test/candlestick-cursor.html - master - githubmirror/echarts

test/candlestick-cursor.html
299 строк11 KB
100pah
feature: dataZoom 'inside' supports to set cursorGrab and cursorGrabbing.
10 апр 2026, 21:09
10 апр 2026, 21:09db24e13
<!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/testHelper.js"></script>
        <link rel="stylesheet" href="lib/reset.css" />
    </head>
    <body>
        <style>
            .chart {
                width: 100%;
                height: 320px;
            }

            .cursor-log {
                position: absolute;
                top: 10px;
                left: 10px;
                color: #000;
            }
        </style>

        <div id="main0" class="chart"></div>
        <div id="main1" class="chart"></div>

        <script>
            require(['echarts', 'data/security-sh-2013.json.js'], function (echarts, rawData) {
                function makeData(count) {
                    var data = [];
                    var base = 120;

                    for (var i = 0; i < count; i++) {
                        var open = base + (i % 7 - 3);
                        var close = open + (i % 5 - 2);
                        var low = Math.min(open, close) - 3;
                        var high = Math.max(open, close) + 3;

                        data.push([open, close, low, high]);
                        base += i % 2 ? 1 : -1;
                    }

                    return data;
                }

                function splitData(source) {
                    var categoryData = [];
                    var values = [];

                    for (var i = 0; i < source.length; i++) {
                        categoryData.push(source[i][0]);
                        values.push(source[i].slice(1));
                    }

                    return {
                        categoryData: categoryData,
                        values: values
                    };
                }

                function calculateMA(dayCount, data) {
                    var result = [];

                    for (var i = 0; i < data.values.length; i++) {
                        if (i < dayCount) {
                            result.push('-');
                            continue;
                        }

                        var sum = 0;
                        for (var j = 0; j < dayCount; j++) {
                            sum += data.values[i - j][1];
                        }
                        result.push(sum / dayCount);
                    }

                    return result;
                }

                function installCursorLog(chart, label) {
                    var tipDOM = document.createElement('span');
                    tipDOM.className = 'cursor-log';
                    chart.getDom().appendChild(tipDOM);

                    chart.getDom().addEventListener('mousemove', function () {
                        var cursor = chart.getZr().painter.getViewportRoot().style.cursor || 'default';
                        tipDOM.innerText = label + ' cursor: ' + cursor;
                    });
                }

                var upColor = '#ec0000';
                var upBorderColor = '#8A0000';
                var downColor = '#00da3c';
                var downBorderColor = '#008F28';
                var shData = splitData(rawData);

                var normalChart = testHelper.create(echarts, 'main0', {
                    title: [
                        'Hover candlestick items: cursor should be **move** in normal mode.',
                        'This chart is similar to the official `candlestick-sh` example and uses `large: false`.'
                    ],
                    option: {
                        title: {
                            text: '上证指数',
                            left: 0
                        },
                        animation: false,
                        legend: {
                            data: ['日K', 'MA5', 'MA10', 'MA20', 'MA30']
                        },
                        tooltip: {
                            trigger: 'axis',
                            axisPointer: {
                                type: 'cross'
                            }
                        },
                        grid: {
                            left: '10%',
                            right: '10%',
                            bottom: '15%'
                        },
                        xAxis: {
                            type: 'category',
                            data: shData.categoryData,
                            scale: true,
                            boundaryGap: false,
                            axisLine: {
                                onZero: false
                            },
                            splitLine: {
                                show: false
                            },
                            splitNumber: 20,
                            min: 'dataMin',
                            max: 'dataMax'
                        },
                        yAxis: {
                            scale: true,
                            splitArea: {
                                show: true
                            }
                        },
                        dataZoom: [
                            {
                                id: 'inside1',
                                type: 'inside',
                                start: 50,
                                end: 100
                            },
                            {
                                show: true,
                                type: 'slider',
                                top: '90%',
                                start: 50,
                                end: 100
                            }
                        ],
                        series: [
                            {
                                name: '日K',
                                type: 'candlestick',
                                large: false,
                                cursor: 'crosshair',
                                data: shData.values,
                                itemStyle: {
                                    color: upColor,
                                    color0: downColor,
                                    borderColor: upBorderColor,
                                    borderColor0: downBorderColor
                                }
                            },
                            {
                                name: 'MA5',
                                type: 'line',
                                data: calculateMA(5, shData),
                                smooth: true,
                                showSymbol: false,
                                lineStyle: {
                                    width: 1
                                }
                            },
                            {
                                name: 'MA10',
                                type: 'line',
                                data: calculateMA(10, shData),
                                smooth: true,
                                showSymbol: false,
                                lineStyle: {
                                    width: 1
                                }
                            },
                            {
                                name: 'MA20',
                                type: 'line',
                                data: calculateMA(20, shData),
                                smooth: true,
                                showSymbol: false,
                                lineStyle: {
                                    width: 1
                                }
                            },
                            {
                                name: 'MA30',
                                type: 'line',
                                data: calculateMA(30, shData),
                                smooth: true,
                                showSymbol: false,
                                lineStyle: {
                                    width: 1
                                }
                            }
                        ]
                    },
                    inputsStyle: 'compact',
                    inputs: [{
                        type: 'select',
                        text: 'insideZoom.cursorGrab:',
                        values: [undefined, 'crosshair'],
                        onchange() {
                            normalChart.setOption({
                                dataZoom: {
                                    id: 'inside1',
                                    cursorGrab: this.value
                                },
                            });
                        }
                    }, {
                        type: 'select',
                        text: 'insideZoom.cursorGrabbing:',
                        values: [undefined, 'crosshair'],
                        onchange() {
                            normalChart.setOption({
                                dataZoom: {
                                    id: 'inside1',
                                    cursorGrabbing: this.value
                                },
                            });
                        }
                    }]
                });
                installCursorLog(normalChart, 'normal');

                var categoryDataLarge = [];
                for (var j = 0; j < 800; j++) {
                    categoryDataLarge.push('large-' + j);
                }

                var largeChart = testHelper.create(echarts, 'main1', {
                    title: [
                        'Hover candlestick items: cursor should be **move** in large mode.',
                        'This chart uses more than the default `largeThreshold`.'
                    ],
                    option: {
                        animation: false,
                        xAxis: {
                            type: 'category',
                            data: categoryDataLarge
                        },
                        yAxis: {
                            scale: true
                        },
                        dataZoom: [{
                            type: 'inside',
                            start: 0,
                            end: 20
                        }],
                        series: [{
                            type: 'candlestick',
                            cursor: 'move',
                            data: makeData(categoryDataLarge.length)
                        }]
                    }
                });
                installCursorLog(largeChart, 'large');
            });
        </script>
    </body>
</html>