track/track-uniapp/src/App.vue

<script>
import { getNotifications } from "./api/notification";

export default {
  onLaunch() {
    console.log("生产流转 T1.0.1 启动");
    // 无 Token 跳转登录页
    const token = uni.getStorageSync("access_token");
    if (!token) {
      uni.reLaunch({ url: "/pages/login/login" });
    }
  },
  onShow() {
    console.log("App 显示");
    this.updateTabBarBadge();
  },
  onHide() {
    console.log("App 隐藏");
  },
  methods: {
    /** 更新底部 TabBar「消息」红点角标 */
    async updateTabBarBadge() {
      try {
        let user = uni.getStorageSync("user");
        if (typeof user === "string" && user) {
          try { user = JSON.parse(user); } catch (e) { user = null; }
        }
        const userId = user?.username || user?.id || "";
        if (!userId) return;

        const res = await getNotifications(userId, 0, 1);
        const unreadCount = res.unread_count || 0;

        if (unreadCount > 0) {
          uni.setTabBarBadge({
            index: 2,
            text: unreadCount > 99 ? "99+" : String(unreadCount),
          });
        } else {
          uni.removeTabBarBadge({ index: 2 });
        }
      } catch {
        // 静默失败
      }
    },
  },
};
</script>

<style>
page {
  background-color: #f3f4f6;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  color: #1f2937;
}
</style>