From 3fdf9771ced178f54e88087c465304ade2fbb5da Mon Sep 17 00:00:00 2001
From: xuliangzhan <xu_liangzhan@163.com>
Date: Wed, 11 Dec 2019 13:10:36 +0800
Subject: [PATCH] update

---
 index.ts | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/index.ts b/index.ts
index 63c1078..53c60bd 100644
--- a/index.ts
+++ b/index.ts
@@ -2,6 +2,13 @@ import XEUtils from 'xe-utils/methods/xe-utils'
 import VXETable from 'vxe-table/lib/vxe-table'
 import XLSX from 'xlsx'
 
+function getSeq($table: any, row: any, rowIndex: number, column: any, columnIndex: number) {
+  // 在 v3.0 中废弃 startIndex、indexMethod
+  let seqOpts = $table.seqOpts
+  let seqMethod = seqOpts.seqMethod || column.indexMethod
+  return seqMethod ? seqMethod({ row, rowIndex, column, columnIndex }) : ((seqOpts.startIndex || $table.startIndex) + rowIndex + 1)
+}
+
 function toBuffer(wbout: any) {
   let buf = new ArrayBuffer(wbout.length)
   let view = new Uint8Array(buf)
@@ -24,9 +31,9 @@ function exportXLSX(params: any) {
     columns.forEach((column: any, columnIndex: number) => {
       let cellValue
       const property = column.property
-      const isIndex = column.type === 'index'
+      const isIndex = column.type === 'seq' || column.type === 'index'
       if (!original || isIndex) {
-        cellValue = isIndex ? (column.indexMethod ? column.indexMethod({ row, rowIndex, column, columnIndex }) : rowIndex + 1) : row[column.id]
+        cellValue = isIndex ? getSeq($table, row, rowIndex, column, columnIndex) : row[column.id]
       } else {
         cellValue = XEUtils.get(row, property)
       }