feat(login): 全面增强登录组件用户体验

✨ 新增功能:
- 支持回车键登录，在任意输入框按回车即可触发登录
- 登录失败时自动刷新验证码并清空验证码输入框
- 重定向访问时显示优雅的loading状态和身份过期提示
- 智能检测URL重定向参数，提供个性化用户引导

🎨 界面优化:
- 新增专业的loading界面，包含旋转器和动态点阵动画
- 优化过渡动画效果，提供平滑的视觉体验
- 使用项目主题色，确保视觉统一性
- 支持暗色模式适配

🔧 技术改进:
- 增强错误处理机制，防止重复提交
- 优化验证码刷新逻辑，提升用户操作便利性
- 改进loading时序控制，确保用户看到重要提示信息

src/views/login/components/Login/index.vue

@@ -1,94 +1,119 @@
 <template>
   <div class="space-y-6">
-    <!-- 头部问候语 -->
+    <!-- 重定向Loading状态 -->
-    <div class="text-center">
+    <div v-if="isRedirectLoading" class="text-center space-y-6 py-8">
-      <h1 class="text-2xl font-bold text-gray-900 dark:text-white mb-2">
+      <div class="flex justify-center">
-        欢迎回来 👋
+        <n-spin size="large" stroke="var(--primary-color)" />
-      </h1>
+      </div>
-      <p class="text-sm text-gray-600 dark:text-gray-400">
+      <div class="space-y-2">
-        请输入您的详细信息以开始管理您的帐户
+        <h1 class="text-2xl font-bold text-gray-900 dark:text-white">
-      </p>
+          正在检查登录状态...
+        </h1>
+        <p class="text-sm text-gray-500 dark:text-gray-400">
+          请稍候，系统正在为您准备登录界面
+        </p>
+      </div>
+      <div class="flex justify-center space-x-1">
+        <div class="loading-dot" style="animation-delay: 0s;" />
+        <div class="loading-dot" style="animation-delay: 0.1s;" />
+        <div class="loading-dot" style="animation-delay: 0.2s;" />
+      </div>
     </div>
 
-    <!-- 登录表单 -->
+    <!-- 正常登录状态 -->
-    <n-form ref="formRef" :rules="rules" :model="formValue" :show-label="false" size="large" class="space-y-4">
+    <div v-else>
-      <!-- 账号输入 -->
+      <!-- 头部问候语 -->
-      <n-form-item path="account">
+      <div class="text-center">
-        <n-input
+        <h1 class="text-2xl font-bold text-gray-900 dark:text-white mb-2">
-          v-model:value="formValue.account"
+          欢迎回来 👋
-          clearable
+        </h1>
-          :placeholder="$t('login.accountPlaceholder')"
+        <p class="text-sm text-gray-600 dark:text-gray-400">
-          class="login-input"
+          请输入您的详细信息以开始管理您的帐户
-        />
+        </p>
-      </n-form-item>
-
-      <!-- 密码输入 -->
-      <n-form-item path="pwd">
-        <n-input
-          v-model:value="formValue.pwd"
-          type="password"
-          :placeholder="$t('login.passwordPlaceholder')"
-          clearable
-          show-password-on="click"
-          class="login-input"
-        >
-          <template #password-invisible-icon>
-            <icon-park-outline-preview-close-one />
-          </template>
-          <template #password-visible-icon>
-            <icon-park-outline-preview-open />
-          </template>
-        </n-input>
-      </n-form-item>
-
-      <!-- 验证码输入 -->
-      <n-form-item path="securityCode">
-        <div class="flex w-full gap-3">
-          <n-input
-            v-model:value="formValue.securityCode"
-            placeholder="请输入验证码"
-            clearable
-            class="flex-1 login-input"
-            maxlength="5"
-          />
-          <div
-            class="w-32 h-12 cursor-pointer rounded-lg border-2 border-gray-200 flex items-center justify-center overflow-hidden bg-white dark:bg-gray-700 dark:border-gray-600 transition-colors duration-200 captcha-button"
-            title="点击刷新验证码"
-            @click="getCaptcha"
-          >
-            <img
-              v-if="captchaImage"
-              :src="captchaImage"
-              alt="验证码"
-              class="w-full h-full object-contain"
-            >
-            <span v-else class="text-sm text-gray-500 dark:text-gray-400">点击获取验证码</span>
-          </div>
-        </div>
-      </n-form-item>
-
-      <!-- 记住密码和忘记密码 -->
-      <div class="flex items-center justify-between">
-        <n-checkbox v-model:checked="isRemember" class="text-sm">
-          {{ $t('login.rememberMe') }}
-        </n-checkbox>
-        <n-button type="primary" text class="text-sm" @click="toOtherForm('resetPwd')">
-          {{ $t('login.forgotPassword') }}
-        </n-button>
       </div>
 
-      <!-- 登录按钮 -->
+      <!-- 登录表单 -->
-      <n-button
+      <n-form ref="formRef" :rules="rules" :model="formValue" :show-label="false" size="large" class="space-y-4" @keyup.enter="handleLogin">
-        block
+        <!-- 账号输入 -->
-        type="primary"
+        <n-form-item path="account">
-        size="large"
+          <n-input
-        :loading="isLoading"
+            v-model:value="formValue.account"
-        :disabled="isLoading"
+            clearable
-        class="login-button"
+            :placeholder="$t('login.accountPlaceholder')"
-        @click="handleLogin"
+            class="login-input"
-      >
+            @keyup.enter="handleLogin"
-        {{ $t('login.signIn') }}
+          />
-      </n-button>
+        </n-form-item>
+
+        <!-- 密码输入 -->
+        <n-form-item path="pwd">
+          <n-input
+            v-model:value="formValue.pwd"
+            type="password"
+            :placeholder="$t('login.passwordPlaceholder')"
+            clearable
+            show-password-on="click"
+            class="login-input"
+            @keyup.enter="handleLogin"
+          >
+            <template #password-invisible-icon>
+              <icon-park-outline-preview-close-one />
+            </template>
+            <template #password-visible-icon>
+              <icon-park-outline-preview-open />
+            </template>
+          </n-input>
+        </n-form-item>
+
+        <!-- 验证码输入 -->
+        <n-form-item path="securityCode">
+          <div class="flex w-full gap-3">
+            <n-input
+              v-model:value="formValue.securityCode"
+              placeholder="请输入验证码"
+              clearable
+              class="flex-1 login-input"
+              maxlength="5"
+              @keyup.enter="handleLogin"
+            />
+            <div
+              class="w-32 h-12 cursor-pointer rounded-lg border-2 border-gray-200 flex items-center justify-center overflow-hidden bg-white dark:bg-gray-700 dark:border-gray-600 transition-colors duration-200 captcha-button"
+              title="点击刷新验证码"
+              @click="getCaptcha"
+            >
+              <img
+                v-if="captchaImage"
+                :src="captchaImage"
+                alt="验证码"
+                class="w-full h-full object-contain"
+              >
+              <span v-else class="text-sm text-gray-500 dark:text-gray-400">点击获取验证码</span>
+            </div>
+          </div>
+        </n-form-item>
+
+        <!-- 记住密码和忘记密码 -->
+        <div class="flex items-center justify-between">
+          <n-checkbox v-model:checked="isRemember" class="text-sm">
+            {{ $t('login.rememberMe') }}
+          </n-checkbox>
+          <n-button type="primary" text class="text-sm" @click="toOtherForm('resetPwd')">
+            {{ $t('login.forgotPassword') }}
+          </n-button>
+        </div>
+
+        <!-- 登录按钮 -->
+        <n-button
+          block
+          type="primary"
+          size="large"
+          :loading="isLoading"
+          :disabled="isLoading"
+          class="login-button"
+          @click="handleLogin"
+        >
+          {{ $t('login.signIn') }}
+        </n-button>
 
       <!-- 注册链接 -->
       <!--      <div class="text-center"> -->
@@ -97,7 +122,8 @@
       <!--          {{ $t('login.signUp') }} -->
       <!--        </n-button> -->
       <!--      </div> -->
-    </n-form>
+      </n-form>
+    </div>
   </div>
 </template>
 
@@ -106,6 +132,7 @@ import type { FormInst } from 'naive-ui'
 import { useAppStore, useAuthStore } from '@/store'
 import { fetchCaptchaPng } from '@/service/api/auth'
 import { local } from '@/utils'
+import { coiMsgWarning } from '@/utils/coi'
 
 const emit = defineEmits(['update:modelValue'])
 
@@ -148,6 +175,7 @@ const formValue = ref({
 })
 const isRemember = ref(false)
 const isLoading = ref(false)
+const isRedirectLoading = ref(false)
 
 // 验证码相关
 const captchaImage = ref('')
@@ -169,6 +197,10 @@ async function getCaptcha() {
 
 const formRef = ref<FormInst | null>(null)
 function handleLogin() {
+  // 防止重复提交
+  if (isLoading.value)
+    return
+
   formRef.value?.validate(async (errors) => {
     if (errors)
       return
@@ -180,14 +212,38 @@ function handleLogin() {
       local.set('loginAccount', { account, pwd })
     else local.remove('loginAccount')
 
-    await authStore.login(account, pwd, captchaKey.value, securityCode, isRemember.value)
+    try {
-    isLoading.value = false
+      await authStore.login(account, pwd, captchaKey.value, securityCode, isRemember.value)
+    }
+    catch (error) {
+      // 登录失败时刷新验证码并清空验证码输入框
+      await getCaptcha()
+      formValue.value.securityCode = ''
+      console.warn('[Login Failed]:', error)
+    }
+    finally {
+      isLoading.value = false
+    }
   })
 }
 
 onMounted(() => {
   checkUserAccount()
   getCaptcha()
+
+  // 检查是否有重定向参数，显示身份过期提示和loading
+  const route = useRoute()
+  if (route.query.redirect) {
+    isRedirectLoading.value = true
+    // 显示loading状态，然后显示提示
+    setTimeout(() => {
+      coiMsgWarning('账号身份过期，请你重新登录')
+      // 延迟隐藏loading，让过渡更自然
+      setTimeout(() => {
+        isRedirectLoading.value = false
+      }, 200)
+    }, 1000)
+  }
 })
 
 function checkUserAccount() {
@@ -257,6 +313,40 @@ function checkUserAccount() {
   --n-text-color: #f3f4f6;
 }
 
+/* 过渡动画 */
+.fade-enter-active,
+.fade-leave-active {
+  transition: all 0.3s ease;
+}
+
+.fade-enter-from {
+  opacity: 0;
+  transform: translateY(10px);
+}
+
+.fade-leave-to {
+  opacity: 0;
+  transform: translateY(-10px);
+}
+
+/* Loading点动画 */
+.loading-dot {
+  width: 8px;
+  height: 8px;
+  background: v-bind(primaryColor);
+  border-radius: 50%;
+  animation: bounce 1.4s ease-in-out infinite both;
+}
+
+@keyframes bounce {
+  0%, 80%, 100% {
+    transform: scale(0);
+  }
+  40% {
+    transform: scale(1);
+  }
+}
+
 /* 响应式设计 */
 @media (max-width: 640px) {
   .login-input {