feat: 优化目标系统登录中心页面环境显示

- 将 Auth v2.0 标签改为显示当前激活的目标环境信息
- 调用 /setting/environment/current 接口获取当前环境
- 在页面加载时自动获取当前环境信息
- 登录成功后自动刷新环境信息
- 添加加载状态和未配置环境的提示
- 优化登录信息查询逻辑，处理 code 500 情况
- 优化样式，添加环境图标和加载动画

src/views/auth/target/index.vue

@@ -6,7 +6,15 @@
           <template #header>
             <div class="card-header">
               <span class="header-title">目标系统登录中心</span>
-              <el-tag type="info" size="small" effect="plain">Auth v2.0</el-tag>
+              <div class="environment-info">
+                <el-tag v-if="currentEnvironment" type="success" size="small" effect="dark">
+                  <el-icon class="tag-icon"><Monitor /></el-icon>
+                  {{ currentEnvironment.environmentName }}
+                </el-tag>
+                <el-tag v-else type="info" size="small" effect="plain" :loading="environmentLoading">
+                  {{ environmentLoading ? '加载中...' : '未配置环境' }}
+                </el-tag>
+              </div>
             </div>
           </template>
           
@@ -377,6 +385,7 @@
 <script setup name="TargetSystemLogin">
   import { ref, computed, getCurrentInstance, onMounted } from 'vue';
   import { doLogin, logout, getCurrentLoginInfo, autoLogin, queryLoginHistory, autoLoginByHistory } from "@/api/auth/register";
+  import { getCurrentEnvironment } from "@/api/setting/environment";
   import { ElMessage, ElMessageBox } from 'element-plus';
   import { 
     RefreshRight, User, SwitchButton, DocumentCopy, Switch, 
@@ -396,6 +405,8 @@
   const historyLoading = ref(false);
   const selectedHistoryId = ref(null);
   const autoLoginByHistoryLoading = ref(null);
+  const currentEnvironment = ref(null);
+  const environmentLoading = ref(false);
 
   const loginForm = ref({
     loginType: 'oauth2',
@@ -527,6 +538,7 @@ const handleLoginUrlPreset = (command) => {
   // --- 生命周期 ---
   // 需求点2：点击进入页面时，自动获取当前登录信息
   onMounted(() => {
+    handleGetCurrentEnvironment();
     handleGetCurrentInfo();
   });
 
@@ -584,6 +596,7 @@ const handleLoginTypeChange = () => {
           if (response.code === 200) {
             loginResult.value = response.data;
             ElMessage.success('登录成功');
+            await handleGetCurrentEnvironment();
           } else {
             loginResult.value = { success: false, errorCode: response.code, errorMessage: response.msg };
             ElMessage.error(response.msg || '登录失败');
@@ -610,6 +623,7 @@ const handleLoginTypeChange = () => {
       if (response.code === 200) {
         loginResult.value = response.data;
         ElMessage.success('自动登录成功');
+        await handleGetCurrentEnvironment();
       } else {
         ElMessage.error(response.msg || '自动登录失败');
       }
@@ -636,11 +650,20 @@ const handleLoginTypeChange = () => {
         } else {
           loginResult.value = response.data;
         }
+      } else if (response.code === 500) {
+        loginResult.value = null;
+        const historyResponse = await queryLoginHistory('target');
+        if (historyResponse.code === 200 && historyResponse.data && historyResponse.data.length > 0) {
+          ElMessage.warning('当前会话已过期，请重新登录');
+        } else {
+          ElMessage.info('当前未登录，请先登录');
+        }
       } else {
         loginResult.value = null;
       }
     } catch (error) {
       console.warn('Auto fetch info failed:', error);
+      loginResult.value = null;
     } finally {
       currentLoading.value = false;
     }
@@ -781,6 +804,23 @@ const handleLoginTypeChange = () => {
       autoLoginByHistoryLoading.value = null;
     }
   };
+
+  const handleGetCurrentEnvironment = async () => {
+    environmentLoading.value = true;
+    try {
+      const response = await getCurrentEnvironment('target');
+      if (response.code === 200 && response.data) {
+        currentEnvironment.value = response.data;
+      } else {
+        currentEnvironment.value = null;
+      }
+    } catch (error) {
+      console.warn('Get current environment failed:', error);
+      currentEnvironment.value = null;
+    } finally {
+      environmentLoading.value = false;
+    }
+  };
 </script>
 
 <style scoped>
@@ -846,6 +886,16 @@ const handleLoginTypeChange = () => {
   color: #303133;
 }
 
+.environment-info {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.tag-icon {
+  margin-right: 4px;
+}
+
 /* 左侧表单样式 */
 .full-width-radio {
   display: flex;