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  • echarts 添加标线,设置颜色

            <script src="assets/js/jquery-1.8.3.min.js"></script>
            
            <!--echart图表引入js-->
            <script type="text/javascript" src="js/echarts.common.min.js"></script>
    
    <div id="main1" style="45%;height:400px;margin-top: 40px;float: left;"></div>
                            <div id="main2" style="53%;height:400px;margin-top: 40px;float: right;"></div>
    
    <script>
    //<!--运营能耗分类预警-->
    
        var myChart1 = echarts.init(document.getElementById('main1'));
        var data1=['10.2','8.6','9.3','7.5']; //预警值 数组
        var seriesData = [12, 7.8, 14.2, 6.2];  //总能耗数值数组
        option1 = {
            title: {
                text: '分车型能耗预警'
            },
            color: ['#e7505a'],
            tooltip: {
                trigger: 'axis',
                axisPointer: { // 坐标轴指示器,坐标轴触发有效
                    type: 'shadow' // 默认为直线,可选为:'line' | 'shadow'
                }
            },
            grid: {
                right: '4%',
                bottom: '3%',
                containLabel: true
            },
            xAxis: [{
                type: 'category',
                data: ['伊兰特汽油', '伊兰特CNG', 'B50汽油', '凯美瑞混合动力'],
                axisTick: {
                    alignWithLabel: true
                }
            }],
            yAxis: [{
                type: 'value',
                name: '百公里能耗L/100KM',
                min: 0,
                max: 15,
                interval: 3,
                axisLabel: {
                    formatter: '{value}'
                }
            }],
            series: [{
                name: '',
                type: 'bar',
                barWidth: '45%',
                data:seriesData,
                markLine: {
    
                    itemStyle: {
                        normal: {
                            borderWidth: 1,
    
                            lineStyle: {
    
                                type: 'dash',
                                color: '#333 ',
                                 2,
                            },
    
                            label: {
                                formatter: '',
                                textStyle: {
                                    fontSize: 16,
                                    fontWeight: "bolder",
                                },
                            }
                        },
    
                    },
                    data: [
                        [{
                            coord: ['伊兰特汽油', 0]
                        }, {
                            coord: ['伊兰特汽油', 10.2]
                        }],
                        [{
                            coord: ['伊兰特CNG', 0]
                        }, {
                            coord: ['伊兰特CNG', 8.6]
                        }],
                        [{
                            coord: ['B50汽油', 0]
                        }, {
                            coord: ['B50汽油', 9.3]
                        }],
                        [{
                            coord: ['凯美瑞混合动力', 0]
                        }, {
                            coord: ['凯美瑞混合动力', 7.5]             //平行于Y轴的 虚线
                        }]
                    ],
    
                },
            },
              {
            name: '预警值',
            type: 'line',
            color:'#333',
    symbol:'triangle', //起点标记图形 (三角形),详细请见 http://echarts.baidu.com/option.html#series-line.markLine.data.0.symbol itemStyle: { normal: { borderWidth:
    1, lineStyle: { type: 'dash', color: 'transparent ', 2, }, label: { formatter: '', textStyle: { color:'#333', fontSize: 16, fontWeight: "bolder", }, } }, }, data: data1.map(function (val) { return val ; }), label: { normal: { show: true, formatter: function (params) { return params.value ; //预警值 对应显示 data1 预警值 } } } } ], }; //判断数值动态设置颜色 $(document).ready(function(params){ for(var i = 0 ; i < seriesData.length ; i++){ if(seriesData[i].value){ seriesData[i] = seriesData[i].value; } if(seriesData[0]>10.2){ seriesData[0] = { value : seriesData[0], itemStyle:{ normal:{ color : '#c23531' } } } }else if(seriesData[0]<=10.2){ seriesData[0] = { value : seriesData[0], itemStyle:{ normal:{ color : '#c5bf66' } } } }if(seriesData[1]>8.6){ seriesData[1] = { value : seriesData[1], itemStyle:{ normal:{ color : '#c23531' } } } }else if(seriesData[1]<=8.6){ seriesData[1] = { value : seriesData[1], itemStyle:{ normal:{ color : '#c5bf66' } } } }if(seriesData[2]>9.3){ seriesData[2] = { value : seriesData[2], itemStyle:{ normal:{ color : '#c23531' } } } }else if(seriesData[2]<=9.3){ seriesData[2] = { value : seriesData[2], itemStyle:{ normal:{ color : '#c5bf66' } } } }if(seriesData[3]>7.5){ seriesData[3] = { value : seriesData[3], itemStyle:{ normal:{ color : '#c23531' } } } }else if(seriesData[3]<=7.5){ seriesData[3] = { value : seriesData[3], itemStyle:{ normal:{ color : '#c5bf66' } } } } } // console.log(seriesData); // option1.series[0].data=seriesData myChart1.setOption(option1,true); }) myChart1.setOption(option1); var myChart2 = echarts.init(document.getElementById('main2')); option2 = { title: { text: '分车龄能耗预警' }, color: ['#F8CB00'], tooltip: { trigger: 'axis', axisPointer: { // 坐标轴指示器,坐标轴触发有效 type: 'shadow' // 默认为直线,可选为:'line' | 'shadow' } }, grid: { right: '4%', bottom: '3%', containLabel: true }, xAxis: [{ type: 'category', data: ['1年', '2年', '3年', '4年', '5年', '6年', '7年', '8年'], axisTick: { alignWithLabel: true } }], yAxis: [{ type: 'value', name: '百公里能耗L/100KM', min: 0, max: 15, interval: 3, axisLabel: { formatter: '{value}' } }], series: [{ name: '', type: 'bar', barWidth: '65%', data: [8.1, 13.3, 1.5, 14.6, 10.8, 9.0, 9.2, 9.3], markLine: { //开始标预警线 itemStyle: { normal: { borderWidth: 1, lineStyle: { type: 'dash', color: '#333 ', 2, }, label: { formatter: '12.6', textStyle: { fontSize: 16, fontWeight: "bolder", }, } }, }, data: [ [{ coord: ['1年', 12.6] }, { coord: ['8年', 12.6] }] ], }, itemStyle: { normal: { color: function(params) { //根据预警线的值 显示对应的颜色 // build a color map as your need. var colorList = ['#c23531', '#c5bf66 ']; if(params.data > 12.6) { return colorList[0]; } else if(params.data < 12.6) { return colorList[1]; } } }, } }], }; myChart2.setOption(option2); </script>

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  • 原文地址:https://www.cnblogs.com/dazhangli/p/7093440.html
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