我是角度Js的新手，无法在下拉列表中设置默认值并尝试输入框中的当前日期值，但经过多次R＆amp; D我没有得到一些结果。任何人都可以检查这个plunker代码来整理程序。
<!DOCTYPE html>
<html>
<head>
<script>document.write('<base href="' + document.location + '" />');</script>
<link rel="stylesheet" href="style.css" />
<link href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.2.2/css/bootstrap-combined.min.css" rel="stylesheet">
<link rel="stylesheet" type="text/css" media="screen" href="http://tarruda.github.com/bootstrap-datetimepicker/assets/css/bootstrap-datetimepicker.min.css">
<script type="text/javascript" src="http://cdnjs.cloudflare.com/ajax/libs/jquery/1.8.3/jquery.min.js">
</script>
<script type="text/javascript" src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.2.2/js/bootstrap.min.js">
</script>
<script type="text/javascript" src="bootstrap-datetimepicker.min.js">
//http://tarruda.github.com/bootstrap-datetimepicker/assets/js/bootstrap-datetimepicker.min.js">
</script>
<script type="text/javascript" src="bootstrap-datetimepicker.pt-BR.js">
//http://tarruda.github.com/bootstrap-datetimepicker/assets/js/bootstrap-datetimepicker.pt-BR.js">
</script>
<script data-require="angular.js@1.0.x" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.8/angular.min.js" data-semver="1.0.8"></script>
</head>
<body><div ng-app="plunker" ng-controller="MainCtrl" ng-init="selected_id1=selected_id2 = var1 = var2 '';">
<div ng-repeat='selecting in selects' ng-init="selected_id1=selected_id2='';var1=var2='';test=''"> Start Date
<select
ng-model="selecting.selected_id1"
ng-options="o.id as o.name for o in options"
ng-change="selected_name1=(options|filter:{id:selected_id1})[0].name">
</select>
<select
ng-model="selecting.selected_id2"
ng-options="o.id as o.name for o in options"
ng-change="selected_name2=(options|filter:{id:selected_id2})[0].name">
</select>
<div class="container container-fluid" ng-controller="MainCtrl">
<form class="form-horizontal" novalidate name="form" ng-submit="submit()">
<div class="well">
<div id="date" class="input-append" datetimez ng-model="selecting.var1">
<input data-format="MM/dd/yyyy " type="text" id="input1" name="input1" min="2013-01-01" max="2013-12-31" required /></input>
<span class="add-on">
<i data-time-icon="icon-time" data-date-icon="icon-calendar"></i>
</span>
</div>
<div id="date" class="input-append" datetimez ng-model="selecting.var2">
<input data-format="MM/dd/yyyy " type="text" id="input1" name="input1" min="2013-01-01" max="2013-12-31" required /></input>
<span class="add-on">
<i data-time-icon="icon-time" data-date-icon="icon-calendar"></i>
</span>
</div>
</div>
</form>
<!-- Date Result: <input type="text" value="{{((selecting.var2 - selecting.var1)/3600/1000/24) | number:0;}}" ng-model="test"><p>{{ test}}</p>
--> </div>
<button type='button' ng-click='remove(selecting)'>Remove</button>
</div>
<div>
<button type='button' ng-click='add()'>Add</button>
<p>Time Difference:{{test() | number:0}}</p>
<p>Date Difference:{{dateResult() | number:0}}</p>
</div>
<script>
var app = angular.module("plunker",[]);
app.controller("MainCtrl",['$scope',function($scope){
$scope.options = [
{id:1, name:'01:00 AM'},
{id:2, name:'02:00 AM'},
{id:3, name:'03:00 AM'},
{id:4, name:'04:00 PM'},
{id:5, name:'05:00 AM'},
{id:6, name:'06:00 AM'},
{id:7, name:'07:00 AM'},
{id:8, name:'08:00 AM'},
{id:9, name:'09:00 PM'},
{id:10, name:'10:00 AM'},
{id:11, name:'11:00 AM'},
{id:12, name:'12:00 PM'},
{id:13, name:'01:00 PM'},
{id:14, name:'02:00 PM'},
{id:15, name:'03:00 PM'},
{id:16, name:'04:00 PM'},
{id:17, name:'05:00 PM'},
{id:18, name:'06:00 PM'},
{id:19, name:'07:00 PM'},
{id:20, name:'08:00 PM'},
{id:21, name:'09:00 PM'},
{id:22, name:'10:00 PM'},
{id:23, name:'11:00 PM'},
{id:24, name:'00:00 --'}]
$scope.test = function()
{
var result=0,id2,a,b;
angular.forEach($scope.selects, function(value)
{ // loop over array to process all items
a = value.selected_id1;
b = value.selected_id2;
if((a!="") && (b!=""))
{
result +=(parseInt(b)-parseInt(a));
}
if(result < 0)
{
result = 24+result;
}
else
{
result = result;
}
alert("time result is"+result);
});
return result;
}
// function to calculate total Date ..........................................................
$scope.dateResult = function()
{
var dateResult =0,firstdate=0,seconddate=0,result=0,id2,a,b,extradays=0;
angular.forEach($scope.selects, function(value, key)
{
firstdate = value.var1;
seconddate = value.var2;
a = value.selected_id1;
b = value.selected_id2;
dateResult +=((seconddate-firstdate)/3600/1000/24);
if((a!="") && (b!=""))
{
result +=(parseInt(b)-parseInt(a));
}
if(result<0)
{
result = 24+result;
dateResult = dateResult-1;
}
alert("date result is"+dateResult);
});
return dateResult;
}
$scope.selects = [{}]; // default 1 sets
// functions to ADD/Remove --------------------------------------------------------------------------------
$scope.add = function()
{
$scope.selects.push({});
}
$scope.remove = function(item)
{
angular.forEach($scope.selects, function(value, key)
{
if (value == item)
{
$scope.selects.splice(key, 1);
}
});
}
// functions to ADD/Remove --------------------------------------------------------------------------------
}]);
app.directive('datetimez', function() {
return {
restrict: 'A',
require : 'ngModel',
link: function(scope, element, attrs, ngModelCtrl) {
element.datetimepicker({
dateFormat:'dd/MM/yyyy',
language: 'pt-BR'
}).on('changeDate', function(e) {
ngModelCtrl.$setViewValue(e.date);
scope.$apply();
});
}
};
});
</script>
</body>
</html>
答案 0 :(得分：1)
您可以执行以下代码
$scope.date = $filter("date")(Date.now(), 'yyyy-MM-dd');
您也可以查看此链接进行演示。 http://plnkr.co/edit/E5ctclikbwDviOhHrkHO?p=preview
快乐编码：）