Materiale angolare - DatePicker
Il md-datepicker, una direttiva angolare, è un controllo di input per selezionare una data e supporta ngMessages per la convalida dell'input.
Attributi
La tabella seguente elenca i parametri e la descrizione dei diversi attributi di md-datepicker.
Suor n | Parametro e descrizione |
---|---|
1 | * ng-model Il modello di questo componente prevede un oggetto Date JavaScript. |
2 | ng-change L'espressione valutata quando il valore del modello cambia. |
3 | md-min-date L'espressione che rappresenta una data minima (inclusa). |
4 | md-max-date L'espressione che rappresenta una data massima (inclusa). |
5 | md-date-filter La funzione prevede una data e restituisce un valore booleano e determina se può essere selezionata o meno. |
6 | md-placeholder Il valore segnaposto di input della data. |
7 | ng-disabled Questo determina se il datepicker è disabilitato. |
8 | ng-required Questo determina se è richiesto un valore per il datepicker. |
Esempio
L'esempio seguente mostra l'uso della direttiva md-datepicker e anche gli usi di datepicker.
am_datepicker.htm
<html lang = "en">
<head>
<link rel = "stylesheet"
href = "https://ajax.googleapis.com/ajax/libs/angular_material/1.0.0/angular-material.min.css">
<script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
<script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular-animate.min.js"></script>
<script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular-aria.min.js"></script>
<script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular-messages.min.js"></script>
<script src = "https://ajax.googleapis.com/ajax/libs/angular_material/1.0.0/angular-material.min.js"></script>
<style>
.datepickerdemo md-content {
padding-bottom: 200px;
}
.datepickerdemo .validation-messages {
font-size: 11px;
color: darkred;
margin: 10px 0 0 25px;
}
</style>
<script language = "javascript">
angular
.module('firstApplication', ['ngMaterial','ngMessages'])
.controller('dateController', dateController);
function dateController ($scope) {
$scope.myDate = new Date();
$scope.minDate = new Date(
$scope.myDate.getFullYear(),
$scope.myDate.getMonth() - 2,
$scope.myDate.getDate());
$scope.maxDate = new Date(
$scope.myDate.getFullYear(),
$scope.myDate.getMonth() + 2,
$scope.myDate.getDate());
$scope.onlyWeekendsPredicate = function(date) {
var day = date.getDay();
return day === 0 || day === 6;
}
}
</script>
</head>
<body ng-app = "firstApplication">
<div class = "datepickerdemo" ng-controller = "dateController as ctrl"
layout = "column" ng-cloak>
<md-content>
<h4>Standard Date Picker</h4>
<md-datepicker
ng-model = "myDate"
md-placeholder = "Enter date"></md-datepicker>
<h4>Disabled Date Picker</h4>
<md-datepicker
ng-model = "myDate"
md-placeholder = "Enter date"
disabled></md-datepicker>
<h4>Date-picker with min and max dates</h4>
<md-datepicker
ng-model = "myDate"
md-placeholder = "Enter date"
md-min-date = "minDate"
md-max-date = "maxDate"></md-datepicker>
<h4>Date-picker with only selectable weekends</h4>
<md-datepicker
ng-model = "myDate"
md-placeholder = "Enter date"
md-date-filter = "onlyWeekendsPredicate"></md-datepicker>
<h4>Date-picker with only selectable weekends in a range</h4>
<md-datepicker
ng-model = "myDate"
md-placeholder = "Enter date"
md-min-date = "minDate"
md-max-date = "maxDate"
md-date-filter = "onlyWeekendsPredicate"></md-datepicker>
<h4>Date-picker with validation mesages</h4>
<form name = "myForm">
<md-datepicker
name = "dateField"
ng-model = "myDate"
md-placeholder = "Enter date"
required
md-min-date = "minDate"
md-max-date = "maxDate"
md-date-filter = "onlyWeekendsPredicate"></md-datepicker>
<div class = "validation-messages" ng-messages = "myForm.dateField.$error">
<div ng-message = "valid">The entered value is not a date!</div>
<div ng-message = "required">This date is required!</div>
<div ng-message = "mindate">Date is too early!</div>
<div ng-message = "maxdate">Date is too late!</div>
<div ng-message = "filtered">Only weekends are allowed!</div>
</div>
</form>
</md-content>
</div>
</body>
</html>
Risultato
Verifica il risultato.