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我想根据在下拉列表中选择哪个项目来显示列表。基于下拉条件的条件ng重复
当我使用下面的代码,我得到这个错误: TypeError: Cannot read property 'type' of undefined
如何做到这一点的权利有什么建议?
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']}
};
选择列表的“ng-model”被设置为“editProject.project.type”,但是在你正在阅读的控制器中itProject.projects.type'(注意's')。 –