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我试图创建级联下拉使用knockoutjs列表和以下数据来源:淘汰赛mappins儿童阵列
[{"$id":"1",
"Id":1,
"Name":"Nikon",
"Cameras":[{
"$id":"2",
"Id":1,
"Name":"D90"},
{"$id":"3",
"Id":2,
"Name":"D5100"},
{"$id":"4",
"Id":3,
"Name":"D700"}]},
{"$id":"5",
"Id":2,
"Name":"Canon",
"Cameras":[{
"$id":"6",
"Id":4,
"Name":"550D"},
{"$id":"7",
"Id":5,
"Name":"600D"},
{"$id":"8",
"Id":6,
"Name":"650D"}]},
{"$id":"9",
"Id":3,
"Name":"Sony",
"Cameras":[]},
{"$id":"10",
"Id":4,
"Name":"Pentax",
"Cameras":[]},
{"$id":"11",
"Id":5,
"Name":"Olympus",
"Cameras":[]},
{"$id":"12",
"Id":6,
"Name":"Panasonic",
"Cameras":[]},
{"$id":"13",
"Id":7,
"Name":"Leica",
"Cameras":[]}]
我试图映射此JSON到我的公司对象使用knockoutjs映射插件:
$.getJSON(url, function (data) {
$.each(data, function() {
companies.push(ko.mapping.fromJS(this));
});
});
但似乎摄像机阵列没有映射。你能告诉我为什么会发生这种情况?谢谢。