test/axis.html

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<html>
    <head>
        <meta charset="utf-8">
        <script src="lib/simpleRequire.js"></script>
        <script src="lib/config.js"></script>
        <meta name="viewport" content="width=device-width, initial-scale=1" />
    </head>
    <body>
        <style>
            html, body, #main {
                width: 100%;
                height: 100%;
            }
        </style>
        <div id="main"></div>
        <script>

            require(['echarts'], function (echarts) {
                var graphic = echarts.graphic;

                var chart = echarts.init(document.getElementById('main'), null, {

                });

                var xAxisData = [];
                var data1 = [];
                var data2 = [];
                var data3 = [];

                for (var i = 0; i < 5; i++) {
                    xAxisData.push('类目' + i);
                    data1.push((-Math.random() - 0.2).toFixed(3));
                    data2.push((Math.random() + 0.3).toFixed(3));
                    data3.push((Math.random() + 0.2).toFixed(3));
                }

                xAxisData.push({
                    value: '类目' + i,
                    textStyle: {
                        color: 'red'
                    }
                });
                data1.push('-');
                data2.push('-');
                data3.push('-');

                for (; i < 10; i++) {
                    xAxisData.push('类目' + i);
                    data1.push((-Math.random() - 0.2).toFixed(3));
                    data2.push((Math.random() + 0.3).toFixed(3));
                    data3.push((Math.random() + 0.2).toFixed(3));
                }

                var itemStyle = {
                    normal: {
                        // borderColor: 'white',
                        // borderWidth: 3,
                        // shadowBlur: 10,
                        // shadowOffsetX: 0,
                        // shadowOffsetY: 5,
                        // shadowColor: 'rgba(0, 0, 0, 0.4)',
                        lineStyle: {
                            width: 2
                            // shadowBlur: 10,
                            // shadowOffsetX: 0,
                            // shadowOffsetY: 5,
                            // shadowColor: 'rgba(0, 0, 0, 0.4)'
                        },
                        areaStyle: {
                        }
                    }
                };

                chart.setOption({
                    legend: {
                        data: ['line', 'line2', 'line3']
                    },
                    tooltip: {
                        trigger: 'axis',
                        axisPointer: {
                            type: 'line'
                        }
                    },
                    xAxis: {
                        // data: ['类目1', '类目2', '类目3', '类目4', '类目5',]
                        data: xAxisData,
                        boundaryGap: false,
                        // inverse: true,
                        splitArea: {
                            show: true
                        }
                    },
                    yAxis: {
                        boundaryGap: [0, 0],
                        splitLine: {
                            show: false
                        }
                    },
                    series: [{
                        name: 'line',
                        type: 'line',
                        stack: 'all',
                        symbolSize: 10,
                        data: data1,
                        itemStyle: itemStyle,
                        smooth: true
                    }, {
                        name: 'line2',
                        type: 'line',
                        stack: 'all',
                        symbolSize: 10,
                        data: data2,
                        itemStyle: itemStyle,
                        smooth: true
                    }, {
                        name: 'line3',
                        type: 'line',
                        stack: 'all',
                        symbolSize: 10,
                        data: data3,
                        itemStyle: itemStyle,
                        areaStyle: {
                            normal: {
                                color: new graphic.LinearGradient(0, 0, 0, 1, [{
                                    offset: 0,
                                    color: 'red'
                                }, {
                                    offset: 1,
                                    color: 'black'
                                }])
                            }
                        },
                        smooth: true
                    }]
                });
            });

        </script>
    </body>
</html>