Echarts图表之带提示框的柱形图(三)_echarts柱状图提示-优快云博客

本文链接：https://blog.youkuaiyun.com/gly_technology/article/details/122573215

本文介绍如何使用ECharts创建一个具有定制样式和交互功能的柱状图。该图表对比了两种方案的数据，并通过轴线样式、图例、提示框等功能增强了可视化效果。

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<!DOCTYPE html>
<html>
   <head>
       <meta charset="utf-8" />
       <title>Echarts图表</title>
       
       <script src="https://cdn.staticfile.org/echarts/4.3.0/echarts.min.js"></script>
   </head>
   <body>
       <div id="main" style="width: 600px;height:400px;"></div>
       <script type="text/javascript">
           var myChart = echarts.init(document.getElementById('main'));
           var option = {
               color: ['#446acf', '#4fb59d'],
               backgroundColor: '#061436',
               // 图例
               legend: {
                   top: 10,
                   textStyle: {
                       fontSize: 10,
                       color: 'rgba(255,255,255,.7)'
                   },
                   data: ['原方案', '建议方案']
               },
               // 表格位置
               grid: {
                   left: 10,
                   right: 10,
                   top: 40,
                   bottom: 10,
                   containLabel: true
               },
               // 提示框
               tooltip: {
                   trigger: 'axis',
                   axisPointer: {
                       type: 'shadow',
                   },
                   showContent: true,
                   formatter: function(params) {
                       var res = '<div><p>' + params[0].name + '</p></div>'
                       for (var i = 0; i < params.length; i++) {
                           res += '<p>' + params[i].marker + params[i].seriesName + ':' + params[i].value + '</p>'
                       }
                       return res;
                   }
               },
               xAxis: [{
                   type: 'category',
                   axisLine: {
                       lineStyle: {
                           // 类型：虚线
                           type: 'dashed',
                           color: 'rgba(255,255,255,.01)'
                       }
                   },
                   splitLine: {
                       lineStyle: {
                           color: 'rgba(255,255,255,.01)'
                       }
                   },
                   axisLabel: {
                       color: "rgba(255,255,255,1)"
                   },
                   data: ['字段1', '字段2', '字段3', '字段4', '字段5', '字段6']
               }],
               yAxis: [{
                   type: 'value',
                   name: '',
                   min: 0,
                   max: 10,
                   interval: 2,
                   axisLine: {
                       lineStyle: {
                           color: 'rgba(255,255,255,.01)'
                       }
                   },
                   splitLine: {
                       lineStyle: {
                           type: 'dashed',
                           color: 'rgba(255,255,255,.1)'
                       }
                   },
                   axisLabel: {
                       color: "rgba(255,255,255,1)"
                   }
               }],
               series: [{
                       name: '原方案',
                       // 类型：柱形图
                       type: 'bar',
                       // 柱子的宽度
                       barWidth: 20,
                       data: [3, 6, 4, 9, 3, 5],
                       itemStyle: {
                           emphasis: {
                               barBorderRadius: 30
                           },
                           normal: {
                               barBorderRadius: [10, 10, 10, 10]
                           }
                       }
                   },
                   {
                       name: '建议方案',
                       type: 'bar',
                       barWidth: 20,
                       data: [6, 2, 5, 2, 4, 6],
                       itemStyle: {
                           emphasis: {
                               barBorderRadius: 30
                           },
                           normal: {
                               barBorderRadius: [10, 10, 10, 10]
                           }
                       }
                   }
               ]
           };
           myChart.setOption(option);
       </script>
   </body>
</html>