test/tooltip-valueFormatter.html - master - githubmirror/echarts

test/tooltip-valueFormatter.html
325 строк11 KB
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tweak test case
15 янв 2026, 19:16
15 янв 2026, 19:16c6984ba
<!DOCTYPE html>
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<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <script src="lib/simpleRequire.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/jquery.min.js"></script>
        <script src="lib/facePrint.js"></script>
        <script src="lib/testHelper.js"></script>
        <!-- <script src="ut/lib/canteen.js"></script> -->
        <link rel="stylesheet" href="lib/reset.css" />
    </head>
    <body>
        <style>
        </style>



        <div id="main0"></div>
        <div id="main1"></div>
        <div id="main2"></div>
        <div id="main3"></div>





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

            option = {
                animation: false,
                tooltip: {
                    position: 'top',
                    valueFormatter: (val) => val + '%'
                },
                xAxis: {
                    type: 'category',
                    data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
                },
                yAxis: {
                    type: 'value'
                },
                series: [
                    {
                        data: [50, 80, 70, 20, 30, 10, 100],
                        type: 'bar',
                        showBackground: true
                    }
                ]
            };

            var chart = testHelper.create(echarts, 'main0', {
                title: [
                    'Basic valueFormatter of item tooltip'
                ],
                option: option
            });

            chart.dispatchAction({
                type: 'showTip',
                dataIndex: 2,
                seriesIndex: 0
            });
        });
        </script>

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

                option = {
                    animation: false,
                    tooltip: {
                        position: 'top',
                        tooltip: {
                            valueFormatter: 'placeholder'
                        },
                    },
                    xAxis: {
                        type: 'category',
                        data: ['A', 'B', 'C', 'D', 'E', 'F', 'G']
                    },
                    yAxis: [{
                        type: 'value'
                    }, {
                        type: 'value',
                        alignTicks: true
                    }],
                    series: [
                        {
                            data: [50, 80, 70, 20, 30, 10, 100],
                            tooltip: {
                                valueFormatter: (val) => '¥' + val
                            },
                            type: 'bar'
                        },
                        {
                            data: [10, 8, 12, 7, 12, 8, 5],
                            tooltip: {
                                valueFormatter: (val) => '$' + val
                            },
                            yAxisIndex: 1,
                            type: 'bar'
                        },
                    ]
                };

                var chart = testHelper.create(echarts, 'main1', {
                    title: [
                        'Different valueFormatter on series.'
                    ],
                    option: option
                });
            });
        </script>

        <script>
            require([
                'echarts',
				'data/large-data.json'
            ], function (echarts, packedData) {
                var option;

                function round2(val) {
                    return Math.round(val * 100) / 100;
                }

                function round3(val) {
                    return Math.round(val * 1000) / 1000;
                }

                function prepData(packed) {
                    console.time('prep');

                    // epoch,idl,recv,send,read,writ,used,free

                    var numFields = packed[0];
                    packed = packed.slice(numFields + 1);

                    var repeatTimes = 5;

                    var data = new Float64Array((packed.length / numFields) * 4 * repeatTimes);

                    var off = 0;
                    var date = packed[0];
                    for (let repeat = 0; repeat < repeatTimes; repeat++) {
                        for (let i = 0, j = 0; i < packed.length; i += numFields, j++) {
                            date += 1;
                            data[off++] = date * 60 * 1000;
                            data[off++] = round3(100 - packed[i + 1]);
                            data[off++] = round2(
                                (100 * packed[i + 5]) / (packed[i + 5] + packed[i + 6])
                            );
                            data[off++] = packed[i + 3];
                        }
                    }
                    console.timeEnd('prep');

                    return data;
                }


                option = {
                    animation: false,
                    dataset: {
                        source: prepData(packedData),
                        dimensions: ['date', 'cpu', 'ram', 'tcpout']
                    },
                    tooltip: {
                        trigger: 'axis'
                    },
                    legend: {},
                    grid: {
                        containLabel: true,
                        left: 0,
                        top: 50,
                        right: 0,
                        bottom: 30
                    },
                    xAxis: {
                        type: 'time'
                    },
                    yAxis: [{
                        type: 'value',
                        max: 100,
                        axisLabel: {
                            formatter: '{value} %'
                        }
                    }, {
                        type: 'value',
                        alignTicks: true,
                        axisLabel: {
                            formatter: '{value} MB'
                        }
                    }],
                    series: [{
                        name: 'CPU',
                        type: 'line',
                        showSymbol: false,
                        tooltip: {
                            valueFormatter: (value) => value + ' %'
                        },
                        lineStyle: { width: 1 },
                        emphasis: { lineStyle: { width: 1 } },
                        encode: {
                            x: 'date',
                            y: 'cpu'
                        }
                    }, {
                        name: 'RAM',
                        type: 'line',
                        yAxisIndex: 1,
                        tooltip: {
                            valueFormatter: (value) => value + ' MB'
                        },
                        showSymbol: false,
                        lineStyle: { width: 1 },
                        emphasis: { lineStyle: { width: 1 } },
                        encode: {
                            x: 'date',
                            y: 'ram'
                        }
                    }, {
                        name: 'TCP Out',
                        type: 'line',
                        yAxisIndex: 1,
                        showSymbol: false,
                        lineStyle: { width: 1 },
                        emphasis: { lineStyle: { width: 1 } },
                        encode: {
                            x: 'date',
                            y: 'tcpout'
                        }
                    }]
                };
                var chart = testHelper.create(echarts, 'main2', {
                    title: [
                        'Axis trigger'
                    ],
                    option: option
                });
            });
            </script>

            <script>
                require(['echarts'], function (echarts) {
                    var categories = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'];
                    var data = [50, 80, 70, 20, 30, 10, 100];
                    var testDataIndex = 4;
                    var option = {
                        animation: false,
                        tooltip: {
                            position: 'top',
                            valueFormatter: (value, dataIndex) => {
                                if (value === data[testDataIndex] && dataIndex !== testDataIndex) {
                                    return '❌ Error: dataIndex not matched, got ' + dataIndex + ', expected ' + testDataIndex;
                                }
                                return 'dataIndex: ' + dataIndex;
                            }
                        },
                        xAxis: {
                            type: 'category',
                            data: categories
                        },
                        yAxis: {
                            type: 'value'
                        },
                        dataZoom: [{
                            type: 'slider',
                            startValue: 2
                        }, {
                            type: 'inside',
                        }],
                        series: [
                            {
                                type: 'bar',
                                data: data
                            }
                        ]
                    };

                    var chart = testHelper.create(echarts, 'main3', {
                        title: [
                            'dataIndex in valueFormatter should be consistent when dataZoom is used'
                        ],
                        option: option
                    });

                    chart.dispatchAction({
                        type: 'showTip',
                        dataIndex: testDataIndex,
                        seriesIndex: 0
                    });
                });
            </script>

    </body>
</html>