使用 angular-nvd3 出现错误 "data.map is not a function"

Getting error "data.map is not a function" using angular-nvd3

当我尝试使用 angular-nvd3.

配置简单的折线图时,我遇到了一些严重的 nvd3 错误

我编辑了给定的 plunker 示例,看起来可能是我的数据格式不正确,因为仅交换选项仍然有效。

这是一个故障插件: http://plnkr.co/edit/fznNKBw6hwNYavfZ3Nvi?p=preview

选项:

  $scope.options = {
    "chart": {
      "type": "lineChart",
      "height": 450,
      "useInteractiveGuideline": true,
      "dispatch": {},
      "xAxis": {
        "axisLabel": "Months"
      },
      "yAxis": {
        "axisLabel": "Team size",
      }
    }
  };

数据:

$scope.data = {
    "key": "Monthly",
    "values": [{
      "x": 0,
      "y": 2
    }, {
      "x": 1,
      "y": 6
    }, {
      "x": 2,
      "y": 10
    }]
  }

谁能发现这个问题?

我用来自 nvd3 站点的示例替换了您的 scope.data:

      $scope.data = sinAndCos();

    /*Random Data Generator */
    function sinAndCos() {
        var sin = [],sin2 = [],
            cos = [];

        //Data is represented as an array of {x,y} pairs.
        for (var i = 0; i < 100; i++) {
            sin.push({x: i, y: Math.sin(i/10)});
            sin2.push({x: i, y: i % 10 == 5 ? null : Math.sin(i/10) *0.25 + 0.5});
            cos.push({x: i, y: .5 * Math.cos(i/10+ 2) + Math.random() / 10});
        }

        //Line chart data should be sent as an array of series objects.
        return [
            {
                values: sin,      //values - represents the array of {x,y} data points
                key: 'Sine Wave', //key  - the name of the series.
                color: '#ff7f0e'  //color - optional: choose your own line color.
            },
            {
                values: cos,
                key: 'Cosine Wave',
                color: '#2ca02c'
            },
            {
                values: sin2,
                key: 'Another sine wave',
                color: '#7777ff',
                area: true      //area - set to true if you want this line to turn into a filled area chart.
            }
        ];
    };

这在这个 plunkr 中有效:

plunkr

所以这意味着您正在尝试执行的操作的数据组件有问题。通过 adding/subtracting 从您的数据元素进行试验,看看是否有帮助。

编辑: 您的数据对象格式错误:它应该是这种格式:

  $scope.data = [{
        "key" : "Monthly",
        values : [{
                "x" : 1,
                "y" : 6,
                "color" : 'blue'
            }, {
                "x" : 2,
                "y" : 10,
                "color" : 'red'
            }
        ]
    }
  ];  

所以根据文档,数据对象需要一个数组,然后值是另一个值对象数组:

quickstart 1/3 way down page

var app = angular.module('plunker', ['nvd3']);

app.controller('MainCtrl', function($scope) {
    $scope.options = {
        chart: {
            type: "lineChart",
            height: 450,
            useInteractiveGuideline: true,
            dispatch: {},
            xAxis: {
                axisLabel: "Months"
            },
            yAxis: {
                axisLabel: "Team size",
            }
        }
    };


    $scope.data = [{
        key: "Monthly",
        values: [{
            x: 0,
            y: 2
        },{
            x: 1,
            y: 6
       }, {
            x: 2,
            y: 10
       }],

    }]
    console.log($scope.options, $scope.data)
});

这是您使用的数据的工作示例(在 plunker 中)