1

src/components/GlobalMessage.vue

@@ -2,7 +2,7 @@
   <v-snackbar
     v-model="snackbar"
     :color="colors[message?.type] || colors.info"
-    :timeout="4000"
+    :timeout="2000"
     location="bottom"
     class="global-snackbar"
     multi-line
@@ -21,7 +21,7 @@
 </template>
 
 <script>
-import { defineComponent, ref, onBeforeUnmount } from 'vue';
+import { defineComponent, ref, onBeforeUnmount, nextTick } from 'vue';
 import messageService from '@/utils/message';
 
 export default defineComponent({
@@ -44,8 +44,12 @@ export default defineComponent({
       info: 'info'
     };
 
-    const unsubscribe = messageService?.onSnackbar?.((msg) => {
+    const unsubscribe = messageService?.onSnackbar?.(async (msg) => {
       if (!msg) return;
+      if (snackbar.value) {
+        snackbar.value = false;
+        await nextTick();
+      }
       message.value = msg;
       snackbar.value = true;
     });

src/components/MessageLog.vue

@@ -1,49 +1,37 @@
 <template>
   <v-navigation-drawer v-model="drawer" location="right" temporary width="400">
     <v-toolbar color="primary">
-      <v-toolbar-title>
-        消息记录
-        <v-chip v-if="unreadCount" color="error" size="x-small" class="ml-2">
-          {{ unreadCount }}
-        </v-chip>
-      </v-toolbar-title>
+      <v-toolbar-title>消息记录</v-toolbar-title>
       <template #append>
-        <v-btn icon="mdi-delete" variant="text" color="white" @click="clear" />
+        <v-btn icon="mdi-delete" variant="text" @click="clearMessages" />
       </template>
     </v-toolbar>
 
-    <v-list class="pa-4">
-      <template v-if="visibleMessages.length">
-        <v-slide-y-transition group>
-          <v-list-item
-            v-for="msg in visibleMessages"
-            :key="msg.id"
-            :active="!msg.read"
-            class="mb-3"
-            rounded
-            @click="markAsRead(msg.id)"
-          >
-            <template #prepend>
-              <v-icon :icon="icons[msg.type]" :color="colors[msg.type]" size="20" />
-            </template>
+    <v-list>
+      <v-list-item v-for="msg in messages" :key="msg.id" rounded>
+        <template #prepend>
+          <v-icon :icon="icons[msg.type]" :color="colors[msg.type]" size="20" />
+        </template>
 
-            <div class="d-flex flex-column flex-grow-1 px-3">
-              <v-list-item-title>{{ msg.title }}</v-list-item-title>
-              <v-list-item-subtitle v-if="msg.content">{{ msg.content }}</v-list-item-subtitle>
-              <span class="text-caption text-grey">{{ new Date(msg.timestamp).toLocaleTimeString() }}</span>
-            </div>
+        <v-list-item-title>{{ msg.title }}</v-list-item-title>
+        <v-list-item-subtitle v-if="msg.content">{{
+          msg.content
+        }}</v-list-item-subtitle>
+        <span class="text-caption text-grey">
+          {{ new Date(msg.timestamp).toLocaleTimeString() }}
+        </span>
 
-            <template #append>
-              <v-btn icon="mdi-delete" variant="text" size="small" @click.stop="deleteMessage(msg.id)" />
-            </template>
-          </v-list-item>
-        </v-slide-y-transition>
+        <template #append>
+          <v-btn
+            icon="mdi-delete"
+            variant="text"
+            size="small"
+            @click="deleteMessage(msg.id)"
+          />
+        </template>
+      </v-list-item>
 
-        <v-btn v-if="hasMore" variant="tonal" block class="mt-4" @click="loadMore">
-          加载更多
-        </v-btn>
-      </template>
-      <v-list-item v-else>
+      <v-list-item v-if="!messages.length">
         <template #prepend>
           <v-icon icon="mdi-inbox" color="grey" />
         </template>
@@ -54,58 +42,43 @@
 </template>
 
 <script>
-import { defineComponent, ref, computed, onBeforeUnmount } from 'vue';
-import messageService from '@/utils/message';
+import { defineComponent, ref } from "vue";
+import messageService from "@/utils/message";
 
 export default defineComponent({
-  name: 'MessageLog',
+  name: "MessageLog",
   setup() {
     const drawer = ref(false);
     const messages = ref([]);
-    const unreadCount = ref(0);
-    const page = ref(1);
-    const PAGE_SIZE = 20;
-
-    const visibleMessages = computed(() => messages.value.slice(0, page.value * PAGE_SIZE));
-    const hasMore = computed(() => visibleMessages.value.length < messages.value.length);
 
     const icons = {
-      success: 'mdi-check-circle',
-      error: 'mdi-alert-circle',
-      warning: 'mdi-alert',
-      info: 'mdi-information'
+      success: "mdi-check-circle",
+      error: "mdi-alert-circle",
+      warning: "mdi-alert",
+      info: "mdi-information",
     };
 
     const colors = {
-      success: 'success',
-      error: 'error',
-      warning: 'warning',
-      info: 'primary'
+      success: "success",
+      error: "error",
+      warning: "warning",
+      info: "primary",
     };
 
-    const unsubscribe = messageService?.onLog?.(msgs => {
-      if (!msgs) return;
-      messages.value = msgs.reverse();
-      unreadCount.value = messageService.getUnreadCount();
+    messageService.onLog((msgs) => {
+      if (msgs) {
+        messages.value = msgs;
+      }
     });
 
-    onBeforeUnmount(() => unsubscribe?.());
-
     return {
       drawer,
-      unreadCount,
-      visibleMessages,
-      hasMore,
+      messages,
       icons,
       colors,
-      loadMore: () => page.value++,
-      markAsRead: id => messageService?.markAsRead?.(id),
-      deleteMessage: id => messageService?.deleteMessage?.(id),
-      clear: () => {
-        messageService?.clearMessages?.();
-        messages.value = [];
-      }
+      deleteMessage: (id) => messageService.deleteMessage(id),
+      clearMessages: () => messageService.clearMessages(),
     };
-  }
+  },
 });
 </script>

src/pages/settings.vue

@@ -275,23 +275,6 @@
 
                 <v-divider class="my-2" />
 
-                <v-list-item>
-                  <template #prepend>
-                    <v-icon icon="mdi-database" class="mr-3" />
-                  </template>
-                  <v-list-item-title>禁用消息日志记录</v-list-item-title>
-                  <v-list-item-subtitle>关闭保存消息到本地存储的功能</v-list-item-subtitle>
-                  <template #append>
-                    <v-switch
-                      v-model="settings.developer.disableMessageLog"
-                      density="comfortable"
-                      hide-details
-                    />
-                  </template>
-                </v-list-item>
-
-                <v-divider class="my-2" />
-
                 <v-expand-transition>
                   <div v-if="settings.developer.showDebugConfig">
                     <v-divider class="my-2" />
@@ -404,8 +387,7 @@ export default {
       },
       developer: {
         enabled: getSetting('developer.enabled'),
-        showDebugConfig: getSetting('developer.showDebugConfig'),
-        disableMessageLog: getSetting('developer.disableMessageLog')
+        showDebugConfig: getSetting('developer.showDebugConfig')
       },
       message: {
         showSidebar: getSetting('message.showSidebar'),

src/utils/db.js

@@ -0,0 +1,104 @@
+const DB_NAME = 'homeworkboard';
+const DB_VERSION = 1;
+const LOG_STORE = 'message_logs';
+
+class LogDB {
+  constructor() {
+    this.db = null;
+    this.ready = this.initDB();
+  }
+
+  async initDB() {
+    try {
+      this.db = await new Promise((resolve, reject) => {
+        const request = indexedDB.open(DB_NAME, DB_VERSION);
+
+        request.onerror = () => reject(request.error);
+        request.onsuccess = () => resolve(request.result);
+        request.onupgradeneeded = (event) => {
+          const db = event.target.result;
+          if (!db.objectStoreNames.contains(LOG_STORE)) {
+            const store = db.createObjectStore(LOG_STORE, {
+              keyPath: 'id'
+            });
+            // 只保留时间和类型索引
+            store.createIndex('timestamp', 'timestamp');
+            store.createIndex('type', 'type');
+          }
+        };
+      });
+      return true;
+    } catch (error) {
+      console.error('初始化日志数据库失败:', error);
+      return false;
+    }
+  }
+
+  async ensureDB() {
+    if (!this.db) {
+      await this.ready;
+    }
+    if (!this.db) {
+      throw new Error('数据库未初始化');
+    }
+  }
+
+  async addLog(message) {
+    await this.ensureDB();
+
+    return new Promise((resolve, reject) => {
+      const transaction = this.db.transaction([LOG_STORE], 'readwrite');
+      const store = transaction.objectStore(LOG_STORE);
+
+      const request = store.add(message);
+
+      transaction.oncomplete = () => resolve(request.result);
+      transaction.onerror = () => reject(transaction.error);
+    });
+  }
+
+  async getLogs(limit = 20) {
+    await this.ensureDB();
+
+    return new Promise((resolve, reject) => {
+      const transaction = this.db.transaction([LOG_STORE], 'readonly');
+      const store = transaction.objectStore(LOG_STORE);
+      const index = store.index('timestamp');
+
+      const request = index.getAll(null, limit);
+
+      request.onsuccess = () => resolve(request.result.reverse());
+      request.onerror = () => reject(request.error);
+    });
+  }
+
+  async deleteLog(messageId) {
+    await this.ensureDB();
+
+    return new Promise((resolve, reject) => {
+      const transaction = this.db.transaction([LOG_STORE], 'readwrite');
+      const store = transaction.objectStore(LOG_STORE);
+
+      const request = store.delete(messageId);
+
+      transaction.oncomplete = () => resolve(true);
+      transaction.onerror = () => reject(transaction.error);
+    });
+  }
+
+  async clearLogs() {
+    await this.ensureDB();
+
+    return new Promise((resolve, reject) => {
+      const transaction = this.db.transaction([LOG_STORE], 'readwrite');
+      const store = transaction.objectStore(LOG_STORE);
+
+      const request = store.clear();
+
+      transaction.oncomplete = () => resolve(true);
+      transaction.onerror = () => reject(transaction.error);
+    });
+  }
+}
+
+export default new LogDB();

src/utils/message.js

@@ -1,3 +1,6 @@
+import logDB from './db';
+import { getSetting } from './settings';
+
 const messages = [];
 let snackbarCallback = null;
 let logCallback = null;
@@ -15,79 +18,27 @@ const defaultOptions = {
   addToLog: true
 };
 
-const STORAGE_KEY = 'classworks_messages';
-const MAX_MESSAGES = 100; // 最大消息数量
-const MAX_STORAGE_SIZE = 1024 * 1024; // 1MB 存储限制
-
-// 加载保存的消息
-function loadStoredMessages() {
-  try {
-    const stored = localStorage.getItem(STORAGE_KEY);
-    if (stored) {
-      messages.push(...JSON.parse(stored));
-    }
-  } catch (error) {
-    console.error('加载消息历史失败:', error);
-  }
-}
-
-// 清理旧消息
-function cleanOldMessages() {
-  if (messages.length > MAX_MESSAGES) {
-    messages.splice(MAX_MESSAGES);
-  }
-}
-
-// 检查存储大小
-function checkStorageSize(data) {
-  try {
-    const size = new Blob([data]).size;
-    return size <= MAX_STORAGE_SIZE;
-  } catch (error) {
-    console.error('检查存储大小失败:', error);
-    return false;
-  }
-}
-
-// 保存消息到localStorage
-function saveMessages() {
-  try {
-    cleanOldMessages();
-    const data = JSON.stringify(messages);
-
-    if (!checkStorageSize(data)) {
-      // 如果数据太大，删除一半的旧消息
-      messages.splice(Math.floor(messages.length / 2));
-      return saveMessages();
-    }
-
-    localStorage.setItem(STORAGE_KEY, data);
-  } catch (error) {
-    if (error.name === 'QuotaExceededError') {
-      // 如果存储空间不足，清理一些旧消息再试
-      messages.splice(Math.floor(messages.length / 2));
-      return saveMessages();
-    }
-    console.error('保存消息历史失败:', error);
-  }
-}
-
-function createMessage(type, title, content = '', options = {}) {
+async function createMessage(type, title, content = '', options = {}) {
   const msgOptions = { ...defaultOptions, ...options };
   const message = {
     id: Date.now() + Math.random(),
     type,
     title,
-    content: content.substring(0, 500), // 限制内容长度
-    timestamp: new Date(),
-    read: false
+    content: content.substring(0, 500),
+    timestamp: new Date()
   };
 
   if (msgOptions.addToLog) {
-    messages.unshift(message); // 新消息添加到开头
-    cleanOldMessages();
-    saveMessages();
-    logCallback?.(messages);
+    try {
+      await logDB.addLog(message);
+      messages.unshift(message);
+      while (messages.length > getSetting('message.maxActiveMessages')) {
+        messages.pop();
+      }
+      logCallback?.(messages);
+    } catch (error) {
+      console.error('保存日志失败:', error);
+    }
   }
 
   if (msgOptions.showSnackbar) {
@@ -97,7 +48,6 @@ function createMessage(type, title, content = '', options = {}) {
   return message;
 }
 
-// 添加防抖函数实现
 function debounce(fn, delay) {
   let timer = null;
   return function (...args) {
@@ -119,35 +69,37 @@ export default {
   },
   onSnackbar: (callback) => { snackbarCallback = callback; },
   onLog: (callback) => { logCallback = callback; },
-  getMessages: () => [...messages],
-  clearMessages: () => {
-    messages.length = 0;
+  getMessages: async () => {
     try {
-      localStorage.removeItem(STORAGE_KEY);
+      return await logDB.getLogs();
     } catch (error) {
-      console.error('清除消息历史失败:', error);
+      console.error('获取日志失败:', error);
+      return [...messages];
+    }
+  },
+  clearMessages: async () => {
+    try {
+      await logDB.clearLogs();
+      messages.length = 0;
+      logCallback?.(messages);
+    } catch (error) {
+      console.error('清除日志失败:', error);
     }
   },
   MessageType,
-  markAsRead: (messageId) => {
-    const message = messages.find(m => m.id === messageId);
-    if (message) {
-      message.read = true;
-      saveMessages();
+  markAsRead: () => {}, // 移除标记已读功能
+  deleteMessage: async (messageId) => {
+    try {
+      await logDB.deleteLog(messageId);
+      const index = messages.findIndex(m => m.id === messageId);
+      if (index !== -1) {
+        messages.splice(index, 1);
+      }
       logCallback?.(messages);
+    } catch (error) {
+      console.error('删除消息失败:', error);
     }
   },
-  deleteMessage: (messageId) => {
-    const index = messages.findIndex(m => m.id === messageId);
-    if (index !== -1) {
-      messages.splice(index, 1);
-      saveMessages();
-      logCallback?.(messages);
-    }
-  },
-  getUnreadCount: () => messages.filter(m => !m.read).length,
-  initialize: () => {
-    loadStoredMessages();
-  },
-  debounce,  // 导出防抖函数
+  getUnreadCount: () => 0, // 移除未读计数
+  debounce,
 };

src/utils/settings.js

@@ -110,11 +110,11 @@ const settingsDefinitions = {
     default: false,
     description: "是否显示调试配置",
   },
-  // 新增的配置项：禁止将消息日志记录到localStorage
-  "developer.disableMessageLog": {
+  "developer.disableMessageLog": {  // 添加新的设置项
     type: "boolean",
     default: false,
-    description: "是否禁用将消息日志记录到localStorage",
+    description: "禁用消息日志记录",
+    requireDeveloper: true,
   },
 
   // 消息设置
@@ -263,8 +263,7 @@ function logSettingsChange(key, oldValue, newValue) {
 
   const shouldLog =
     settingsCache['developer.enabled'] &&
-    settingsCache['developer.showDebugConfig'] &&
-    !settingsCache['developer.disableMessageLog'];
+    settingsCache['developer.showDebugConfig'];
 
   if (shouldLog) {
     console.log(`[Settings] ${key}:`, {