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我想根據在下拉列表中選擇哪個項目來顯示列表。基於下拉條件的條件ng重複
當我使用下面的代碼,我得到這個錯誤: TypeError: Cannot read property 'type' of undefined
如何做到這一點的權利有什麼建議?
HTML:
<select class="form-control" ng-model="editProject.project.type"
ng-options="project as project.type for project in editProject.options track by project.type">
</select>
<ul class="list-group">
<li class="list-group-item" ng-repeat="benefit in editProject.foods()">{{snack}}</li>
</ul>
控制器:
.controller('EditProjectCtrl', function() {
var editProject = this;
editProject.options = [
{'type': 'Fruits'},
{'type': 'Vegetables'},
{'type': 'Desserts'}
];
editProject.snacks = function() {
if(editProject.project.type == 'Fruits') {return [
'Grapes',
'Oranges',
'Apples',
]}
if(editProject.project.type == 'Vegetables') {return [
'Broccoli',
'Spinache',
'Kale',
]}
else {return [
'Cookies',
'Cake',
'Pie']}
};
選擇列表的「ng-model」被設置爲「editProject.project.type」,但是在你正在閱讀的控制器中itProject.projects.type'(注意's')。 –