fix(APP): 记录页删除也改为5秒倒计时双重确认

- records.vue 删除记录从 uni.showModal 改为自定义倒计时确认弹窗
- 取消逻辑由 Vue 控制，杜绝原生弹窗取消失效

track-uniapp/src/pages/scan/records.vue

@@ -48,6 +48,19 @@
         <text class="empty-text">暂无历史记录</text>
       </view>
     </template>
+
+    <!-- 🛡️ 双重确认删除（5 秒倒计时防误触） -->
+    <view v-if="confirmDlg.visible" class="dlg-overlay" @tap="confirmDlgCancel">
+      <view class="dlg-box" @tap.stop>
+        <text class="dlg-title">{{ confirmDlg.title }}</text>
+        <text class="dlg-content">{{ confirmDlg.content }}</text>
+        <text class="dlg-tip">⚠️ 请再次确认：倒计时结束点击「确认删除」才会生效</text>
+        <view class="dlg-btns">
+          <button class="dlg-btn dlg-cancel" @tap="confirmDlgCancel">取消</button>
+          <button class="dlg-btn dlg-danger" @tap="confirmDlgConfirm">{{ confirmLabel('删除') }}</button>
+        </view>
+      </view>
+    </view>
   </view>
 </template>
 
@@ -62,6 +75,11 @@ export default {
       task: null,
       records: [],
       currentUser: null,
+      // 🛡️ 双重确认删除（5 秒倒计时防误触）
+      confirmDlg: { visible: false, title: "", content: "", target: null },
+      confirming: "",
+      confirmCount: 5,
+      confirmTimer: null,
     };
   },
   computed: {
@@ -86,6 +104,8 @@ export default {
       this.loading = false;
     }
   },
+  // 🚀 页面卸载：清理确认倒计时定时器
+  onUnload() { this.clearConfirm(); },
   methods: {
     loadCurrentUser() {
       try {
@@ -144,23 +164,69 @@ export default {
     },
 
     confirmDelete(rec) {
-      uni.showModal({
-        title: "删除记录",
-        content: "确定删除这条记录吗？",
-        confirmColor: "#dc2626",
-        success: async (res) => {
-          if (res.confirm) {
-            try {
-              await request({ url: `/records/${rec.id}`, method: "DELETE" });
-              uni.showToast({ title: "已删除", icon: "success" });
-              this.records = this.records.filter((r) => r.id !== rec.id);
-            } catch {
-              uni.showToast({ title: "删除失败", icon: "none" });
-            }
-          }
-        },
+      this.openConfirmDlg({ title: "删除记录", content: "确定删除这条记录吗？删除后不可恢复。", target: rec });
+    },
+    // ═══ 双重确认倒计时（防误触） ═══
+    openConfirmDlg({ title, content, target }) {
+      this.clearConfirm();
+      this.confirmDlg = { visible: true, title, content, target };
+      this.confirming = "dlg";
+      this.confirmCount = 5;
+      this.confirmTimer = setInterval(() => {
+        this.confirmCount -= 1;
+        if (this.confirmCount <= 0) clearInterval(this.confirmTimer);
+      }, 1000);
+    },
+    clearConfirm() {
+      if (this.confirmTimer) clearInterval(this.confirmTimer);
+      this.confirmTimer = null;
+      this.confirming = "";
+      this.confirmCount = 5;
+    },
+    confirmLabel(baseText) {
+      if (this.confirming === "dlg") return this.confirmCount > 0 ? `再次确认 (${this.confirmCount}s)` : "确认删除";
+      return baseText;
+    },
+    confirmDlgConfirm() {
+      this.confirmBtn(() => {
+        const rec = this.confirmDlg.target;
+        this.confirmDlg.visible = false;
+        this.confirmDlg.target = null;
+        if (rec) this.deleteRecord(rec);
       });
     },
+    confirmDlgCancel() {
+      this.clearConfirm();
+      this.confirmDlg.visible = false;
+      this.confirmDlg.target = null;
+    },
+    confirmBtn(doAction) {
+      if (this.confirming === "dlg") {
+        if (this.confirmCount <= 0) {
+          this.clearConfirm();
+          doAction();
+        } else {
+          this.clearConfirm();
+        }
+        return;
+      }
+      this.clearConfirm();
+      this.confirming = "dlg";
+      this.confirmCount = 5;
+      this.confirmTimer = setInterval(() => {
+        this.confirmCount -= 1;
+        if (this.confirmCount <= 0) clearInterval(this.confirmTimer);
+      }, 1000);
+    },
+    async deleteRecord(rec) {
+      try {
+        await request({ url: `/records/${rec.id}`, method: "DELETE" });
+        uni.showToast({ title: "已删除", icon: "success" });
+        this.records = this.records.filter((r) => r.id !== rec.id);
+      } catch {
+        uni.showToast({ title: "删除失败", icon: "none" });
+      }
+    },
   },
 };
 </script>
@@ -194,4 +260,16 @@ export default {
 .empty-timeline { display: flex; flex-direction: column; align-items: center; padding-top: 60px; }
 .empty-icon { font-size: 48px; margin-bottom: 8px; }
 .empty-text { font-size: 14px; color: #9ca3af; }
+
+/* 双重确认弹窗 */
+.dlg-overlay { position: fixed; inset: 0; z-index: 999; background: rgba(0,0,0,0.45); display: flex; align-items: center; justify-content: center; }
+.dlg-box { width: 80%; max-width: 360px; background: #fff; border-radius: 16px; padding: 28px 20px 20px; box-sizing: border-box; }
+.dlg-title { display: block; text-align: center; font-size: 17px; font-weight: 700; color: #1f2937; }
+.dlg-content { display: block; text-align: center; font-size: 14px; color: #6b7280; margin-top: 10px; line-height: 1.5; }
+.dlg-tip { display: block; text-align: center; font-size: 12px; color: #b45309; background: #fffbeb; border: 1px solid #fcd34d; border-radius: 8px; padding: 6px 10px; margin: 12px 0 0; line-height: 1.4; }
+.dlg-btns { display: flex; gap: 12px; margin-top: 20px; }
+.dlg-btn { flex: 1; height: 42px; line-height: 42px; border-radius: 10px; font-size: 15px; font-weight: 600; text-align: center; box-sizing: border-box; padding: 0; margin: 0; }
+.dlg-btn::after { border: none; }
+.dlg-cancel { background: #f3f4f6; color: #6b7280; }
+.dlg-danger { background: #dc2626; color: #fff; }
 </style>