优化

ghsApp/src/pagesOrder/refundDetail.vue

@@ -296,27 +296,31 @@ export default {
 				that.$util.pageTo({ url: '/admin/clear/customInfo?id=' + id })
 			})
 		},
-		/** 预览售后图片：传入完整列表与当前索引，支持左右滑动切换 */
+		/** 预览售后图片：urls 与列表缩略图同源，current 传 URL 避免 App 端滑动加载失败 */
 		showBig(index) {
 			const urls = this.getPreviewImageUrls()
 			if (!urls.length) {
 				return
 			}
+			const safeIndex = index >= 0 && index < urls.length ? index : 0
 			uni.previewImage({
 				urls,
-				current: index,
-				loop: true
+				current: urls[safeIndex]
 			})
 		},
-		/** 优先大图列表，无大图时用小图列表 */
+		/** 与页面缩略图同源生成预览 URL，去掉 m_fill 裁切参数避免滑动时下一张一直加载 */
 		getPreviewImageUrls() {
-			if (this.info.bigImgList && !this.$util.isEmpty(this.info.bigImgList)) {
-				return this.info.bigImgList
-			}
-			if (this.info.smallImgList && !this.$util.isEmpty(this.info.smallImgList)) {
-				return this.info.smallImgList
+			const source = this.info.smallImgList && !this.$util.isEmpty(this.info.smallImgList)
+				? this.info.smallImgList
+				: (this.info.bigImgList || [])
+			return source.map(url => this.normalizePreviewUrl(url)).filter(url => !!url)
+		},
+		normalizePreviewUrl(url) {
+			if (!url) {
+				return ''
 			}
-			return []
+			const base = String(url).split('?')[0]
+			return base + '?x-oss-process=image/resize,w_1200'
 		},
 		goBack() {
 			uni.navigateBack()

hdApp/src/pagesPurchase/refundDetail.vue

@@ -95,12 +95,32 @@ export default {
     this.initData()
   },
   methods: {
-    showBig(index){
-      if(this.refundData.info && this.refundData.info.bigImgList && !this.$util.isEmpty(this.refundData.info.bigImgList)){
-        if(this.refundData.info.bigImgList[index]){
-          uni.previewImage({ urls: [this.refundData.info.bigImgList[index]] })
-        }
+    /** 预览售后图片：urls 与列表缩略图同源，current 传 URL 避免 App 端滑动加载失败 */
+    showBig(index) {
+      const urls = this.getPreviewImageUrls()
+      if (!urls.length) {
+        return
+      }
+      const safeIndex = index >= 0 && index < urls.length ? index : 0
+      uni.previewImage({
+        urls,
+        current: urls[safeIndex]
+      })
+    },
+    /** 与页面缩略图同源生成预览 URL，去掉 m_fill 裁切参数避免滑动时下一张一直加载 */
+    getPreviewImageUrls() {
+      const info = this.refundData.info || {}
+      const source = info.smallImgList && !this.$util.isEmpty(info.smallImgList)
+        ? info.smallImgList
+        : (info.bigImgList || [])
+      return source.map(url => this.normalizePreviewUrl(url)).filter(url => !!url)
+    },
+    normalizePreviewUrl(url) {
+      if (!url) {
+        return ''
       }
+      const base = String(url).split('?')[0]
+      return base + '?x-oss-process=image/resize,w_1200'
     },
     cancelFn(){
       let that = this