Echarts在线免费图表

 
            const value = -0.25
option = {
    title: [{
      text: value * 100 + '%',
      left: '44%',
      top: '44%',
      textStyle: {
        fontSize: 36,
        fontWeight: '600',
        color: '#333',
        textAlign: 'center'
      }
    }],
    series: [
      { // 内层圆
        type: 'pie',
        radius: ['50%', '43%'],
        center: ['50%', '50%'],
        min: 0,
        max: 1,
        data: [{
          value: Math.floor((Math.abs(value) * 100)),
          itemStyle: {
            color: '#d0021b'
          },
          label: {
            show: false
          },
          labelLine: {
            normal: {
              smooth: true,
              lineStyle: {
                width: 0
              }
            }
          },
          hoverAnimation: false
        },
        {
          label: {
            show: false
          },
          labelLine: {
            normal: {
              smooth: true,
              lineStyle: {
                width: 0
              }
            }
          },
          value: 100 - Math.floor((Math.abs(value) * 100)),
          hoverAnimation: false,
          itemStyle: {
            color: '#e6e6e6',
            emphasis: { // 鼠标移入不高亮
              color: '#e6e6e6'
            }
          }
        }
        ]
      },
      { // 外层灰色
        type: 'pie',
        radius: ['80%', '72%'],
        center: ['50%', '50%'],
        data: [{
          label: {
            show: false
          },
          labelLine: {
            normal: {
              smooth: true,
              lineStyle: {
                width: 0
              }
            }
          },
          value: 0,
          hoverAnimation: false,
          itemStyle: {
            color: '#e6e6e6',
            emphasis: { // 鼠标移入不高亮
              color: '#e6e6e6'
            }
          }
        }]
      }
    ]
  }
if (value < 0) {
    option.series[0].data[0].itemStyle = {
      borderColor: '#d0021b',
      color: '#fff'
    }
  } else {
    option.series[0].data[0].itemStyle = {
      color: '#d0021b'
    }
  }