angularjs ngModel未在选择输入中选择选项
发布时间:2020-12-17 07:08:58 所属栏目:安全 来源:网络整理
导读:ngModel对输入类型文本的工作方式是否不同并选择? 未选择选择控件以反映初始模型值. 当我更改select,input和currentUser.field的值也会改变,但如果我将输入文本的值更改为另一个键,则没有任何选择. {{currentUser.field}} // show correct field field key
ngModel对输入类型文本的工作方式是否不同并选择?
未选择选择控件以反映初始模型值. 当我更改select,input和currentUser.field的值也会改变,但如果我将输入文本的值更改为另一个键,则没有任何选择. {{currentUser.field}} // show correct field field key (number) val // ng-model works => show correct field key (number) val <input ng-model="currentUser.field" type="text" /> // <option value="?" selected="selected" label=""></option> is selected <select ng-model="currentUser.field" ng-options='item.key as item.value for item in currentUser.collections.field '> </select> // only works with input text and {{currentUser.field}} <button ng-click='currentUser.field = 305'>select field (int)</button> <button ng-click='currentUser.field = "305"'>select field (string)</button> 解决方法
您的代码应该正常工作,除非您将值设置为不在您的选项中的currentUser.field:
var app = angular.module('app',[]); app.controller('myController',function($scope) { $scope.currentUser = { collections: { field: [{ key: '1',value: 'one' },{ key: '2',value: 'two' },{ key: '3',value: 'three' }] } }; $scope.currentUser.field = "2"; }); <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.15/angular.min.js"></script> <div ng-app='app' ng-controller='myController'> <h3>expression</h3> {{currentUser.field}} <h3>input</h3> <input ng-model='currentUser.field' type='text'> <h3>select</h3> <select ng-model='currentUser.field' ng-options='item.key as item.value for item in currentUser.collections.field'></select> <h3>buttons</h3> <button ng-click='currentUser.field="305"'>305</button> <button ng-click='currentUser.field="1"'>1</button> </div> (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |