fix upload preview index error (#4473)

* chore: lint

* feat: use ifdef APP

* feat(table): 兼容vue2

* fix(upload): 修复预览图片不是当前问题

* chore: stash changelog [ci skip]

---------

Co-authored-by: tdesign-bot <tdesign@tencent.com>

Author: novlan1

packages/tdesign-uniapp/.changelog/pr-4473.md

@@ -0,0 +1,6 @@
+---
+pr_number: 4473
+contributor: novlan1
+---
+
+- fix(Upload): 修复预览图片不是当前问题 @novlan1 ([#4473](https://github.com/Tencent/tdesign-miniprogram/pull/4473))

packages/uniapp-components/upload/upload.vue

@@ -49,14 +49,14 @@
               :autoplay="false"
               objectFit="contain"
               :data-file="file"
-              @click.stop="onFileClick"
+              @click.stop="(e) => onFileClick(e, {file, index})"
             />
             <view
               v-if="file.status && file.status != 'done'"
               :class="classPrefix + '__progress-mask'"
               :data-index="index"
               :data-file="file"
-              @click.stop="onFileClick"
+              @click.stop="(e) => onFileClick(e, {file, index})"
             >
               <block v-if="file.status == 'loading'">
                 <t-icon
@@ -88,7 +88,7 @@
               :data-index="index"
               aria-role="button"
               aria-label="删除"
-              @click.stop="onDelete"
+              @click.stop="(e) => onDelete(e, {index})"
             >
               <t-icon
                 name="close"
@@ -177,14 +177,14 @@
                   :autoplay="false"
                   objectFit="contain"
                   :data-file="file"
-                  @click.stop="onFileClick"
+                  @click.stop="(e) => onFileClick(e, {file, index})"
                 />
                 <view
                   v-if="file.status && file.status != 'done'"
                   :class="classPrefix + '__progress-mask'"
                   :data-index="index"
                   :data-file="file"
-                  @click.stop="onFileClick"
+                  @click.stop="(e) => onFileClick(e, {file, index})"
                 >
                   <block v-if="file.status == 'loading'">
                     <t-icon
@@ -217,7 +217,7 @@
                   :data-url="file.url"
                   aria-role="button"
                   aria-label="删除"
-                  @click.stop="onDelete"
+                  @click.stop="(e) => onDelete(e, {index})"
                 >
                   <t-icon
                     name="close"
@@ -428,8 +428,7 @@ export default {
         this.$emit('fail', err);
       },
 
-      onFileClick(e) {
-        const { file, index } = e.currentTarget.dataset;
+      onFileClick(e, { file, index }) {
         this.$emit('click', { index, file });
       },
 
@@ -477,8 +476,7 @@ export default {
         return false;
       },
 
-      onDelete(e) {
-        const { index } = e.currentTarget.dataset;
+      onDelete(e, { index }) {
         this.deleteHandle(index);
       },
 
@@ -612,22 +610,21 @@ export default {
         return previewMediaSources;
       },
 
-      onPreview(e) {
-        this.onFileClick(e);
+      onPreview(e, { file, index }) {
+        this.onFileClick(e, { file, index });
         const { preview } = this;
 
         if (!preview) return;
 
         const usePreviewMedia = this.customFiles.some(file => file.type === 'video');
         if (usePreviewMedia) {
-          this.onPreviewMedia(e);
+          this.onPreviewMedia({ index });
         } else {
-          this.onPreviewImage(e);
+          this.onPreviewImage({ index });
         }
       },
 
-      onPreviewImage(e) {
-        const { index } = e.currentTarget.dataset;
+      onPreviewImage({ index }) {
         const urls = this.customFiles.filter(file => file.percent !== -1).map(file => file.url);
         const current = this.customFiles[index]?.url;
         uni.previewImage({
@@ -639,8 +636,7 @@ export default {
         });
       },
 
-      onPreviewMedia(e) {
-        const { index: current } = e.currentTarget.dataset;
+      onPreviewMedia({ index: current }) {
         const sources = this.getPreviewMediaSources();
         uni.previewMedia({
           sources,