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Angularjs 1.4在更改时不使用选择触发_Angularjs - Fatal编程技术网

Angularjs 1.4在更改时不使用选择触发

Angularjs 1.4在更改时不使用选择触发,angularjs,Angularjs,请找到 app.js var app = angular.module('plunker', []); app.controller('MainCtrl', function($scope) { $scope.name = 'World'; $scope.levels = [{LevelId:0,LevelName: "Level 1"}, {LevelId:1,LevelName: "Level 2" }]; $scope.updateLeve

请找到

app.js

var app = angular.module('plunker', []);
    app.controller('MainCtrl', function($scope) {
      $scope.name = 'World';
       $scope.levels = [{LevelId:0,LevelName: "Level 1"}, {LevelId:1,LevelName: "Level 2" }];
        $scope.updateLevel = function() {
            console.log("Fired on change");
            $scope.result="Data Changed";
        }
    });
index.html

<!DOCTYPE html>
<html ng-app="plunker">

<head>
  <meta charset="utf-8" />
  <title>AngularJS Plunker</title>
  <script>
    document.write('<base href="' + document.location + '" />');
  </script>
  <link rel="stylesheet" href="style.css" />
  <script data-require="angular.js@1.4.x" src="https://code.angularjs.org/1.4.2/angular.js" data-semver="1.4.2"></script>
  <script src="app.js"></script>
</head>

<body ng-controller="MainCtrl">
  <label for="textbox3">Select Level</label>
  <select id="LevelSelect" class="form-control" ng-Change="updateLevel()" ng-model="selectedLevel" ng-options="lvl as level.LevelName for level in levels"></select>
  <p>{{result}}</p>
</body>

</html>

安古拉斯普朗克
文件。写(“”);
选择级别
{{result}}


我提到了各种SO问题,如和。建议。

您使用
ng选项的方式不正确,因为呈现的选项值正在获取
未定义:未定义的
所有选项请检查下图,当您更改所选项目时,不会触发
ng change
事件,因为所有值都相同

那么换成,

ng-options="level as level.LevelName for level in levels"
请参阅此页


反应非常好。非常感谢你。经过多次斗争,情况确实有所不同是的,很高兴为您提供帮助:)请查看我添加的角度文档,并使用
ng change
simple
c
,这不会导致任何问题,但这是标准。:)切雷斯