<template>
  <div ref="echart" :style="{ height: height, width: width }"></div>
</template>

<script setup>
import * as echarts from "echarts";
import useResize from "@/hooks/useResize"; // hook 代碼見下方

const { proxy } = getCurrentInstance(); // 獲取實(shí)例中的proxy

let echart;
let echartInstance;

const props = defineProps({
  // 數(shù)據(jù)
  data: {
    type: Array,
    default: [
      { value: 40, name: "rose 1" },
      { value: 38, name: "rose 2" },
      { value: 32, name: "rose 3" },
    ],
  },
  // 高度
  height: {
    type: [Number, String],
    default: "300px",
  },
  // 寬度
  width: {
    type: [Number, String],
    default: "100%",
  },
});

const { data } = toRefs(props);

const data1 = reactive({
  option: {
    legend: {
      top: "bottom",
    },
    toolbox: {
      show: false,
      feature: {
        mark: { show: true },
        dataView: { show: true, readOnly: false },
        restore: { show: true },
        saveAsImage: { show: true },
      },
    },
    tooltip: {
      trigger: "item",
      formatter: " : {c} (ublnpf9mb%)",
    },
    series: [
      {
        name: "Nightingale Chart",
        type: "pie",
        radius: [10, 120],
        center: ["50%", "45%"],
        roseType: "area",
        itemStyle: {
          borderRadius: 8,
        },
        data: data.value,
      },
    ],
  },
});

const { option } = toRefs(data1);

// 觀察 data ，重新繪制
watch(
  data,
  (newValue) => {
    option.value.series[0].data = newValue;
  },
  { deep: true }
);
watch(
  option,
  (newValue) => {
    echartInstance.setOption(newValue, true);
  },
  { deep: true }
);

onMounted(() => {
  echart = proxy.$refs.echart; // 獲取的DOM根節(jié)點(diǎn)
  echartInstance = echarts.init(echart, "macarons"); // 初始化 echart
  echartInstance.setOption(option.value, true); // 繪制
  // notMerge 可選。是否不跟之前設(shè)置的 option 進(jìn)行合并。默認(rèn)為 false。即表示合并。合并的規(guī)則，詳見 組件合并模式。如果為 true，表示所有組件都會(huì)被刪除，然后根據(jù)新 option 創(chuàng)建所有新組件。
  // setOption 見 https://echarts.apache.org/zh/api.html#echartsInstance.setOption
});

function resize() {
  echartInstance.resize();
}

// 暴露函數(shù) （供hook調(diào)用）
defineExpose({
  resize,
});

useResize();
</script>

export default function () {
    let proxy

    onMounted(() => {
        proxy = getCurrentInstance(); // 獲取實(shí)例中的proxy
        window.addEventListener('resize', resize)
    })

    onBeforeUnmount(() => {
        window.removeEventListener('resize', resize)
    })

    function resize() {
        proxy.exposed.resize()
    }
}

<!-- 創(chuàng)建一個(gè)div去顯示echarts -->
<div ref="main" style="height: 300px"></div>

import {ref, provide, inject, onMounted, reactive} from "vue";
import * as echarts from "echarts";
const main = ref() // 使用ref創(chuàng)建虛擬DOM引用，使用時(shí)用main.value
onMounted(
    () => {
        init()
    }
)
function init() {
    // 基于準(zhǔn)備好的dom，初始化echarts實(shí)例
    var myChart = echarts.init(main.value);
    // 指定圖表的配置項(xiàng)和數(shù)據(jù)
    var option = {
        /*title: {
            text: 'ECharts 入門示例'
        },*/
        tooltip: {},
        // color:['#779ffe','#a07dfe','#fc9b2e','#63f949','#fb6464','#fce481'],
        /*grid: {
            left: '30%',
            right: '4%',
            bottom: '3%',
            containLabel: true
        },*/
        legend: {
            // data: ['國(guó)家類型','非國(guó)家類型','個(gè)人','法人','可公式','非公式']
        },
        xAxis: {
            type: 'category',
            data: ['國(guó)家類型','非國(guó)家類型','個(gè)人','法人','可公式','非公式']
        },
        yAxis: {
            type: 'value',
            scale: true,
            max: 150,
            min: 0,
            splitNumber: 3,
        },
        series: [
            {
                data: [
                    {
                        value: 120,
                        itemStyle: {
                            color: '#7fa6fe'
                        }
                    },
                    {
                        value: 90,
                        itemStyle: {
                            color: '#a17fff'
                        }
                    },
                    {
                        value: 40,
                        itemStyle: {
                            color: '#fda630'
                        }
                    },
                    {
                        value: 120,
                        itemStyle: {
                            color: '#93fc73'
                        }
                    },
                    {
                        value: 120,
                        itemStyle: {
                            color: '#fb6666'
                        }
                    },
                    {
                        value: 120,
                        itemStyle: {
                            color: '#fbe068'
                        }
                    }
                ],
                type: 'bar'
            }
        ]
    };
    // 使用剛指定的配置項(xiàng)和數(shù)據(jù)顯示圖表。
    myChart.setOption(option);
}