ggfwjsc/src/view/echarts_hygiene/tnb.vue

<template>
  <div ref="chart" style="width: 100%; height: 210px"></div>
</template>

<script setup >
import {
  onMounted,
  reactive,
  ref,
  onBeforeMount,
  defineProps,
  watch,
} from "vue";
// 局部引入echarts核心模块
import * as echarts from "echarts";

const props = defineProps({
  list: {
    type: Array,
    default: () => [],
  },
  year: {
    type: Array,
    default: () => [],
  },
});
const data = reactive({
  list: [],
  year: [],
  option: {},
  bg: [],
});

const chart = ref(); // 创建DOM引用
const getOption = () => {
  data.option = {
    tooltip: {
      trigger: "axis",
      padding: [20, 10, 20, 10],
      formatter: "{b0}<br />{a1}:{c1} ",
    },
    grid: {
      top: "5%",
      left: "1%",
      right: "10%",
      bottom: "3%",
      containLabel: true,
    },

    xAxis: {
      type: "category",
      // boundaryGap: false,
      data: data.year,
      // splitArea: {
      //   show: true,
      //   interval: '10',
      //   areaStyle: {
      //     color: ["rgba(255, 255, 255, 0.10)"],
      //     width:10,
      //   },
      // },
      axisLabel: {
        //坐标轴刻度标签的相关设置
        textStyle: {
          color: "#ffffff",
          fontSize: 16,
        },
      },
    },
    yAxis: {
      type: "value",
      splitLine: {
        show: true,
        lineStyle: {
          color: "rgba(226, 226, 226, 0.3)",
          width: 1,
        },
      },
      axisLabel: {
        //坐标轴刻度标签的相关设置
        textStyle: {
          color: "#ffffff",
          fontSize: 16,
        },
      },
    },
    series: [
      {
        name: "背景",
        type: "bar",
        data: data.bg,
        showBackground: true,
        backgroundStyle: {
          color: "rgba(180, 180, 180, 0.2)",
        },
      },
      {
        name: "糖尿病人数",
        type: "line",
        stack: "Total",
        symbol: "emptyCircle",

        symbolSize: 10,
        itemStyle: {
          borderColor: "#E8FF00",
          borderWidth: 1,
          color: "#E8FF00",
        },
        label: {
          show: true,
          color: "#ffffff",
          position: "top",
          formatter: function (data) {
            return data.value;
          },
        },
        areaStyle: {
          color: "#F4F65B",
          normal: {
            //线性渐变，前4个参数分别是x0,y0,x2,y2(范围0~1);相当于图形包围盒中的百分比。如果最后一个参数是‘true’，则该四个值是绝对像素位置。
            color: new echarts.graphic.LinearGradient(
              0,
              0,
              0,
              1,
              [
                {
                  offset: 0,
                  // color: 'RGBA(184, 204, 241, 1)'
                  color: "rgba(255, 234, 90, 0.50)",
                },
                {
                  offset: 1,
                  color: "rgba(255, 234, 90, 0)",
                },
              ],
              false
            ),
            shadowBlur: 0, //shadowBlur设图形阴影的模糊大小。配合shadowColor,shadowOffsetX/Y, 设置图形的阴影效果。
          },
        },
        data: data.list,
      },
    ],
  };
};
watch(
  () => props.list,
  (newValue, oldValue) => {
    setTimeout(() => {
      data.list = props.list;
      data.year = props.year;
      data.year.forEach(() => {
        data.bg.push(0);
      });
      getOption();
      setChart();
    }, 600);
  }
);

const setChart = () => {
  // Vue3中： 需要引入
  var myChart = echarts.init(chart.value);

  // 使用刚指定的配置项和数据显示图表。
  myChart.setOption(data.option);
};

onBeforeMount(() => {
  setTimeout(() => {
    data.list = props.list;
    data.year = props.year;
    data.year.forEach(() => {
      data.bg.push(0);
    });
    getOption();
    setChart();
  }, 600);
});
</script>

<style scoped>
</style>