From 8e8d23010f9f14a5be9ee1ca49e14c6b2646c337 Mon Sep 17 00:00:00 2001
From: duxingchen <duxingchen@iris-rs.cn>
Date: Wed, 12 Aug 2026 13:16:11 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E7=95=99=E8=A8=80=E6=9D=BF=E6=9C=AA?=
 =?UTF-8?q?=E8=AF=BB=E6=95=B0=E9=80=80=E5=87=BA=E9=87=8D=E8=BF=9B=E5=90=8E?=
 =?UTF-8?q?=E9=87=8D=E7=BD=AE=20=E2=80=94=20lastMsgSeenAt=E6=8C=81?=
 =?UTF-8?q?=E4=B9=85=E5=8C=96=E5=88=B0storage?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 track-uniapp/src/pages/scan/detail.vue | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/track-uniapp/src/pages/scan/detail.vue b/track-uniapp/src/pages/scan/detail.vue
index 606edd9..4323f4a 100644
--- a/track-uniapp/src/pages/scan/detail.vue
+++ b/track-uniapp/src/pages/scan/detail.vue
@@ -346,10 +346,10 @@ export default {
     // 派发协助分支
     async doSpawn() { this.actionLoading = true; try { const opId = this.currentUsername || this.currentUserId; await post(`/tasks/${this.actionPopup.task.id}/spawn?operator_id=${encodeURIComponent(opId)}`, { task_name: "待确认", assignee_id: this.spawnForm.assignee_id, remark: this.spawnForm.remark.trim() || undefined }); uni.showToast({ title: "协助分支已派发", icon: "success" }); this.closeActionPopup(); this.doQuery(this.product.serial_number); } catch {} finally { this.actionLoading = false; } },
     // 💬 留言板
-    async fetchMessages() { if (!this.product?.id) return; try { const res = await get(`/products/${this.product.id}/messages`); this.messages = res || []; this.scrollToBottom(); } catch (e) { console.error('获取留言失败', e); } },
+    async fetchMessages() { if (!this.product?.id) return; try { const res = await get(`/products/${this.product.id}/messages`); this.messages = res || []; const key = `msg_seen_${this.product.id}`; this.lastMsgSeenAt = uni.getStorageSync(key) || ''; this.scrollToBottom(); } catch (e) { console.error('获取留言失败', e); } },
     async submitMessage() { const content = this.newMsgText.trim(); if (!content) return; this.newMsgText = ''; const tempId = 'temp_' + Date.now(); const tempMsg = { id: tempId, operator_id: this.currentUsername || this.currentUserId || '?', content, created_at: new Date().toISOString() }; this.messages.push(tempMsg); this.scrollToBottom(); try { await post(`/products/${this.product.id}/messages`, { operator_id: this.currentUsername || this.currentUserId, content }); this.fetchMessages(); } catch (e) { uni.showToast({ title: '发送失败', icon: 'none' }); this.messages = this.messages.filter(m => m.id !== tempId); } },
     openMsgDrawer() { this.showMsgDrawer = true; this.$nextTick(() => { this.scrollToBottom(); }); },
-    closeMsgDrawer() { const last = this.messages[this.messages.length - 1]; this.lastMsgSeenAt = last ? last.created_at : new Date().toISOString(); this.showMsgDrawer = false; },
+    closeMsgDrawer() { const last = this.messages[this.messages.length - 1]; this.lastMsgSeenAt = last ? last.created_at : new Date().toISOString(); if (this.product?.id && last) { uni.setStorageSync(`msg_seen_${this.product.id}`, this.lastMsgSeenAt); } this.showMsgDrawer = false; },
     scrollToBottom() { this.$nextTick(() => { this.bottomMsgId = 'msg-bottom'; }); },
     fmtMsgTime(d) { if (!d) return ''; const dt = new Date(d); const pad = (n) => String(n).padStart(2, '0'); return `${pad(dt.getMonth()+1)}-${pad(dt.getDate())} ${pad(dt.getHours())}:${pad(dt.getMinutes())}`; },
     // 🖨️ 打印标签：调用后端 API 发送打印指令