我想使用 ng-focus 作为输入文字,它不起作用,但它提供旧值,第一次。我想在控制器中使用日期字段值来创建动态URL,它将获取JSON
数据对应的日期,所以我在这里创建对应该日期的动态URL,所以我需要控制器中的日期。
还有一件事,我关注演示我正在使用指令,fromdatepicker和todatepicker,还有其他方法吗?
Pluker DEMO http://plnkr.co/edit/1KRNBUXyK5O6LNwDS06x?p=preview
HTML
<input ng-model="from_date" ng-focus="changeFromDate()" type="text"/>
Angularjs
app.controller('myCtrl', function($scope) {
$scope.item = ""
$scope.changeFromDate = function() {
$scope.$apply();
alert($scope.item);
}
});
答案 0 :(得分:2)
我猜这是你想要实现的目标:
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="stylesheet" href="http://code.jquery.com/ui/1.10.0/themes/base/jquery-ui.css" />
<script src="http://code.jquery.com/jquery-1.8.3.js"></script>
<script src="http://code.jquery.com/ui/1.10.0/jquery-ui.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.23/jquery-ui.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.0.4/angular.min.js"></script>
<script>
var app = angular.module('myApp', []);
app.directive('datepicker', function() {
return {
link: function(scope, element, attrs, ctrl) {
element.datepicker({
inline: true,
dateFormat: 'dd.mm.yy',
onSelect: function(dateText) {
ctrl.$setViewValue(dateText);
}
});
},
require: 'ngModel'
}
});
app.controller('myCtrl', function($scope) {
$scope.todate = "";
$scope.fromdate = "";
$scope.changeDate = function(date) {
alert(date);
}
});
</script>
</head>
<body ng-app="myApp">
<div ng-controller="myCtrl">
<p>From Date : <input type="text" datepicker ng-model="fromdate" ng-change="changeDate(fromdate)"/></p>
<p> To Date: <input type="text" datepicker ng-model="todate" ng-change="changeDate(todate)"/></p>
<br />
</div>
</body>
</html>
&#13;
http://plnkr.co/edit/D5sT4WEufLwoMHYxngmA?p=preview
基本上每次文本输入更改时都会触发ngChange(调用$ setViewValue)。
有关详细信息,请查看ngModelController和ngChange
答案 1 :(得分:0)
您应该尝试使用$ broadcast将指令中的详细信息发送到控制器。请参阅此plunkr:http://plnkr.co/edit/HTPJn57VPbmPUy0rnzms
这里有相关的帮助代码:
var app = angular.module('myApp', []);
app.directive('fromdatepicker', function() {
return function(scope, element, attrs) {
element.datepicker({
inline: true,
dateFormat: 'dd.mm.yy',
onSelect: function(dateText) {
var modelPath = $(this).attr('ng-model');
putObject(modelPath, scope, dateText);
scope.$apply();
scope.$broadcast('dateSelected', {'date': dateText} );
}
});
}
});
app.controller('myCtrl', function($scope) {
$scope.item = ""
$scope.$on('dateSelected', function(event, args) {
alert(args.date);
});
});