feat: 登录页自动跳过 — 已登录用户不再看到登录界面

track-uniapp/src/pages/login/login.vue

@@ -6,7 +6,12 @@
       <text class="version">{{ appVersion }}</text>
     </view>
 
-    <view class="form">
+    <!-- 检查中：防止登录页闪烁 -->
+    <view v-if="checking" class="checking">
+      <text class="checking-icon">⏳</text>
+    </view>
+
+    <view v-else class="form">
       <input v-model="username" class="input" placeholder="用户名" />
       <input v-model="password" class="input" type="password" placeholder="密码" />
       <button class="login-btn" @tap="handleLogin" :disabled="loading">
@@ -21,9 +26,21 @@
 import { ref, onMounted } from "vue";
 import { post } from "../../utils/request";
 
-// 🚀 动态版本号 — 热更新后自动变化
+// 🚀 动态版本号 + 自动跳过登录（已登录用户）
 const appVersion = ref("T1.0.2");
+const checking = ref(true);
+
 onMounted(() => {
+  // 1. 自动跳过：如果已有 token + user，直接进首页
+  const token = uni.getStorageSync("access_token") || uni.getStorageSync("refresh_token");
+  const user = uni.getStorageSync("user");
+  if (token && user) {
+    uni.switchTab({ url: "/pages/scan/index" });
+    return; // 不展示登录页
+  }
+  checking.value = false;
+
+  // 2. 动态版本号
   try {
     const v = uni.getSystemInfoSync().appWgtVersion || uni.getSystemInfoSync().appVersion;
     if (v) appVersion.value = v.startsWith("T") ? v : "T" + v;
@@ -74,4 +91,6 @@ async function handleLogin() {
 .login-btn { width: 100%; height: 48px; background: #2563EB; color: #fff; border: none; border-radius: 10px; font-size: 16px; font-weight: 700; line-height: 48px; }
 .login-btn[disabled] { opacity: 0.6; }
 .error { display: block; text-align: center; color: #dc2626; font-size: 13px; margin-top: 12px; }
+.checking { display: flex; align-items: center; justify-content: center; }
+.checking-icon { font-size: 40px; }
 </style>