Javascript 在AngularJS中使用带有选项选择的ng选项
我使用的是AngularJS,我想对select标记使用ng选项来显示按optgroups分组的选项 这是我要在选择选项中使用的数组:Javascript 在AngularJS中使用带有选项选择的ng选项,javascript,html,angularjs,Javascript,Html,Angularjs,我使用的是AngularJS,我想对select标记使用ng选项来显示按optgroups分组的选项 这是我要在选择选项中使用的数组: $scope.myList = [ { "codeGroupCompetence": 1, "titre": "TECH. DE PRODUCTION / EXPLOITATION", "activated": true, "competences": [ { "code
$scope.myList = [
{
"codeGroupCompetence": 1,
"titre": "TECH. DE PRODUCTION / EXPLOITATION",
"activated": true,
"competences": [
{
"codeCompetence": 7,
"titre": "Tech. exploitation",
"activated": true
},
{
"codeCompetence": 8,
"titre": "Tech. postes de travail",
"activated": true
},
{
"codeCompetence": 9,
"titre": "Tech. réseaux",
"activated": true
},
{
"codeCompetence": 10,
"titre": "Tech. Help Desk",
"activated": true
},
{
"codeCompetence": 11,
"titre": "Tech. Téléphonie",
"activated": true
},
{
"codeCompetence": 12,
"titre": "Tech. Autre",
"activated": true
}
]
},
{
"codeGroupCompetence": 2,
"titre": "ETUDES, CONCEPTION, MODELISATION",
"activated": true,
"competences": [
{
"codeCompetence": 5,
"titre": "Concepteur UML, Merise, ...",
"activated": true
},
{
"codeCompetence": 13,
"titre": "Admin Windows",
"activated": true
},
{
"codeCompetence": 14,
"titre": "Admin Unix",
"activated": true
},
{
"codeCompetence": 15,
"titre": "Admin Linux",
"activated": true
},
{
"codeCompetence": 16,
"titre": "Administrateur AS400",
"activated": true
},
{
"codeCompetence": 17,
"titre": "Administrateur Mainframe IBM",
"activated": true
},
{
"codeCompetence": 18,
"titre": "Administrateur Autres Systèmes",
"activated": true
}
]
},
{
"codeGroupCompetence": 3,
"titre": "ADMIN SYSTEMES",
"activated": true,
"competences": [
{
"codeCompetence": 6,
"titre": "Urbaniste SI",
"activated": true
}
]
}
];
为了使用ng options
中的group by
功能显示此列表,我创建了一个新数组,如下所示:
$scope.competences = [];
myList.forEach(function(group){
group.competences.forEach(function(competence){
$scope.competences.push({
id : competence.codeCompetence,
titre : competence.titre,
group : group.titre
})
});
});
这就是我显示选择选项的方式:
<select ng-model="tipost"
ng-options="competence.id as competence.titre group by competence.group for competence in competences track by competence.id">
</select>
不幸的是,由于某种原因,这不起作用,我不知道是什么原因
那么,我该如何解决这个问题呢
另一个问题:没有其他方法只使用第一个数组和group by
提前谢谢
这是我的示例中的一个JSFIDLE:
我用叉子叉了你的小提琴:
我注意到了几件事:
我删除了repeat中的track by子句,并向控制器添加了scope vairable$scope.tipost
<select ng-model="tipost"
ng-options="competence.id as competence.titre group by competence.group for competence in competences">
</select>
在这种情况下,控制台会告诉您出了什么问题
$scope.tipost = 5;
$scope.myList.forEach(function(group){
group.competences.forEach(function(competence){
$scope.competences.push({
id : competence.codeCompetence,
titre : competence.titre,
group : group.titre
})
});
});