订单列表无缓存回前一页

src/router.js

@@ -178,7 +178,7 @@ const routes = [
     path: '/TradeList',
     name: 'TradeList',
     component: () => import('./views/Trade/TradeList.vue'),
-    meta: { title: '订单列表', cache: true }
+    meta: { title: '订单列表' }
   },
   {
     path: '/Pay',

src/views/Trade/Tradelist.vue

@@ -21,7 +21,7 @@
       </van-search>
 
       <BaseList ref="baseList" url="/v1/client/FOrdersClient" :params="searchParams" :parseData="parseData"
-        style="padding: 3.33vw;" @refresh="onRefresh">
+        style="padding: 3.33vw;" @refresh="onRefresh" @load="onLoad">
         <template #default="{ item }">
           <div class="list">
             <div class="order_box">
@@ -176,11 +176,50 @@ export default {
     }
   },
 
-  mounted() {
+  beforeRouteLeave(to, from) {
+    if (to.name === 'TradeDetail' || to.name === 'MerchantTradeDetail') {
+      sessionStorage.setItem('TradeList_scroll', window.scrollY || 0)
+      sessionStorage.setItem('TradeList_fromDetail', '1')
+    }
+    this._pauseScroll = true
+  },
 
+  mounted() {
+    const isReturningFromDetail = sessionStorage.getItem('TradeList_fromDetail') === '1'
+    sessionStorage.removeItem('TradeList_fromDetail')
+
+    if (!isReturningFromDetail) {
+      sessionStorage.setItem('TradeList_scroll', '0')
+    }
+
+    this._pauseScroll = false
+    window.addEventListener('scroll', this.saveScroll)
+    this.$refs.baseList?.refresh()
+  },
+
+  onUnmounted() {
+    window.removeEventListener('scroll', this.saveScroll)
   },
 
   methods: {
+    saveScroll() {
+      if (this._pauseScroll) return
+      const scrollTop = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0
+      sessionStorage.setItem('TradeList_scroll', scrollTop)
+    },
+    onLoad() {
+      const scrollTop = sessionStorage.getItem('TradeList_scroll')
+      if (scrollTop && scrollTop !== '0' && !this._scrollRestored) {
+        this._scrollRestored = true
+        window.removeEventListener('scroll', this.saveScroll)
+        this.$nextTick(() => {
+          window.scrollTo(0, Number(scrollTop))
+        })
+        setTimeout(() => {
+          window.addEventListener('scroll', this.saveScroll)
+        }, 100)
+      }
+    },
     // 加载订单状态和类型列表
     async loadFilterOptions() {
       try {