Question

我正在使用ionic和angularjs用于移动应用程序，我正在尝试使用pull来刷新，但是当刷新（从UI调用doRefresh）时，我收到错误

“未捕获的TypeError：无法读取未定义的属性'getFromServer'”

当控制器加载时，对getServiceList的调用正常工作

我无法理解为什么serviceListSerice返回一个未定义的对象。请帮忙

我的Controller.js

angular.module('starter.controllers', ['ionic', 'ui.bootstrap.datetimepicker'])

.controller('serviceListCtrl',function($scope,$rootScope,$state,serviceListService){


 $scope.doRefresh=function(serviceListService,$scope) {
    serviceListService.getFromServer($scope); //<-this is where i am getting the error
   //$scope.$broadcast('scroll.refreshComplete');
};

serviceListService.getServiceList($scope); //<--- this is called successfully 
                                           //when controller is getting loaded.
})

我的services.js

angular.module('starter.services', [])
.factory('serviceListService',function() {

    return {


        getServiceList : function($scope) {
            var jsonStr='({"data":[{"id":"1","CircuitID":"130101002","Customer No.":"4160891","CustomerName":"ZZZZ Customer","Last Order":"130101002","ServiceType":"Some String","StartDate":"41878.4125"},'+
            '{"id":"2","CircuitID":"140501837","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140501837","ServiceType":"SOME STRING","StartDate":"41859.4083333333"},'+
            '{"id":"3","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"4","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"5","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"6","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"7","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"8","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"9","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"10","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"11","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"12","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"13","CircuitID":"140502362","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"}'+
            ']})';
            console.log(jsonStr);
            var datas= eval(jsonStr);
            $scope.services=datas.data;

        },

        loadMoreServices : function($scope) {
            var updateList='({"data":[{"id":"14","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"15","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"16","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"17","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"18","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"19","CircuitID":"140502362","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"}'+
            ']})';
            $scope.res.push(eval(jsonStr));
            $scope.$broadcast('scroll.infiniteScrollComplete');
        },  

        getFromServer:function($scope) {

        var jsonStr='({"data":[{"id":"14","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"15","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"16","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"17","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"18","CircuitID":"140502361","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"},'+
            '{"id":"19","CircuitID":"140502362","Customer No.":"A0156272","CustomerName":"SOME Company","Last Order":"140502361","ServiceType":"SOME STRING","StartDate":"41858.9583333333"}'+
            ']})';
            $scope.res= eval(jsonStr);
            $scope.$broadcast('scroll.refreshComplete');
        },


        clearSearch : function($scope) {
            $scope.search = '';
        }
    }
})

Answer 1

为什么要在$ scope函数中传递serviceListService？你不需要它，因为它是在整个控制器中声明的。试试这个：

$scope.doRefresh = function($scope) {
    serviceListService.getFromServer($scope); //<-this is where i am getting the error
   //$scope.$broadcast('scroll.refreshComplete');
};

Answer 2

您不需要再次注入服务serviceListService。更改代码如下并尝试！

$scope.doRefresh=function($scope) {
    serviceListService.getFromServer($scope); //<-this is where i am getting the error
   //$scope.$broadcast('scroll.refreshComplete');
};

Answer 3

serviceListService当passong到scope函数时会覆盖工厂引用，现在是doRefresh函数的局部变量，显然不会有它们的工厂方法，不要传递它，因为你不需要

$scope.doRefresh=function($scope) {
    serviceListService.getFromServer($scope); //<-this is where i am getting the error
   //$scope.$broadcast('scroll.refreshComplete');
};

Answer 4

 $scope.doRefresh=function($scope) {
    serviceListService.getFromServer($scope); 
   //$scope.$broadcast('scroll.refreshComplete');
};

您不需要将依赖项传递给控制器内部的内部函数，工厂serviceListService可以在整个控制器中访问

工厂返回未定义的对象

4 个答案: