fix: 多规格商品编辑图片错误

yshop-drink-vue3/src/views/mall/product/storeProduct/StoreProductForm.vue

@@ -705,13 +705,13 @@ const  getInfo  = (id) => {
           }
         oneFormValidate.value = [data.attr];
         formValidate.value.header = [];
-        generate();
-        manyFormValidate.value = data.attrs;
         console.log('data2:',formValidate.value.spec_type)
         if(data.spec_type === 0){
           manyFormValidate.value = [];
         }else {
           createBnt.value = true;
+          // 先放入已有规格行，供 generate 合并，避免异步生成后丢失各规格图片
+          manyFormValidate.value = data.attrs || [];
           oneFormValidate.value = [
             {
               imageArr: [],
@@ -732,7 +732,7 @@ const  getInfo  = (id) => {
               integral:0
             }
           ]
-
+          await generate();
            console.log('spec_type2:',formValidate.value.spec_type)
         }
       }
@@ -745,11 +745,20 @@ const  getInfo  = (id) => {
     })
 }
 
-const route = useRoute()
  // 立即生成
-const generate = () => {
-  const previousRows = new Map(manyFormValidate.value.map((item) => [JSON.stringify(item.detail), item]));
-  StoreProductApi.isFormatAttr(formValidate.value.id, { attrs: attrs.value }).then(res => {
+const generate = async () => {
+  const previousRows = new Map(
+    manyFormValidate.value
+      .filter((item) => item?.detail)
+      .map((item) => [JSON.stringify(item.detail), item])
+  )
+  const previousBySku = new Map(
+    manyFormValidate.value
+      .filter((item) => item?.sku)
+      .map((item) => [item.sku, item])
+  )
+  try {
+    const res = await StoreProductApi.isFormatAttr(formValidate.value.id, { attrs: attrs.value })
     manyFormValidate.value = res.value;
     let headerdel = {
       title: '操作',
@@ -762,19 +771,39 @@ const generate = () => {
     //this.formValidate.attrs = res.attr;
     let header = res.header;
     header.pop();
-    if (!route.params.id && formValidate.value.spec_type === 1) {
-      manyFormValidate.value.map((item) => {
+    // 仅新建商品时，用封面图填充尚未设置图片的规格行（编辑走弹窗，不能用 route.params.id 判断）
+    const isNewProduct = !formValidate.value.id
+    if (isNewProduct && formValidate.value.spec_type === 1) {
+      manyFormValidate.value.forEach((item) => {
+        if (!item.pic) {
           item.pic = formValidate.value.image
+        }
       });
       oneFormBatch.value[0].pic = formValidate.value.image;
     }
-    manyFormValidate.value = manyFormValidate.value.map((item) => ({
+    manyFormValidate.value = manyFormValidate.value.map((item) => {
+      const previous =
+        (item.detail && previousRows.get(JSON.stringify(item.detail))) ||
+        (item.sku && previousBySku.get(item.sku)) ||
+        {}
+      const merged = {
         ...item,
-      ...(previousRows.get(JSON.stringify(item.detail)) || {})
-    }));
-  }).catch(res => {
-   console.log('err:'+res)
+        ...previous,
+        detail: item.detail ?? previous.detail
+      }
+      // previous 可能来自不含 valueN 的详情数据，规格展示列以生成结果为准
+      Object.keys(item).forEach((key) => {
+        if (key.startsWith('value')) {
+          merged[key] = item[key]
+        }
       })
+      // 已有规格图优先，避免编辑/重新生成时被封面图覆盖
+      merged.pic = previous.pic || item.pic || ''
+      return merged
+    });
+  } catch (res) {
+   console.log('err:'+res)
+  }
 }
 
 /** 获得分类树 */