angular.js - Mengapakah ia dipaparkan selepas mengklik ng-options dua kali apabila melakukan pertanyaan alamat lata dalam angularjs?

Question

Apabila menggunakan angularjs untuk melakukan pemilihan lata alamat, data latar belakang telah dihantar dan diperoleh, tetapi pilihan tidak dipaparkan apabila anda mengklik buat kali pertama, dan data akan dipaparkan hanya untuk kali kedua,

html:

<p class="w100 bs-bb clearfloat lh30 pt10 pb10p bb-gray" >
                    <!-- sel-provance -->
                    <span class="chooseaddress">省份</span>
                    <select class="w75 lh30 fr mr10p" ng-model="provincename" 
        ng-options="province.code as province.province_name for province in provinces" >
                        <option value="">省份</option>
                    </select><br>
                </p >
                <p class="w100 bs-bb clearfloat lh30 pt10 pb10p bb-gray">
                    <p>Province:{{provincename || 'None'}}</p>
                </p>
                <p class="w100 bs-bb clearfloat lh30 pt10 pb10p bb-gray"  ng-touchend="getCity()">
                    <span class="chooseaddress">市</span>
                    <select class="w75 lh30 fr mr10p" ng-model="cityname" 
                        ng-options="city.code as city.city_name for city in cities">
                        <option value="">市</option>
                    </select><br>
                    <!-- sel -->
                </p>
                <p class="w100 bs-bb clearfloat lh30 pt10 pb10p bb-gray">
                    <p>City:{{cityname || 'None'}}</p>
                </p>
                <p class="w100 bs-bb clearfloat lh30 pt10 pb10p bb-gray" ng-touchend="getArea()">
                    <!-- sel-area -->
                    <span class="chooseaddress">区/县</span>
                    <select class="w75 lh30 fr mr10p" ng-model="areaname"
                        ng-options="area.code as area.area_name for area in areas"></select><br>
                </p>
                

pengawal:

myApp.controller("newAddressCtrl", function($scope, $state, locals, shareFactory, addressService) {
        $scope.selfInfo = shareFactory.getVal("selfInfo");
        var token = locals.get('token', '');
        var proviceInfo = addressService.provinceService();
        proviceInfo.then(function(p) {
            $scope.provinces = p;
        }, function(p) {
            $scope.error = p;
        });
        
        $scope.requireValue = true;
        $scope.telPattern = new RegExp("^[1][358][0-9]{9}$");
        //点击获取对应的市

        $scope.getCity = function() {

            var cityInfo = addressService.cityService($scope.provincename);
            cityInfo.then(function(c) {

                $scope.cities = c.cities;

            }, function(c) {
                $scope.error = c;
            })

        }

        $scope.getArea = function() {
                var areaInfo = addressService.areaService($scope.cityname);
                areaInfo.then(function(a) {
                    $scope.areas = a.areas;
                }, function(a) {
                    $scope.error = a;
                })
            

        }
        $scope.back = function() {
            history.go(-1);
        }
        $scope.copyText = function() {
            var saveAddress = addressService.addressSaveService(id, $scope.contacter_name, $scope.provincename.province_id, $scope.cityname.city_id, $scope.areaname.area_id, $scope.postal_code, $scope.phone_number, $scope.detailed_address, token);
            saveAddress.then(function(d) {
                console.log(d);
            }, function(d) {
                $scope.error = d;
            })
        }
    })
    
    求助各位大神，请问是哪里的问题？我实在是找不到了T_T

Answer 1

Bercakap tentang isu utama, siapa yang mempunyai masa untuk membaca begitu banyak kod?

Answer 2

Saya ingin bertanya, adakah masalah telah selesai?