你好,我希望提供一个日期拾取器(材料套件UI),当我返回一个页面上的快照图像列表时,过滤返回快照的日期。然而,我得到一个注入器错误:angular.js:13920错误:[$injector:unpr]未知提供商:dayFilterFilterProvider <http://errors.angularjs.org/1.5.8/$喷射器/unpr ? p0 = dayFilterFilterProvider % 20% 3 c-nanayfilterfilter
指令如下:
(function () {
"use strict";
app.controller("MainController", [
"$rootScope",
"$scope",
function ($rootScope, $scope) {
$scope.dayFilter = null;
$scope.dayFilter = function(items, date) {
return function(items, date) {
$rootScope.dateFilter = date;
var filtered = [];
var begin, end
begin = date.setHours(0, 0, 0);
end = date.setHours(23, 59, 59);
angular.forEach(items, function(item) {
if (item > begin && item < end) {
filtered.push(item)
}
})
console.log("Filtered day", date)
return filtered
}
};
$scope.dayFilter(new Date(), 'date');
这里是html:
<div class="dropdown">
<h3 class="dropdown-toggle" id="day-datetimepicker" role="button" data-toggle="dropdown" data-target="#"> {{ filtered.date ? filtered.date.label : 'Day' }} <span class="caret"></span></h3>
<ul class="dropdown-menu" role="menu" aria-labelledby="day-datetimepicker">
<datetimepicker data-ng-model="dateFilter" data-datetimepicker-config="{
dropdownSelector: '#day-datetimepicker',
minView: 'day',
startView: 'day'
}" data-on-set-time="dayFilter(newDate, 'day')"></datetimepicker>
</ul>
</div>
<a ng-repeat="s in chui.snapshot | dayFilter:'day' | orderBy:'-date'"
ng-click="select('snapshot', s);
modal('snapshot-keyholder', true);"
class="snapshot-thumbnail col-xs-6 col-sm-4 col-md-3 col-lg-2"
>
如果你还有什么问题,请告诉我。万分感谢
作为对第一个答案的响应,我创建了这个模块:
app.filter("dayFilter",[
function () {
return function dayFilter(items,date) {
var d = new Date();
var filteredItems = [];
var begin, end
begin = d.setHours(0, 0, 0);
end = d.setHours(23, 59, 59);
angular.forEach(items, function(item) {
if (item > begin && item < end) {
filtered.push(item);
}
})
console.log("Filtered day", d);
return filteredItems
}
$filter("dayFilter");
// dayFilter(new Date(),'date');
}]);
I no longer get an error, but the snapshots do not appear in the output, even though I get the following in the console:
iltered day Thu Nov 10 2016 23:59:59 GMT-0500 (COT)
main.js?v=2016-11-08-3:89 Filtered day Thu Nov 10 2016 23:59:59 GMT-0500 (COT)
main.js?v=2016-11-08-3:89 Filtered day Thu Nov 10 2016 23:59:59 GMT-0500 (COT)
main.js?v=2016-11-08-3:89 Filtered day Thu Nov 10 2016 23:59:59 GMT-0500 (COT)
main.js?v=2016-11-08-3:89 Filtered day Thu Nov 10 2016 23:59:59 GMT-0500 (COT)
main.js?v=2016-11-08-3:89 Filtered day Thu Nov 10 2016 23:59:59 GMT-0500 (COT)
main.js?v=2016-11-08-3:89 Filtered day Thu Nov 10 2016 23:59:59 GMT-0500 (COT)
main.js?v=2016-11-08-3:89 Filtered day Thu Nov 10 2016 23:59:59 GMT-0500 (COT)
main.js?v=2016-11-08-3:89 Filtered day Thu Nov 10 2016 23:59:59 GMT-0500 (COT)
模板在ng-repeat
指令中使用dayFilter
。要向模块添加过滤器,请使用module.filter
方法:
app.filter("dayFilter", () => {
return function dayFilter(items, date) {
//filter code
return filteredItems;
};
});
要在控制器中实例化过滤器,使用$filter
服务:
$filter("dayFilter");
更多信息,请参见AngularJS开发者指南——创建自定义过滤器