AngularJS实现select的ng-options功能示例

时间:2021-05-28

本文实例讲述了AngularJS实现select的ng-options功能。分享给大家供大家参考,具体如下:

controller

.controller('MainController', function($scope, $http, $ionicModal, $timeout) { var post = {}; $http.get("data/themeData.json") .success(function(response) { $scope.themeData = response.themeData; }); $ionicModal.fromTemplateUrl('templates/post.html', { scope: $scope }).then(function(modal) { $scope.modal = modal; }); $scope.postShow = function() { post = $scope.post = {}; $scope.modal.show(); }; $scope.cancelPost = function() { $scope.modal.hide(); }; $scope.doPost = function() { console.log('doPost-----'); console.log(post); $timeout(function() { $scope.cancelPost(); }, 1000); }; })

html

<ion-modal-view><form name="post_form"> <ion-header-bar> <button class="button button-icon icon ion-ios-arrow-back" ng-click="cancelPost()"></button> <h1 class="title">发帖</h1> <button class="button button-icon icon ion-forward" ng-disabled="post_form.$invalid" ng-click="doPost()"></button> </ion-header-bar> <ion-content> <div class="list"> <label class="item item-input myLabel"> <input type="text" placeholder="标题" ng-model="post.title" required/> </label> <label class="item item-input myLabel2"> <select class="mySelect col" ng-model="post.kmForumCategoryId" ng-options="theme.id as theme.name for theme in themeData" required>    <!-- 添加了id属性作为option的value --> <option value="">选择主题分类</option> </select> </label> <label class="item item-input myLabel"> <textarea class="post_content" placeholder="内容" ng-model="post.content" required></textarea> </label> </div> </ion-content></form></ion-modal-view>

实现的DOM

<select class="mySelect col ng-pristine ng-untouched ng-invalid ng-invalid-required" ng-model="post.kmForumCategoryId" ng-options="theme.id as theme.name for theme in themeData" required="">  <option value="">选择主题分类</option>  <option value="0" label="主题111">主题111</option>  <option value="1" label="主题222">主题222</option>  <option value="2" label="有没问题">有没问题</option>  <option value="3" label="测试112">测试112</option>  <option value="4" label="你好">你好</option>  <option value="5" label="主题">主题</option>  <option value="6" label="测试000">测试000</option></select>

可以用ng-change事件监控来看看输出的是什么

更多关于AngularJS相关内容感兴趣的读者可查看本站专题:《AngularJS指令操作技巧总结》、《AngularJS入门与进阶教程》及《AngularJS MVC架构总结》

希望本文所述对大家AngularJS程序设计有所帮助。

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