for item in appointments" ng-model="appointments">
</select>
</div>
</body>
</html>
JavaScript的
function ClinicCtrl($scope) {
$scope.appointments = [
{ start: "900", end: "930", provider: "1", patient: {name:"Allen",dob:"8/12/1977"} },
{ start: "1000", end: "1045", provider: "1", patient: { name: "Allen", dob: "8/12/1971"} },
{ start: "1030", end: "1100", provider: "2", patient: { name: "David", dob: "11/22/1973"} },
{ start: "1100", end: "1145", provider: "2", patient: { name: "Francine", dob: "3/18/1987"} },
{ start: "1230", end: "1530", provider: "3", patient: { name: "George", dob: "4/5/1997"} },
{ start: "1300", end: "1500", provider: "3", patient: { name: "Kirkman", dob: "6/28/1970"} }
];
}
Noa*_*tas 47
问题是,只要ng-model选择了$scope.appointments某个项目,select元素就会覆盖数组.为您的ng-model值使用不同的范围属性.
这是一个更新的plunker:http://plnkr.co/edit/EAExby
对模板的更改将是:
<div ng-controller="ClinicCtrl">
<select
ng-options="item as item.start + '-' + item.end + ':' + item.patient.name for item in appointments"
ng-model="selectedAppointment"
></select>
{{selectedAppointment}} <!-- log out the value just to show it's working -->
</div>
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