feat: add site config cached

service/settings_service/cache.go

@@ -0,0 +1,74 @@
+package settings_service
+
+import (
+	"sync"
+	"time"
+)
+
+// SiteConfigCache 站点配置缓存
+type SiteConfigCache struct {
+	data      map[string]string
+	lastUpdate time.Time
+	mutex     sync.RWMutex
+}
+
+var siteConfigCache = &SiteConfigCache{
+	data: make(map[string]string),
+}
+
+// GetSiteConfigCache 获取站点配置缓存
+func GetSiteConfigCache() map[string]string {
+	siteConfigCache.mutex.RLock()
+	defer siteConfigCache.mutex.RUnlock()
+	
+	// 返回缓存的副本，避免外部修改
+	result := make(map[string]string)
+	for k, v := range siteConfigCache.data {
+		result[k] = v
+	}
+	return result
+}
+
+// SetSiteConfigCache 设置站点配置缓存
+func SetSiteConfigCache(data map[string]string) {
+	siteConfigCache.mutex.Lock()
+	defer siteConfigCache.mutex.Unlock()
+	
+	// 清空现有缓存
+	siteConfigCache.data = make(map[string]string)
+	
+	// 设置新数据
+	for k, v := range data {
+		siteConfigCache.data[k] = v
+	}
+	
+	// 更新缓存时间
+	siteConfigCache.lastUpdate = time.Now()
+}
+
+// ClearSiteConfigCache 清除站点配置缓存
+func ClearSiteConfigCache() {
+	siteConfigCache.mutex.Lock()
+	defer siteConfigCache.mutex.Unlock()
+	
+	siteConfigCache.data = make(map[string]string)
+	siteConfigCache.lastUpdate = time.Time{}
+}
+
+// IsSiteConfigCacheValid 检查缓存是否有效（可选：可以设置缓存过期时间）
+func IsSiteConfigCacheValid() bool {
+	siteConfigCache.mutex.RLock()
+	defer siteConfigCache.mutex.RUnlock()
+	
+	// 如果缓存为空，认为无效
+	if len(siteConfigCache.data) == 0 {
+		return false
+	}
+	
+	// 可以在这里添加缓存过期逻辑，比如缓存5分钟后过期
+	// if time.Since(siteConfigCache.lastUpdate) > 5*time.Minute {
+	//     return false
+	// }
+	
+	return true
+}

service/settings_service/settings.go

@@ -31,6 +31,13 @@ func (us *UserSettings) EditUserPasswd() error {
 
 // GetUserSetting 获取用户设置
 func (us *UserSettings) GetUserSetting(section string) (map[string]string, error) {
+	// 如果是site_config，优先从缓存获取
+	if section == constant.SiteSettingSectionName {
+		if IsSiteConfigCacheValid() {
+			return GetSiteConfigCache(), nil
+		}
+	}
+	
 	result := make(map[string]string)
 	settings, err := models.GetSettingBySection(section)
 	if err != nil {
@@ -39,6 +46,12 @@ func (us *UserSettings) GetUserSetting(section string) (map[string]string, error
 	for _, setting := range settings {
 		result[setting.Key] = setting.Value
 	}
+	
+	// 如果是site_config，更新缓存
+	if section == constant.SiteSettingSectionName {
+		SetSiteConfigCache(result)
+	}
+	
 	// 版本信息单独获取
 	if section == constant.AboutSectionName {
 		result = constant.LatestVersion
@@ -64,6 +77,10 @@ func (us *UserSettings) EditSettings(section string, key string, value string, c
 			Key:     key,
 			Value:   value,
 		})
+		// 如果是site_config，清除缓存
+		if section == constant.SiteSettingSectionName {
+			ClearSiteConfigCache()
+		}
 		return err
 	} else {
 		if value == "" {
@@ -79,6 +96,10 @@ func (us *UserSettings) EditSettings(section string, key string, value string, c
 			cronService := cron_service.CronService{}
 			cronService.UpdateLogsCronRun(value)
 		}
+		// 如果是site_config，清除缓存
+		if section == constant.SiteSettingSectionName {
+			ClearSiteConfigCache()
+		}
 		return err
 	}
 }

web/src/components/pages/settings/SiteSettings.vue

@@ -108,7 +108,7 @@ export default {
 
           <!-- 站点图标 -->
           <div class="space-y-2">
-            <label class="text-sm font-medium text-gray-700">站点图标</label>
+            <label class="text-sm font-medium text-gray-700">站点图标(只支持svg文本)</label>
             <Input v-model="state.logo" placeholder="请输入自定义的网站logo（svg文本）" />
             <!-- SVG预览 -->
             <div v-if="state.logo" class="mt-2 p-3 border border-gray-200 rounded-md bg-gray-50">