修复分类商品显示问题，添加筛选自动刷新

pages/index/index.js

@@ -20,7 +20,6 @@ Page({
     currentY: 0,
     sidebarBtnTop: 500,
     sidebarBtnHidden: false,
-    userManuallyHidden: false,
     
     // 搜索区域相关
     searchSectionVisible: true,
@@ -42,6 +41,7 @@ Page({
     filteredGoods: [],
     leftColumnGoods: [],
     rightColumnGoods: [],
+    categorizedGoods: {}, // 按品种分类存储的商品数据
     selectedCategory: '全部',
     categories: ['全部', '粉壳', '红壳', '绿壳', '白壳'],
     loadingMore: false,
@@ -129,19 +129,14 @@ Page({
     // 如果当前不在顶部，点击则隐藏按钮
     if (this.data.lastScrollTop > 50) {
       this.setData({
-        sidebarBtnHidden: true,
+        sidebarBtnHidden: true
-        userManuallyHidden: true
       });
       wx.setStorageSync('sidebarBtnHidden', true);
-      wx.setStorageSync('userManuallyHidden', true);
     } else {
-      const newHiddenState = !this.data.sidebarBtnHidden;
       this.setData({
-        sidebarBtnHidden: newHiddenState,
+        sidebarBtnHidden: !this.data.sidebarBtnHidden
-        userManuallyHidden: newHiddenState
       });
-      wx.setStorageSync('sidebarBtnHidden', newHiddenState);
+      wx.setStorageSync('sidebarBtnHidden', !this.data.sidebarBtnHidden);
-      wx.setStorageSync('userManuallyHidden', newHiddenState);
     }
   },
   
@@ -194,17 +189,13 @@ Page({
     
     if (Math.abs(diffY) > screenHeight / 3) {
       this.setData({
-        sidebarBtnTop: -100, // 隐藏按钮
+        sidebarBtnTop: -100 // 隐藏按钮
-        sidebarBtnHidden: true,
-        userManuallyHidden: true
       });
       wx.setStorageSync('sidebarBtnTop', -100);
       wx.setStorageSync('sidebarBtnHidden', true);
-      wx.setStorageSync('userManuallyHidden', true);
     } else {
       wx.setStorageSync('sidebarBtnTop', this.data.sidebarBtnTop);
       wx.setStorageSync('sidebarBtnHidden', false);
-      wx.setStorageSync('userManuallyHidden', false);
     }
     
     this.setData({
@@ -230,7 +221,6 @@ Page({
     
     const savedBtnTop = wx.getStorageSync('sidebarBtnTop');
     const savedBtnHidden = wx.getStorageSync('sidebarBtnHidden');
-    const savedUserManuallyHidden = wx.getStorageSync('userManuallyHidden');
     
     let defaultTop = screenHeight * 0.5;
     if (savedBtnTop !== '' && savedBtnTop !== -100) {
@@ -243,14 +233,30 @@ Page({
     
     this.setData({
       sidebarBtnTop: defaultTop,
-      sidebarBtnHidden: savedBtnHidden || false,
+      sidebarBtnHidden: false,
-      userManuallyHidden: savedUserManuallyHidden || false,
       isSearchBarFullyHidden: false,
       lastScrollTop: 0
     });
     this.checkAndRestoreLoginStatus()
-    this.loadCategories()
+    
-    this.loadGoods()
+    API.getProductCategories().then(categories => {
+      console.log('加载分类成功, categories:', JSON.stringify(categories));
+      if (categories && categories.length > 0) {
+        this.setData({
+          categories: categories
+        });
+        console.log('分类列表已设置到data, categories:', this.data.categories);
+      } else {
+        console.log('分类列表为空，使用默认分类');
+      }
+      
+      // 确保有分类数据后再加载商品
+      this.loadGoods();
+    }).catch(err => {
+      console.error('加载分类失败:', err);
+      // 即使分类加载失败也加载商品，使用默认分类
+      this.loadGoods();
+    });
     
     // 计算搜索区域高度
     setTimeout(() => {
@@ -521,26 +527,41 @@ Page({
       updatedGoods = newGoods
     }
     
-    const filteredGoods = this.applyFilters(updatedGoods, false)
+    // 按品种分类存储商品数据
-    console.log('===== 筛选结果 =====')
+    const categorizedGoods = this.data.categorizedGoods || {};
-    console.log('当前选中的分类:', this.data.selectedCategory)
+    const categories = this.data.categories;
-    console.log('filteredGoods 数量:', filteredGoods.length)
+    
-    console.log('filteredGoods[0]:', filteredGoods[0] ? JSON.stringify(filteredGoods[0], null, 2) : 'N/A')
+    // 重置所有分类的商品列表
-    if (filteredGoods.length > 0) {
+    categories.forEach(cat => {
-      console.log('filteredGoods[0].category:', filteredGoods[0] ? filteredGoods[0].category : 'N/A')
+      if (cat === '全部') {
+        categorizedGoods[cat] = updatedGoods;
+      } else {
+        const categoryGoods = updatedGoods.filter(item => item.isAd || item.category === cat);
+        categorizedGoods[cat] = categoryGoods;
       }
-    if (filteredGoods.length > 1) {
+    });
-      console.log('filteredGoods[1].category:', filteredGoods[1] ? filteredGoods[1].category : 'N/A')
+    
+    // 应用地区筛选后的分类数据
+    const filteredByRegion = this.applyRegionFilter(updatedGoods);
+    categories.forEach(cat => {
+      if (cat !== '全部') {
+        categorizedGoods[cat + '_filtered'] = filteredByRegion.filter(item => item.isAd || item.category === cat);
+      }
+    });
+    
+    // 根据当前选中的分类和地区筛选获取商品
+    let filteredGoods;
+    if (this.data.selectedRegion !== '全国') {
+      filteredGoods = categorizedGoods[this.data.selectedCategory + '_filtered'] || [];
+    } else {
+      filteredGoods = categorizedGoods[this.data.selectedCategory] || [];
     }
     
     const { leftColumnGoods, rightColumnGoods } = this.distributeToColumns(filteredGoods)
-    console.log('leftColumnGoods 数量:', leftColumnGoods.length)
-    console.log('rightColumnGoods 数量:', rightColumnGoods.length)
-    console.log('leftColumnGoods[0]:', leftColumnGoods[0])
-    console.log('rightColumnGoods[0]:', rightColumnGoods[0])
     
     this.setData({
       goods: updatedGoods,
+      categorizedGoods: categorizedGoods,
       filteredGoods: filteredGoods,
       leftColumnGoods: leftColumnGoods,
       rightColumnGoods: rightColumnGoods,
@@ -729,6 +750,15 @@ Page({
     })
   },
   
+  // 应用地区筛选
+  applyRegionFilter: function(goods) {
+    if (this.data.selectedRegion === '全国') {
+      return goods;
+    }
+    const selectedRegion = this.data.selectedRegion;
+    return goods.filter(item => item.isAd || (item.region && item.region.includes(selectedRegion)));
+  },
+  
   // 刷新商品列表
   refreshGoodsList: function() {
     this.setData({
@@ -924,15 +954,37 @@ Page({
       app.globalData.showTabBar = true;
     }
     
-    const filteredGoods = this.applyFilters(this.data.goods, false)
+    // 从本地分类数据中获取基础商品列表
-    const groupedGoods = this.groupGoodsForStaggeredLayout(filteredGoods)
+    const categorizedGoods = this.data.categorizedGoods || {};
-    const { leftColumnGoods, rightColumnGoods } = this.distributeToColumns(filteredGoods)
+    let baseGoods;
+    
+    if (this.data.selectedRegion !== '全国') {
+      baseGoods = categorizedGoods[this.data.selectedCategory + '_filtered'] || [];
+    } else {
+      baseGoods = categorizedGoods[this.data.selectedCategory] || [];
+    }
+    
+    // 在本地数据上进行关键词搜索
+    let filteredGoods = [...baseGoods];
+    
+    if (this.data.searchKeyword) {
+      const keyword = this.data.searchKeyword.toLowerCase();
+      filteredGoods = filteredGoods.filter(item => 
+        item.isAd || 
+        (item.name || '').toLowerCase().includes(keyword) || 
+        (item.region || '').toLowerCase().includes(keyword)
+      );
+    }
+    
+    const groupedGoods = this.groupGoodsForStaggeredLayout(filteredGoods);
+    const { leftColumnGoods, rightColumnGoods } = this.distributeToColumns(filteredGoods);
+    
     this.setData({
       filteredGoods: filteredGoods,
       groupedGoods: groupedGoods,
       leftColumnGoods: leftColumnGoods,
       rightColumnGoods: rightColumnGoods
-    })
+    });
   },
   
   // 切换地区选择器
@@ -946,34 +998,42 @@ Page({
   selectRegion: function(e) {
     const region = e.currentTarget.dataset.region
     
-    // 立即关闭弹窗
     this.setData({
       selectedRegion: region,
       showRegionPicker: false
     })
     
-    // 重新显示tabBar
     const app = getApp();
     if (app && app.globalData) {
       app.globalData.showTabBar = true;
     }
     
-    // 如果从局部地区切换到全国地区，重新加载所有商品
+    const categorizedGoods = this.data.categorizedGoods || {};
-    if (region === '全国' && this.data.selectedCategory === '全部' && !this.data.searchKeyword) {
+    let filteredGoods;
-      // 重新加载商品数据
+    
-      this.refreshGoodsList();
+    if (region === '全国') {
+      filteredGoods = categorizedGoods[this.data.selectedCategory] || [];
     } else {
-      // 否则仅对本地商品进行筛选
+      filteredGoods = categorizedGoods[this.data.selectedCategory + '_filtered'] || [];
-      const filteredGoods = this.applyFilters(this.data.goods, false)
+    }
-      const groupedGoods = this.groupGoodsForStaggeredLayout(filteredGoods)
+    
+    if (filteredGoods.length === 0 && Object.keys(categorizedGoods).length === 0) {
+      this.setData({
+        page: 1,
+        hasMoreData: true
+      }, () => {
+        this.loadGoods();
+      });
+      return;
+    }
+    
     const { leftColumnGoods, rightColumnGoods } = this.distributeToColumns(filteredGoods)
+    
     this.setData({
       filteredGoods: filteredGoods,
-        groupedGoods: groupedGoods,
       leftColumnGoods: leftColumnGoods,
       rightColumnGoods: rightColumnGoods
     })
-    }
   },
   
   // 阻止事件冒泡
@@ -983,7 +1043,6 @@ Page({
   
   // 选择品种
   selectCategory: function(e) {
-    // 重新显示tabBar
     const app = getApp();
     if (app && app.globalData) {
       app.globalData.showTabBar = true;
@@ -991,23 +1050,37 @@ Page({
     
     const category = e.currentTarget.dataset.category
     if (category === this.data.selectedCategory) {
-      return // 如果选择的分类和当前相同，不重复加载
+      return
+    }
+    
+    const categorizedGoods = this.data.categorizedGoods || {};
+    let filteredGoods;
+    
+    if (this.data.selectedRegion !== '全国') {
+      filteredGoods = categorizedGoods[category + '_filtered'] || [];
+    } else {
+      filteredGoods = categorizedGoods[category] || [];
     }
     
+    if (filteredGoods.length === 0 && Object.keys(categorizedGoods).length === 0) {
       this.setData({
         selectedCategory: category,
         page: 1,
-      hasMoreData: true,
+        hasMoreData: true
-      goods: [],
+      }, () => {
-      filteredGoods: [],
+        this.loadGoods();
-      leftColumnGoods: [],
+      });
-      rightColumnGoods: [],
+      return;
-      loadingMore: false,
+    }
-      isLoading: true
-    })
     
-    // 重新从服务器加载数据
+    const { leftColumnGoods, rightColumnGoods } = this.distributeToColumns(filteredGoods)
-    this.loadGoods(false)
+    
+    this.setData({
+      selectedCategory: category,
+      filteredGoods: filteredGoods,
+      leftColumnGoods: leftColumnGoods,
+      rightColumnGoods: rightColumnGoods
+    })
   },
   
   // 查看商品详情
@@ -1137,8 +1210,7 @@ Page({
     // 搜索框始终固定显示，不做隐藏处理
     
     // 侧边栏按钮显示逻辑
-    // 如果用户手动隐藏过，滚动到顶部也不再自动显示
+    if (scrollTop <= threshold && this.data.sidebarBtnHidden) {
-    if (scrollTop <= threshold && this.data.sidebarBtnHidden && !this.data.userManuallyHidden) {
       updates.sidebarBtnHidden = false;
       needUpdate = true;
       wx.setStorageSync('sidebarBtnHidden', false);