From 567a1e70c1da056eb7e5dfd583120098b0e3fd3a Mon Sep 17 00:00:00 2001
From: morning-star <1453017105@qq.com>
Date: Mon, 25 Dec 2023 13:22:50 +0800
Subject: [PATCH] =?UTF-8?q?feat(upload):=20=E5=8A=A0=E5=BC=BA=20data=20?=
 =?UTF-8?q?=E9=80=89=E9=A1=B9=E7=9A=84=E5=87=BD=E6=95=B0=E5=86=99=E6=B3=95?=
 =?UTF-8?q?=EF=BC=8C=E6=94=AF=E6=8C=81=E8=8E=B7=E5=8F=96=E6=96=87=E4=BB=B6?=
 =?UTF-8?q?=E7=9B=B8=E5=85=B3=E6=95=B0=E6=8D=AE=20(#1494)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

close https://gitee.com/layui/layui/issues/I8JAC1
---
 docs/upload/detail/options.md | 5 +++++
 src/modules/upload.js         | 4 +++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/docs/upload/detail/options.md b/docs/upload/detail/options.md
index 00974de7..590c46ae 100644
--- a/docs/upload/detail/options.md
+++ b/docs/upload/detail/options.md
@@ -74,6 +74,11 @@ data: {
 data: {
   id: function(){
     return $('#id').val();
+  },
+  id2: function(index, file){ // 参数支持。2.9.3+ 
+    // 注：当 unified:true 和 ie8/9 下，参数无效
+    console.log(index); // 得到文件索引
+    console.log(file); // 得到文件对象
   }
 }
 ```
diff --git a/src/modules/upload.js b/src/modules/upload.js
index 24cc9e69..1ec113ff 100644
--- a/src/modules/upload.js
+++ b/src/modules/upload.js
@@ -279,7 +279,9 @@ layui.define(['lay', 'layer'], function(exports){
 
         // 追加额外的参数
         layui.each(options.data, function(key, value){
-          value = typeof value === 'function' ? value() : value;
+          value = typeof value === 'function' 
+            ? sets.unified ? value() : value(sets.index, sets.file)
+            : value;
           formData.append(key, value);
         });