Echarts实战案例代码(37)：markLine实现Y轴阈值点设置

markLine: {
                silent: true,
                symbol: 'none',//数据标识
                data: [
                    {
                        yAxis: 15,
                        symbol: 'circle',//当前标识
                        lineStyle: {
                            color: '#3EC6F0',
                            width: 0
                        }
                    }, {
                        yAxis: 22.5,
                        symbol: 'circle',//当前标识
                        lineStyle: {
                            color: '#7CB854',
                            width: 0
                        }
                    }, {
                        yAxis: 30,
                        symbol: 'circle',//当前标识
                        lineStyle: {
                            color: '#DB2F2C',
                            width: 0
                        }
                    }
                ]