JavaScript的简化版，角UI日期选择正确的日期转换为UTC [英] javascript does't convert angular ui datepicker date to UTC correctly

问题描述

我采用了棱角分明的UI日期选择在我的项目（​​asp.net网页API + angularjs）。一切工作正常，但是当我试图保存日期分贝它不它正确转换为UTC格式和substructs 1天（实际上是几个小时，但它影响了一天太）。

I'm using angular ui datepicker in my project(asp.net web api + angularjs). All works fine but when I'm trying to save date to Db it doesn't convert it to UTC format correctly and substructs 1 day(actually a few hours but it affects for a day too).

例如，当我在日期选择器中选择2014年1月11日：

For example when I choose 01/11/2014 in the datepicker:

Angularjs object:
Sat Nov 01 2014 00:00:00 GMT+0200 (FLE Standard Time)

In request: 
2014-10-31T22:00:00.000Z

In asp.net api controller:
{31-Oct-14 10:00:00 PM}

日期选择器控制器：

Datepicker controller:

app.controller('DatepickerCtrl', function ($scope) {
    $scope.today = function () {
        $scope.dt = new Date();
    };
    $scope.today();
    $scope.clear = function () {
        $scope.dt = null;
    };
    $scope.open = function ($event) {
        $event.preventDefault();
        $event.stopPropagation();

        $scope.opened = true;
    };
    $scope.format = 'dd/MM/yyyy';
    $scope.dateOptions = {
        'starting-day': 1
    };
});

hnml：

<div class="form-group inputGroupContainer" ng-controller="DatepickerCtrl">
                    <label for="date">Date of Birth</label>
                    <p class="input-group">
                        <input type="text" name="date1" ui-date="{dateFormat: 'yy-mm-dd'}" ui-date-format="yy-mm-dd" placeholder="DD/MM/YYYY" class="form-control" datepicker-popup="{{format}}" ng-model="user.Personal.BirthDate" max-date="currentDate" is-open="opened" close-text="Close" />
                        <span class="input-group-btn">
                            <button type="button"   class="btn btn-default" ng-click="open($event)"><i class="glyphicon glyphicon-calendar"></i></button>
                        </span>
                    </p>
                </div>

但是，好像角度日期选择器突出显示正确的日期：

But seems like angular datepicker highlight the correct date:

我试过手动日期转换为UTC格式，但没有成功，以及

I've tried to manually convert date to UTC format but unsuccessfully as well

   toUTCDate: function (d) {
            var date = new Date(d);
            var _utc = new Date(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate());//, date.getUTCHours(), date.getUTCMinutes(), date.getUTCSeconds()
            return _utc;
        }

我应该指定时区或使用角度JS过滤器？
我将AP preciate任何帮助！

Should I specify timezone or use angular js filter? I'll appreciate any help!

推荐答案

我有完全相同的问题，解决的办法是删除的日期部分的组件时区。为了解决一个更通用的方式，我写了一个指令，这个问题

I have had the exact same problem, the solution was to remove the timezone component of the date part. To solve the problem in a more generic way I had written a directive

csapp.directive("csDateToIso", function () {

    var linkFunction = function (scope, element, attrs, ngModelCtrl) {

        ngModelCtrl.$parsers.push(function (datepickerValue) {
            return moment(datepickerValue).format("YYYY-MM-DD");
        });
    };

    return {
        restrict: "A",
        require: "ngModel",
        link: linkFunction
    };
});

以上指令删除时区的一部分，只考虑了ISO日期格式输入的日期部分。

above directive removes the timezone part and only considers the date part of the ISO date format input.

我使用日期操作moment.js。但是你可以很容易地转换上述不使用moment.js

I do use moment.js for date manipulations. But you can easily convert above to not use moment.js

修改

使用它像下面

  <input ng-model='abc' cs-date-to-iso ui-datepicker>

这篇关于JavaScript的简化版，角UI日期选择正确的日期转换为UTC的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！