解决导出不全等问题

src/views/water/lake/statistic/special/component/comparison.vue

@@ -6,7 +6,6 @@
     <search :searchForm="searchForm" :filterKeys="filterKeys" @search="searchData" @exportFile="exportFile" @filterColumns="changeFilter" :visiable="visiable"/>
       <!-- 表格 -->
       <ele-pro-table
-        v-model:selection="selectionList"
         ref="table"
         :datasource="datasource"
         :columns="columns"
@@ -187,6 +186,13 @@ export default {
         })
       }
       this.columns = [
+            {
+        key: 'index',
+        dataIndex: 'index',
+        width: 48,
+        align: 'center',
+        customRender: ({index}) => index + 1
+      },
         { title: "类别", dataIndex: "type", sorter: true },
         { title: "点位名称", dataIndex: "pointName", sorter: true},
         ...addCloumns
@@ -237,7 +243,7 @@ export default {
 
       arr.push(th1)
       arr.push(th2)
-      this.data.forEach((d) => {
+      this.datasource.forEach((d) => {
         const td = this.sColumns.map((item) => d[item.dataIndex]);
         arr.push(td);
       });