先顺序找到第一条数据为空的做数据填充

src/views/modules/base/smartExcel/cpts/excel-view.vue

@@ -3,8 +3,8 @@
   <div class='flex el-card'>
     <div class="left_menu flex flex-y">
       <el-button type="text" round @click="handelClickBack" icon="el-icon-back">返回</el-button>
-        <div :class="{ 'menu_item': true, 'active': menuActive === index }" v-for="(item, index) in menuList"
-          :key="index" @click="handleClickMenu(index)">
+      <div :class="{ 'menu_item': true, 'active': menuActive === index }" v-for="(item, index) in menuList" :key="index"
+        @click="handleClickMenu(index)">
         <span>{{ item.name }}</span>
         <i class="el-icon-arrow-right"></i>
       </div>
@@ -142,9 +142,19 @@ export default {
       this.$emit('close')
     },
     getAllTables() {
-      console.log(luckysheet.getAllSheets());
-      let currentTable = luckysheet.getAllSheets().filter(item=>item.status === '1')
-      
+      let list = luckysheet.getAllSheets()
+      let currentTable = list.filter(item => item.status == '1')
+      const findFirstAllNullIndex = (arr) => {
+        return arr.findIndex(subArray => Array.isArray(subArray) && subArray.every(item => item === null));
+    };
+      this.sheetR =  findFirstAllNullIndex(currentTable[0].data)
+      if(this.sheetR != -1){
+        this.updataSheet()
+      }else{
+        luckysheet.insertRow(currentTable[0].data.length,5)
+      }
+    },
+    updataSheet() {
       let arr = [
         {
           1: '张三1',
@@ -188,13 +198,9 @@ export default {
       arr.forEach((item, index) => {
         for (let k in item) {
           // index +1 + this.sheetR(当前表最后一个有数据的行)
-          luckysheet.setCellValue(index+1, k - 1, item[k])
+          luckysheet.setCellValue(index+this.sheetR, k - 1, item[k])
         }
       })
-      // 17列
-    },
-    updataSheet(){
-
     },
   },
   beforeDestroy() {
@@ -213,6 +219,7 @@ export default {
   box-sizing: border-box;
   width: calc(100% - 40px);
 }
+
 .luckysheet-wrap {
   margin: 10px;
   padding: 0px;