feat：对接接口、完善功能

src/hooks/echart.js

@@ -3,26 +3,27 @@ import * as echarts from 'echarts'
 import { guid } from '@/utils/util'
 
 export function useEchart() {
-  let chart = ref(null)
+  let chart = null
   let id = ref(guid())
   const initChart = () => {
     const dom = document.getElementById(id.value)
-    chart.value = echarts.init(dom)
+    chart = echarts.init(dom)
   }
   const setOption = (params) => {
-    chart.value.setOption(params)
+    chart.setOption(params)
+  }
+  const dispose = () => {
+    chart.dispose()
+    chart = null
   }
   const resize = () => {
-    if (chart) {
-      chart.dispose()
-      chart = null
-      initChart()
-    }
+    chart.resize()
   }
   onMounted(() => {
+    initChart()
     // 监听窗口大小变化
     window.addEventListener('resize', resize)
   })
 
-  return { id, chart, setOption, initChart }
+  return { id, chart, setOption, dispose, initChart }
 }