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我用AngularJS开发了一个简单的应用程序,我想基于这个网站Js Charts添加一个简单的图表

这是我的data.json:

[
    {
        "name": "city A",
        "elements": [
            {
                "id": "c01",
                "name": "name1",
                "price": "15",
                "qte": "10"
            },
            {
                "id": "c02",
                "name": "name2",
                "price": "18",
                "qte": "11"
            },
            {
                "id": "c03",
                "name": "name3",
                "price": "11",
                "qte": "14"
            }
        ],
        "subsities": [
            {
                "name": "sub A1",
                "elements": [
                    {
                        "id": "sub01",
                        "name": "nameSub1",
                        "price": "1",
                        "qte": "14"
                    },
                    {
                        "id": "sub02",
                        "name": "nameSub2",
                        "price": "8",
                        "qte": "13"
                    },
                    {
                        "id": "sub03",
                        "name": "nameSub3",
                        "price": "1", …