柱状图

描述:当前是关于Echarts图表中的 柱状图 示例。
 
            option = {
     backgroundColor:"#fff",
   grid: {
      containLabel: true,
      top: 50,
      right: 15,
      bottom: 10,
      left: 15
   },
   legend: {
      icon: 'rect',
      right: "center",
      itemWidth: 15,
      itemHeight: 10,
      textStyle: {
         color: '#555'
      },
   },
   tooltip: {
      trigger: "axis",
      axisPointer: {
         type: 'shadow'
      },
   },
   xAxis: {
      // 类目轴
      type: "category",
      data: ['缓行', '拥堵', '严重拥堵'],
      axisTick: {
         show: false //隐藏X轴刻度
      },
      axisLine: {
         lineStyle: {
            color: "#CCCCCC"
         }
      },
      axisLabel: {
         show: true,
         textStyle: {
            color: '#000',
            fontSize: 14,
            fontFamily: 'Source Han Sans CN-Regular',
         }
      },
   },
   yAxis: {
      type: 'value',
      name: "km",
      nameTextStyle: {
         color: 'rgba(0,0,0,0.65)',
         fontSize: 14,
         fontFamily: 'Source Han Sans CN-Regular',
         align: "left",
         verticalAlign: "center",
      },
      axisLabel: {
         color: 'rgba(0,0,0,0.65)',
         textStyle: {
            fontSize: 14
         },
      },
      axisLine: {
         show: false,
         lineStyle: {
            color: 'rgba(223, 223, 223, 1)',
         }
      },
      axisTick: {
         show: false
      },
      splitLine: {
         lineStyle: {
            color: 'rgba(223, 223, 223, 1)',
            type: "dashed",
         }
      }
   },
   series: [
      {
         type: "bar",
         name: "2024-03-14",
         barWidth: 30,
         showBackground: true,
         backgroundStyle: {
            color: "transparent"
         },
         itemStyle: {
            color: '#febc5d'
         },
         data: [
            {
               value: 5,
               itemStyle: {
                  color: '#febc5d'
               }
            },
            {
               value: 20,
               itemStyle: {
                  color: '#ff7659'
               }
            },
            {
               value: 36,
               itemStyle: {
                  color: '#d11b1b'
               }
            }
         ]
      }
   ]
}