test/pie-dataView.html

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<html>
    <head>
        <meta charset="utf-8">
        <script src="lib/simpleRequire.js"></script>
        <script src="lib/config.js"></script>
        <link rel="stylesheet" href="lib/reset.css" />
    </head>
    <body>
        <div id="main"></div>

        <script>
            var chart;
            require([
                'echarts'
            ], function (echarts) {

                chart = echarts.init(document.getElementById('main'));

                var data = [
                    {"name": "USA", "value": 15276.0},
                    {"name": "UK", "value": 4855.0},
                    {"name": "France", "value": 3291.0},
                    {"name": "Italy", "value": 3157.0},
                    {"name": "Spain", "value": 2859.0},
                    {"name": "Brazil", "value": 1662.0},
                    {"name": "Others", "value": 5152.0}
                ];
                var data2 = [
                    {"value": 15276.0},
                    {"value": 4855.0},
                    {"value": 3291.0},
                    {"value": 3157.0},
                    {"value": 2859.0},
                    {"value": 1662.0},
                    {"value": 5152.0}
                ];
                var data3 = [
                    15276.0,
                    4855.0,
                    3291.0,
                    3157.0,
                    2859.0,
                    1662.0,
                    5152.0
                ];

                chart.setOption({
                    toolbox: {
                        feature: {
                            dataView:{
                                readOnly: false
                            },
                            restore: {}
                        }
                    },
                    tooltip: {
                        trigger: 'item',
                        formatter: '{a} <br/>{b} : {c} ({d}%)'
                    },
                    series: [{
                        name: 'Total deaths of various countries',
                        type: 'pie',
                        data: data,
                        radius: '50%',
                        clockwise: false,
                        label: {
                            formatter: "{b} : {num|{c}} | {rate|{d}%}",
                            color: "black",
                            fontSize: 20,
                            rich: {
                                num: {
                                    fontSize: 22,
                                    fontWeight: 'bold',
                                    color: "black"
                                },
                                rate: {
                                    fontSize: 22,
                                    fontWeight: 'bold',
                                    color: "black"
                                },
                                symbol: {
                                    fontSize: 22,
                                    color: "black"
                                }
                            }
                        },
                        emphasis: {
                            itemStyle: {
                                shadowBlur: 10,
                                shadowOffsetX: 0,
                                shadowColor: 'rgba(0, 0, 0, 0.5)'
                            }
                        }
                    }]
                });

            });

        </script>

    </body>
</html>