Echarts 折线图效果 区域颜色渐变

echarts yekong 210℃

Echarts 折线图效果 区域颜色渐变

运行实例

代码

<template>
  <div class="echarts1" ref="echarts">

  </div>
</template>

<script>

export default {
  name: 'echarts1',
  components: {},
  props: {
    id: {
      type: String,
      default() {
        return ''
      }
    }
  },
  data() {
    return {
      status: ''
    }
  },
  watch: {},
  mounted() {
    this.drawLine()
  },
  methods: {
    drawLine() {
      var that = this;
      window.addEventListener('resize', this.drawLine)
      let myChart = this.$echarts.init(that.$refs.echarts)
      let color = [
        "#109ce5",
      ];
      let xAxisData = ["1", "2", "3", "4", "5", "6", "7", "8"];
      let yAxisData1 = [100, 138, 350, 173, 180, 150, 180, 230];
      const hexToRgba = (hex, opacity) => {
        let rgbaColor = "";
        let reg = /^#[\da-f]{6}$/i;
        if (reg.test(hex)) {
          rgbaColor = `rgba(${parseInt("0x" + hex.slice(1, 3))},${parseInt(
            "0x" + hex.slice(3, 5)
          )},${parseInt("0x" + hex.slice(5, 7))},${opacity})`;
        }
        return rgbaColor;
      }
      var option = {
        color: color,
        tooltip: {
          trigger: "axis",
          formatter: function (params) {
            let html = '';
            params.forEach(v => {
              html += `<div style="color: #666;font-size: 14px;line-height: 24px">
                <span style="display:inline-block;margin-right:5px;border-radius:10px;width:10px;height:10px;background-color:${color[v.componentIndex]};"></span>
                ${v.seriesName}2020.${v.name}
                <span style="color:${color[v.componentIndex]};font-weight:700;font-size: 18px;margin-left:5px">${v.value}</span>
                万元`;
            })
            return html
          },
          extraCssText: 'background: #fff; border-radius: 0;box-shadow: 0 0 3px rgba(0, 0, 0, 0.2);color: #333;',
          axisPointer: {
            type: 'shadow',
            shadowStyle: {
              color: '#103a67',
              shadowColor: '#103a67',
              shadowBlur: 5
            }
          }
        },
        grid: {
          top: 80,
          left: 0,
          right: 0,
          bottom: 30,
          containLabel: true
        },
        xAxis: [{
          type: "category",
          boundaryGap: false,
          axisLabel: {
            formatter: '2020-{value}',
            textStyle: {
              color: "rgba(187, 209, 238, 1)"
            }
          },
          axisLine: {
            lineStyle: {
              color: "#2d5690"
            }
          },
          data: xAxisData,
        }],
        yAxis: [{
          type: "value",
          axisLabel: {
            textStyle: {
              color: "rgba(187, 209, 238, 1)"
            }
          },
          // 分割线
          splitLine: {
            show: false,
            lineStyle: {
              type: "dashed",
              color: "#E9E9E9"
            }
          },
          axisLine: {
            lineStyle: {
              color: "#2d5690"
            }
          },
          axisTick: {
            show: false
          }
        }],
        series: [{
          type: "line",
          smooth: true,
          symbolSize: 8,
          zlevel: 3,
          lineStyle: {
            normal: {
              color: color[0],
              shadowBlur: 3,
              shadowColor: hexToRgba(color[0], 0.5),
              shadowOffsetY: 8
            }
          },
          symbol: 'circle',//数据交叉点样式
          areaStyle: {
            normal: {
              color: new this.$echarts.graphic.LinearGradient(
                0,
                0,
                0,
                1,
                [{
                  offset: 0,
                  color: hexToRgba(color[0], 0.3)
                },
                  {
                    offset: 1,
                    color: hexToRgba(color[0], 0.1)
                  }
                ],
                false
              ),
              shadowColor: hexToRgba(color[0], 0.1),
              shadowBlur: 10
            }
          },
          data: yAxisData1
        }]
      };
      myChart.clear()
      myChart.resize()
      myChart.setOption(option)
    },
  }
}
</script>

<style lang="scss" scoped>
.echarts1 {
  position: relative;
  width: 100%;
  height: calc(100% - 50px);
}
</style>

喜欢 (0)