[英]Angular.js getting ng-options list from previous ng-options selection in object of objects
[英]Angular JS ng-options to access object inside object not working
我正在尝试创建将是动态的几个选择按钮,对于第一个选择按钮,使用ng-options可以正常工作。
<select ng-options="muscles.name for muscles in bigdata.muscles track by muscles.id" ng-model="selected"></select>
现在,关于第二个,它简单地没有起作用,或者没有打印。
<select ng-options="exercises.name for exercises in bigdata.exercises" ng-model="selected"></select>
第三个打印完整的数组,而不是分开。
<select ng-options="reps for reps in bigdata.muscles.reps" ng-model="selected"></select>
我的Json文件如下所示:
{
"name": "Gym App",
"muscles":[
{
"id":1,
"name": "chest",
"reps": [4,6,7,8,9,10,11,12],
"weight": [2,4,6,8,10,12,16,18,20,22,24,26,28,30],
"image": "img/muscles/chest.jpg",
"exercises": [
{
"name": "ALTERNATING FLOOR PRESS",
"rating": 6.1
}, (and goes on with exercises)...
对象内部的对象是否需要区别对待?
谢谢
有一些错误。 muscles
是阵列,而不是对象。
2)从bigdata.exercises
替换为bigdata.muscles[0].exercises
3)从bigdata.muscles.reps
替换为bigdata.muscles[0].reps
这样就可以了
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