Question

我正在使用angular-google-chart https://github.com/angular-google-chart/angular-google-chart。

以下代码可以正常运行并且图表会加载。

x_axis = {id: "t", label: "Date", type: "string"};
y_axis = {id: "s", label: "Value (%)", type: "number"};            

ChartObj.data =
            {"cols": [
                horizontal_axis,
                vertical_axis
            ],
                "rows": [
                    {c:[{v: 1},{v: 98}]},{c:[{v: 2},{v: 90}]},{c:[{v: 3},{v: 120} ]}
                ]
            };

如果我将x_axis从字符串更改为日期类型;

x_axis = {id: "t", label: "Date", type: "date"};

图表未加载，并显示错误。

google-visualization-errors-0“，消息：”c [Me]不是函数

当我查看文档https://developers.google.com/chart/interactive/docs/datesandtimes时，日期类型似乎支持。我错过了什么吗？哪里可以找到角度谷歌图表的准确文档？到目前为止，这些例子似乎是代码示例的形式。

Answer 1

以下示例演示了如何使用Google Chart Tools AngularJS Directive Module指定日期：

＆＃13;

angular.module("chartApp", ["googlechart"])
.controller("GenericChartCtrl", function ($scope) {
    $scope.chartObject = {};

    $scope.chartObject.type = "BarChart";


        $scope.chartObject.data = {
            "cols": [
                { id: "s", label: "Date", type: "date" },
                { id: "t", label: "Precipitation (mm)", type: "number" },
            ],
            "rows": [
                {
                    c: [
                        { v: new Date(2000, 0, 1) },
                        { v: 40 },
                    ]
                },
                {
                    c: [
                        { v: new Date(2000, 1, 2) },
                        { v: 50 },
                    ]
                },
                {
                    c: [
                        { v: new Date(2000, 2, 1) },
                        { v: 35 },
                    ]
                },
                {
                    c: [
                        { v: new Date(2000, 3, 1) },
                        { v: 30 },
                    ]
                }
            ]
        };

    $scope.chartObject.options = {
        'title': 'AVERAGE MONTHLY PRECIPITATION OVER THE YEAR (RAINFALL, SNOW)',
        vAxis: {
           format: 'MMM', //display month part
        },
    };
});

＆＃13;

<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.3.18/angular.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular-google-chart/0.0.11/ng-google-chart.js"></script>

<body ng-app='chartApp' ng-controller="GenericChartCtrl">
    <div google-chart chart="chartObject"  style="height:600px; width:100%;"></div>
</body>

＆＃13;

Google-Chart-angularjs是否支持“日期”类型？

1 个答案: