如何使用angular格式化对象属性的选择显示？

$scope.StateList = {"States": [
    {
        "Id": 1,
        "Code": "AL",
        "Name": "Alabama"
    },
    {
        "Id": 2,
        "Code": "AK",
        "Name": "Alaska"
    },
    {
        "Id": 3,
        "Code": "AZ",
        "Name": "Arizona"
    },
    {
        "Id": 4,
        "Code": "AR",
        "Name": "Arkansas"
    }]}
$scope.StateList = {"States": [
    {
        "