8/14修改

library_system/src/components/BookCard.vue

@@ -14,6 +14,7 @@
           {{ book.state }}
         </el-tag>
         <span>阅读量: {{ book.number }}次</span>
+        <el-button @click="$emit('borrow')">借阅</el-button>
       </div>
     </div>
   </el-card>

library_system/src/store/index.js

@@ -28,9 +28,41 @@ export default createStore({
       state.balance = 0
       state.vipLevel = 0
       state.borrowedBooks = []
+    },
+    removeBorrowedBook(state, title) {
+      state.borrowedBooks = state.borrowedBooks.filter(book => book.title !== title)
+    },
+    setSessionInitialized(state, value) {
+      state.sessionInitialized = value
     }
   },
   actions: {
+    async initSession({ commit, dispatch }) {
+      try {
+        // 静默获取用户信息
+        const userData = await service.get('/user/getinfo', {
+          silent: true // 避免未登录时显示错误
+        })
+        
+        if (userData && userData.username) {
+          commit('setUser', {
+            username: userData.username,
+            pic: userData.pic || '',
+            admin: userData.admin || false
+          })
+          
+          // 获取关联信息
+          await dispatch('fetchBalanceAndVip')
+          await dispatch('fetchBorrowedBooks')
+        }
+      } catch (error) {
+        console.log('未检测到有效会话')
+      } finally {
+        commit('setSessionInitialized', true)
+      }
+    },
+
+
     // 用户登录
     async login({ dispatch }, { username, password }) {
       const response = await service.post('/user/login', 
@@ -89,12 +121,15 @@ export default createStore({
     },
     
     // 获取余额和VIP等级 
-    async fetchBalanceAndVip({ commit }) {
+async fetchBalanceAndVip({ commit }) {
   try {
     const response = await service.post('/user/findmoney')
     
+    // 确保从 response.data 获取数据
+    const resData = response.data || {}
+    const message = resData.message || ''
+    
     // 解析消息提取余额和VIP等级
-        const message = response.data.message || ''
     const balanceMatch = message.match(/余额为：(\d+\.\d+)元/)
     const vipMatch = message.match(/当前VIP等级为：(\d+)/)
     
@@ -105,28 +140,32 @@ export default createStore({
       })
     } else {
       console.error('无法解析余额信息:', message)
-          // 尝试从数据字段获取
+      // 尝试从数据字段获取（虽然接口返回data为null，但保留此逻辑以防后端变更）
-          if (response.data.data) {
+      if (resData.data) {
         commit('setBalanceAndVip', {
-              balance: parseFloat(response.data.data.balance) || 0,
+          balance: parseFloat(resData.data.balance) || 0,
-              vip: parseInt(response.data.data.vipLevel) || 0
+          vip: parseInt(resData.data.vipLevel) || 0
         })
+      } else {
+        // 添加调试日志
+        console.log('完整响应数据:', resData)
       }
     }
     
-        return response.data
+    return resData
   } catch (error) {
     console.error('获取余额失败:', error)
     throw error
   }
-    },
+},
     
     // 账户充值 
-    async recharge(_, { money }) {
+    async recharge({ dispatch }, { money }) { // 添加 { dispatch } 解构
       const response = await service.post('/user/recharge', 
         `money=${money}`,
         { headers: { 'Content-Type': 'application/x-www-form-urlencoded' } }
       )
+      
       // 充值后刷新余额
       await dispatch('fetchBalanceAndVip')
       return response.data
@@ -159,24 +198,28 @@ export default createStore({
 },
     
    // 租借书籍 
-    async borrowBook(_, { title }) {
+async borrowBook({ dispatch }, { title }) {
   const response = await service.post('/borrow/borrowbook', 
     `title=${encodeURIComponent(title)}`,
     { headers: { 'Content-Type': 'application/x-www-form-urlencoded' } }
   )
   
+  // 借书后刷新用户信息
+  await dispatch('fetchUser')
   return response.data
-    },
+},
 
-    // 归还书籍 
+// 归还书籍 
-    async returnBook(_, { title }) {
+async returnBook({ dispatch }, { title }) {
   const response = await service.post('/borrow/returnbook', 
     `title=${encodeURIComponent(title)}`,
     { headers: { 'Content-Type': 'application/x-www-form-urlencoded' } }
   )
   
+  // 还书后刷新用户信息
+  await dispatch('fetchUser')
   return response.data
-    },
+},
    
     // 查询全部书籍 - 符合接口文档
     async fetchBooks(_, params = {}) {
@@ -217,21 +260,23 @@ export default createStore({
     },
     
     // 根据书名查单本书 - 符合接口文档
-     async fetchBookByTitle(_, title) {
+     async fetchBookByTitle(_, payload) { // 接收 payload 对象
+  const { title } = payload; // 解构出 title
   const response = await service.get('/api/selectone', {
-        params: { title }
+    params: { title } // 正确传递查询参数
   })
   
   // 处理不同响应格式
-      let book = null
+  let bookData = null
   if (response.data) {
-        book = response.data.data || response.data
+    // 适配不同后端响应结构
+    bookData = response.data.data || response.data
   } else {
-        book = response
+    bookData = response
   }
   
-      return { data: book }
+  return { data: bookData }
-    },
+},
     
     // 新增书籍 
     async addBook(_, bookData) {

library_system/src/views/Books/BookDetail.vue

@@ -56,7 +56,7 @@ const route = useRoute()
 const router = useRouter()
 const store = useStore()
 
-const bookTitle = route.params.title
+const bookTitle = ref(route.params.title)
 const book = ref(null)
 
 const isAdmin = computed(() => store.getters.isAdmin)
@@ -67,19 +67,20 @@ onMounted(async () => {
 
 const fetchBook = async () => {
   try {
-    const response = await store.dispatch('fetchBookByTitle', bookTitle)
+    // 使用路由参数中的 bookTitle
+    const response = await store.dispatch('fetchBookByTitle', { title: bookTitle })
     book.value = response.data
   } catch (error) {
     console.error('获取书籍详情失败:', error)
     ElMessage.error('获取书籍详情失败')
     // 预设数据
     book.value = {
-      id: bookId,
+      id: bookTitle, // 使用标题作为ID
-      title: '示例书籍',
+      title: 111, // 使用路由参数
       url: 'https://picsum.photos/id/24/300/400',
       money: 5.00,
       number: 8,
-      content: '这是一本示例书籍，用于展示书籍详情页面的效果。包含了书籍的基本信息和详细介绍，用户可以在这里查看书籍的具体内容并进行借阅操作。',
+      content: `无法获取《${bookTitle}》的详细信息，显示示例数据`,
       state: '维护中',
     }
   }

library_system/src/views/Books/BookList.vue

@@ -102,6 +102,11 @@ const fetchBooks = async () => {
   } catch (error) {
     console.error('获取书籍列表失败:', error)
     ElMessage.error('获取书籍列表失败')
+     books.value = [
+       { id: 1, title: '三体', url: 'https://picsum.photos/id/24/200/300', money: 5, number: 12, state: '正常', content: '科幻' },
+      { id: 2, title: '人类简史', url: 'https://picsum.photos/id/25/200/300', money: 4, number: 10, state: '正常', content: '历史' },
+      { id: 3, title: '百年孤独', url: 'https://picsum.photos/id/26/200/300', money: 6, number: 0, state: '维护中', content: '文学' },
+        ]
    
     total.value = books.value.length
   }

library_system/src/views/Borrow/BorrowBook.vue

@@ -22,7 +22,7 @@
           v-for="book in books" 
           :key="book.id" 
           :book="book"
-          @click="handleBorrow(book)" />
+          @borrow="handleBorrow(book)" />
       </div>
       
       <div class="pagination">

library_system/src/views/Borrow/ReturnBook.vue

@@ -73,7 +73,9 @@
     try {
       await store.dispatch('returnBook', { title: book.title })
       ElMessage.success(`《${book.title}》归还成功`)
+      store.commit('removeBorrowedBook', book.title)
       await fetchBorrowedBooks()
+      
     } catch (error) {
       console.error('归还失败:', error)
       ElMessage.error(error.message || '归还失败')