ggfwjsc/src/view/echarts_yl/eP3.vue

<template>
  <div ref="chart" style="width: 100%; height: 285px"></div>
</template>

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

const chart = ref(); // 创建DOM引用

const props = defineProps({
  list1: {
    type: Array,
    default: () => {
      return [];
    },
  },
  list2: {
    type: Array,
    default: () => {
      return [];
    },
  },
  year: {
    type: Array,
    default: () => {
      return [];
    },
  },
});

const data = reactive({
  list1: [],
  list2: [],
  year: [],
  option: {},
  bg: [],
});

const getOption = () => {
  data.option = {
    tooltip: {
      trigger: "axis",
      padding: [20, 10, 20, 10],
      formatter: "{b0}<br />{a1}:{c1} <br />{a2}:{c2} ",
    },
    legend: {
      data: ["特困发放人次", "低保发放人次"],
      top: "5%",
      right: "28%",
      textStyle: {
        fontSize: 16,
        color: "#ffffff",
      },
    },
    grid: {
      top: "25%",
      left: "1%",
      right: "10%",
      bottom: "3%",
      containLabel: true,
    },

    xAxis: {
      type: "category",
      // boundaryGap: false,
      data: data.year,
      axisLabel: {
        //坐标轴刻度标签的相关设置
        textStyle: {
          color: "#ffffff",
          fontSize: 16,
        },
      },
    },
    yAxis: [
      {
        name: "特困发放人次",
        type: "value",
        min: 0, // 设置Y轴最小值
        max: function (value) {
          // 自定义Y轴最大值，确保数据点显示在顶部
          return Math.ceil(Math.max(value.max, value.max * 2) / 50) * 50;
        },
        nameTextStyle: {
          // 设置Y轴名称的样式
          fontSize: 14, // 这里设置字体大小为20
        },
        splitLine: {
          show: true,
          lineStyle: {
            color: "rgba(255, 255, 255, 0.2)",
            fontSize: 16,
            width: 1,
          },
        },
        axisLabel: {
          //坐标轴刻度标签的相关设置
          textStyle: {
            color: "#ffffff",
            fontSize: 16,
          },
        },
        axisLine: {
          //y轴线的颜色以及宽度
          show: false,
          lineStyle: {
            color: "#ffffff",
            fontSize: 16,
            width: 1,
            type: "solid",
          },
        },
      },
      {
        name: "低保发放人次",
        type: "value",
        min: 0, // 设置Y轴最小值
        max: function (value) {
          // 自定义Y轴最大值，确保数据点显示在顶部
          return Math.ceil(Math.max(value.max, value.max * 1.3) / 50) * 50;
        },
        nameTextStyle: {
          // 设置Y轴名称的样式
          fontSize: 14, // 这里设置字体大小为20
        },
        splitLine: {
          show: false,
          lineStyle: {
            color: "rgba(255, 255, 255, 0.2)",
            fontSize: 16,
            width: 1,
          },
        },
        axisLabel: {
          //坐标轴刻度标签的相关设置
          textStyle: {
            color: "#ffffff",
            fontSize: 16,
          },
        },
        axisLine: {
          //y轴线的颜色以及宽度
          show: false,
          lineStyle: {
            color: "#ffffff",
            fontSize: 16,
            width: 1,
            type: "solid",
          },
        },
      },
    ],
    series: [
      {
        name: "背景",
        type: "bar",
        data: data.bg,
        showBackground: true,
        backgroundStyle: {
          color: "rgba(180, 180, 180, 0.2)",
        },
      },
      {
        yAxisIndex: 0,
        name: "特困发放人次",
        type: "line",
        symbol: "emptyCircle",

        symbolSize: 10,
        itemStyle: {
          borderColor: "#00FCFF",
          borderWidth: 1,
          color: "#00FCFF",
        },
        label: {
          show: true,
          color: "#ffffff",
          formatter: function (data) {
            return data.value;
          },
        },
        data: data.list1,
      },
      {
        yAxisIndex: 1,
        name: "低保发放人次",
        type: "line",
        symbol: "emptyCircle",

        symbolSize: 10,
        itemStyle: {
          borderColor: "#2468FF",
          borderWidth: 1,
          color: "#2468FF",
        },
        label: {
          show: true,
          color: "#ffffff",
          formatter: function (data) {
            return data.value;
          },
        },
        data: data.list2,
      },
    ],
  };
};
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);
};

// 使用生命钩子
onBeforeMount(() => {
  setTimeout(() => {
    data.list1 = props.list1;
    data.list2 = props.list2;
    data.year = props.year;
    data.year.forEach(() => {
      data.bg.push(0);
    });
    getOption();
    setChart();
  }, 600);
});
</script>

<style scoped>
</style>