徐飞洋
3 months ago
6 changed files with 1066 additions and 5 deletions
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// pages/favorites/index.js
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const API = require('../../utils/api.js'); |
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Page({ |
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/** |
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* 页面的初始数据 |
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*/ |
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data: { |
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favoritesList: [], |
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loading: true, |
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hasFavorites: false, |
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// 图片预览相关状态
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showImagePreview: false, // 控制图片预览弹窗显示
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previewImageUrls: [], // 预览的图片URL列表
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previewImageIndex: 0, // 当前预览图片的索引
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// 图片缩放相关状态
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scale: 1, // 当前缩放比例
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lastScale: 1, // 上一次缩放比例
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startDistance: 0, // 双指起始距离
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doubleTapTimer: null, // 双击计时器
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lastTapTime: 0, // 上一次单击时间
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isScaling: false, // 是否正在缩放中
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offsetX: 0, // X轴偏移量
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offsetY: 0, // Y轴偏移量
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initialTouch: null // 初始触摸点
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}, |
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/** |
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* 生命周期函数--监听页面加载 |
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*/ |
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onLoad(options) { |
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this.loadFavorites(); |
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}, |
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/** |
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* 生命周期函数--监听页面初次渲染完成 |
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*/ |
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onReady() { |
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}, |
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/** |
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* 生命周期函数--监听页面显示 |
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*/ |
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onShow() { |
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// 每次显示页面时重新加载收藏列表
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this.loadFavorites(); |
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}, |
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/** |
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* 生命周期函数--监听页面隐藏 |
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*/ |
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onHide() { |
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}, |
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/** |
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* 生命周期函数--监听页面卸载 |
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*/ |
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onUnload() { |
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}, |
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/** |
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* 页面相关事件处理函数--监听用户下拉动作 |
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*/ |
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onPullDownRefresh() { |
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// 下拉刷新时重新加载收藏列表
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this.loadFavorites(true); |
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}, |
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/** |
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* 页面上拉触底事件的处理函数 |
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*/ |
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onReachBottom() { |
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}, |
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/** |
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* 用户点击右上角分享 |
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*/ |
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onShareAppMessage() { |
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}, |
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/** |
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* 加载收藏列表 |
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*/ |
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loadFavorites: function (isPullDown = false) { |
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this.setData({ |
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loading: true |
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}); |
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// 获取手机号码
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const phoneNumber = wx.getStorageSync('phoneNumber') || '18482694520'; // 默认使用测试手机号
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if (!phoneNumber) { |
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// 用户未登录，显示提示
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wx.showToast({ |
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title: '请先登录', |
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icon: 'none' |
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}); |
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this.setData({ |
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loading: false, |
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hasFavorites: false |
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}); |
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if (isPullDown) { |
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wx.stopPullDownRefresh(); |
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} |
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return; |
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} |
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API.getFavorites(phoneNumber).then(res => { |
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console.log('获取收藏列表成功:', res); |
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const favorites = res.data && res.data.favorites ? res.data.favorites : []; |
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this.setData({ |
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favoritesList: favorites, |
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hasFavorites: favorites.length > 0, |
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loading: false |
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}); |
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}).catch(err => { |
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console.error('获取收藏列表失败:', err); |
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wx.showToast({ |
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title: '获取收藏列表失败', |
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icon: 'none' |
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}); |
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this.setData({ |
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loading: false, |
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hasFavorites: false |
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}); |
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}).finally(() => { |
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// 停止下拉刷新
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if (isPullDown) { |
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wx.stopPullDownRefresh(); |
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} |
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}); |
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}, |
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/** |
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* 取消收藏 |
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*/ |
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cancelFavorite: function (e) { |
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const productId = e.currentTarget.dataset.productid; |
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wx.showLoading({ |
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title: '正在取消收藏', |
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mask: true |
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}); |
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API.cancelFavorite(productId).then(res => { |
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console.log('取消收藏成功:', res); |
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// 从收藏列表中移除该商品
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const updatedList = this.data.favoritesList.filter(item => item.productId !== productId); |
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this.setData({ |
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favoritesList: updatedList, |
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hasFavorites: updatedList.length > 0 |
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}); |
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wx.showToast({ |
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title: '取消收藏成功', |
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icon: 'success' |
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}); |
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}).catch(err => { |
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console.error('取消收藏失败:', err); |
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wx.showToast({ |
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title: '取消收藏失败', |
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icon: 'none' |
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}); |
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}).finally(() => { |
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wx.hideLoading(); |
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}); |
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}, |
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/** |
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* 跳转到商品详情页 |
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*/ |
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goToGoodsDetail: function (e) { |
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const productId = e.currentTarget.dataset.productid; |
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wx.navigateTo({ |
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url: '/pages/goods-detail/goods-detail?productId=' + productId |
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}); |
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}, |
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// 轮播图切换
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swiperChange(e) { |
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const current = e.detail.current; |
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const itemId = e.currentTarget.dataset.itemId; |
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// 更新对应商品项的currentImageIndex
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this.setData({ |
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[`favoritesList[${itemId}].currentImageIndex`]: current |
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}); |
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}, |
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// 预览图片
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previewImage(e) { |
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// 登录验证
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const userInfo = wx.getStorageSync('userInfo') || null; |
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const userId = wx.getStorageSync('userId') || null; |
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if (!userInfo || !userId) { |
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// 未登录，显示授权登录弹窗
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this.setData({ |
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showAuthModal: true, |
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pendingUserType: 'buyer' |
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}); |
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return; |
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} |
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// 已登录，执行图片预览
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const { urls, index } = e.currentTarget.dataset; |
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this.setData({ |
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showImagePreview: true, |
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previewImageUrls: urls, |
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previewImageIndex: parseInt(index) |
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}); |
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}, |
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// 关闭图片预览
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closeImagePreview() { |
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this.setData({ |
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showImagePreview: false |
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}); |
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this.resetZoom(); |
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}, |
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// 重置缩放状态
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resetZoom() { |
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this.setData({ |
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scale: 1, |
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lastScale: 1, |
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offsetX: 0, |
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offsetY: 0, |
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initialTouch: null |
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}); |
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}, |
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// 处理图片点击事件（单击/双击判断）
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handleImageTap(e) { |
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const currentTime = Date.now(); |
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const lastTapTime = this.data.lastTapTime; |
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// 判断是否为双击（300ms内连续点击）
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if (currentTime - lastTapTime < 300) { |
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// 双击事件
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if (this.data.doubleTapTimer) { |
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clearTimeout(this.data.doubleTapTimer); |
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} |
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// 切换放大/缩小状态
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const newScale = this.data.scale === 1 ? 2 : 1; |
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this.setData({ |
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scale: newScale, |
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lastScale: newScale, |
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offsetX: 0, |
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offsetY: 0, |
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lastTapTime: 0 // 重置双击状态
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}); |
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} else { |
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// 单击事件，设置延迟来检测是否会成为双击
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if (this.data.doubleTapTimer) { |
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clearTimeout(this.data.doubleTapTimer); |
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} |
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this.setData({ |
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lastTapTime: currentTime, |
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doubleTapTimer: setTimeout(() => { |
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// 确认是单击，关闭图片预览
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this.closeImagePreview(); |
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}, 300) |
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}); |
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} |
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}, |
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// 处理触摸开始事件
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handleTouchStart(e) { |
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const touches = e.touches; |
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if (touches.length === 1) { |
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// 单指：准备拖动
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this.setData({ |
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initialTouch: { |
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x: touches[0].clientX, |
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y: touches[0].clientY |
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} |
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}); |
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} else if (touches.length === 2) { |
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// 双指：记录起始距离，准备缩放
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const distance = this.calculateDistance(touches[0], touches[1]); |
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this.setData({ |
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startDistance: distance, |
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isScaling: true, |
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lastScale: this.data.scale |
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}); |
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} |
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}, |
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// 处理触摸移动事件
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handleTouchMove(e) { |
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const touches = e.touches; |
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if (touches.length === 1 && this.data.initialTouch && this.data.scale !== 1) { |
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// 单指拖动（只有在缩放状态下才允许拖动）
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const deltaX = touches[0].clientX - this.data.initialTouch.x; |
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const deltaY = touches[0].clientY - this.data.initialTouch.y; |
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// 计算新的偏移量
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let newOffsetX = this.data.offsetX + deltaX; |
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let newOffsetY = this.data.offsetY + deltaY; |
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// 边界限制
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const windowWidth = wx.getSystemInfoSync().windowWidth; |
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const windowHeight = wx.getSystemInfoSync().windowHeight; |
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const maxOffsetX = (windowWidth * (this.data.scale - 1)) / 2; |
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const maxOffsetY = (windowHeight * (this.data.scale - 1)) / 2; |
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newOffsetX = Math.max(-maxOffsetX, Math.min(maxOffsetX, newOffsetX)); |
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newOffsetY = Math.max(-maxOffsetY, Math.min(maxOffsetY, newOffsetY)); |
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this.setData({ |
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offsetX: newOffsetX, |
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offsetY: newOffsetY, |
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initialTouch: { |
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x: touches[0].clientX, |
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y: touches[0].clientY |
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} |
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}); |
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} else if (touches.length === 2) { |
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// 双指缩放
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const currentDistance = this.calculateDistance(touches[0], touches[1]); |
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const scale = (currentDistance / this.data.startDistance) * this.data.lastScale; |
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// 限制缩放范围在0.5倍到3倍之间
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const newScale = Math.max(0.5, Math.min(3, scale)); |
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this.setData({ |
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scale: newScale, |
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isScaling: true |
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}); |
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} |
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}, |
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// 处理触摸结束事件
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handleTouchEnd(e) { |
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this.setData({ |
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isScaling: false, |
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lastScale: this.data.scale, |
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initialTouch: null |
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}); |
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}, |
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// 计算两点之间的距离
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calculateDistance(touch1, touch2) { |
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const dx = touch2.clientX - touch1.clientX; |
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const dy = touch2.clientY - touch1.clientY; |
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return Math.sqrt(dx * dx + dy * dy); |
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}, |
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// 切换预览图片
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onPreviewImageChange(e) { |
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this.setData({ |
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previewImageIndex: e.detail.current |
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}); |
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this.resetZoom(); |
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} |
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}) |
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{ |
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"usingComponents": {}, |
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"navigationBarTitleText": "我的收藏" |
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} |
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@ -0,0 +1,114 @@ |
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<!--pages/favorites/index.wxml--> |
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<view class="container" style="align-items: flex-start; padding: 20rpx; width: 100%; max-width: 100vw; overflow-x: hidden; position: relative; box-sizing: border-box;"> |
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<!-- 加载状态 --> |
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<view wx:if="{{loading}}" class="loading-container"> |
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<loading> |
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加载中... |
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</loading> |
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</view> |
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<!-- 空状态 --> |
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<view wx:elif="{{!hasFavorites}}" class="empty-container"> |
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<view class="empty-icon">💔</view> |
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<text class="empty-text">您还没有收藏任何商品</text> |
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</view> |
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<!-- 收藏列表 --> |
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<view wx:else class="goods-list" style="width: 100%; display: flex; flex-direction: column; align-items: flex-start; min-height: 400rpx; margin-top: 120rpx;"> |
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<view wx:for="{{favoritesList}}" wx:key="productId" class="card" style="width: 100%; margin-top: 0; margin-bottom: 20rpx;"> |
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<!-- 图片和信息2:3比例并排显示，整体高度固定 --> |
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<view style="display: flex; width: 100%; height: 200rpx; border-radius: 8rpx; overflow: hidden; background-color: #f5f5f5;"> |
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<!-- 左侧图片区域 40%宽度（2/5），高度固定 --> |
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<view style="width: 40%; position: relative; height: 200rpx;"> |
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<!-- 第一张图片 --> |
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<view wx:if="{{item.Product && item.Product.imageUrls && item.Product.imageUrls.length > 0}}" style="width: 100%; height: 100%;"> |
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<image src="{{item.Product.imageUrls[0]}}" mode="aspectFill" style="width: 100%; height: 100%;" bindtap="previewImage" data-urls="{{item.Product.imageUrls}}" data-index="0"></image> |
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</view> |
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<view wx:else style="width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: #999;"> |
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<text>暂无图片</text> |
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</view> |
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<!-- 剩余图片可滑动区域 --> |
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<view wx:if="{{item.Product && item.Product.imageUrls && item.Product.imageUrls.length > 0}}" style="position: absolute; top: 0; left: 0; width: 100%; height: 100%;"> |
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<swiper |
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class="image-swiper" |
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style="width: 100%; height: 100%;" |
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current="{{item.currentImageIndex || 0}}" |
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bindchange="swiperChange" |
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data-item-id="{{index}}"> |
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<block wx:for="{{item.Product.imageUrls}}" wx:for-item="img" wx:for-index="idx" wx:key="idx"> |
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<swiper-item> |
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<image src="{{img}}" mode="aspectFill" style="width: 100%; height: 100%;" bindtap="previewImage" data-urls="{{item.Product.imageUrls}}" data-index="{{idx}}"></image> |
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</swiper-item> |
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</block> |
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</swiper> |
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<!-- 显示页码指示器 --> |
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<view style="position: absolute; bottom: 10rpx; right: 10rpx; background-color: rgba(0,0,0,0.5); color: white; padding: 5rpx 10rpx; border-radius: 15rpx; font-size: 20rpx;"> |
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{{(item.currentImageIndex || 0) + 1}}/{{item.Product.imageUrls.length}} |
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</view> |
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</view> |
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</view> |
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<!-- 右侧信息区域 60%宽度（3/5），相应调整 --> |
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<view style="width: 60%; display: flex; flex-direction: column; background-color: white; border-left: 1rpx solid #f0f0f0;"> |
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<!-- 上半部分商品信息区域（60%高度），可点击查看详情 --> |
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<view style="flex: 0.6; padding: 0rpx 15rpx 15rpx 15rpx; cursor: pointer;" bindtap="goToGoodsDetail" data-productid="{{item.productId}}"> |
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<view> |
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<view style="margin-bottom: 15rpx; margin-top: -5rpx;"> |
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<view style="display: inline-block; margin-right: 10rpx; font-size: 18rpx; color: #fff; background-color: #DAA520; padding: 2rpx 8rpx; border-radius: 10rpx; vertical-align: middle;">金标蛋</view> |
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<span style="vertical-align: middle; font-size: 36rpx; font-weight: bold;">{{item.Product.productName || '未命名商品'}}</span> |
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</view> |
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<view style="font-size: 28rpx; font-weight: bold; margin-top: 30rpx;"> |
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{{(item.Product.spec && item.Product.spec !== '无') ? item.Product.spec : (item.Product.specification && item.Product.specification !== '无') ? item.Product.specification : '无'}} | {{item.Product.yolk || '无'}} | {{item.Product.minOrder || item.Product.quantity || 1}}件 |
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</view> |
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</view> |
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</view> |
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<!-- 下半部分按钮区域（40%高度） --> |
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<view style="flex: 0.4; display: flex; justify-content: space-between; align-items: center; padding: 0 20rpx;"> |
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<!-- 价格显示 --> |
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<text style="color: #52c41a; font-size: 28rpx; font-weight: bold;">¥{{item.Product.price || 0}}</text> |
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<!-- 取消收藏按钮 --> |
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<button |
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style="background-color: #91c41aff; color: white; font-size: 24rpx; font-weight: bold; width: 150rpx; height: 60rpx; border-radius: 999rpx; display: flex; justify-content: center; align-items: center; padding: 0; border: none; margin: 0; background: none; background-color: #91c41aff;" |
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bindtap="cancelFavorite" |
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data-productid="{{item.productId}}" |
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> |
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取消收藏 |
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</button> |
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</view> |
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</view> |
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</view> |
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</view> |
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</view> |
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</view> |
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<!-- 图片预览弹窗 --> |
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<view class="image-preview-mask" wx:if="{{showImagePreview}}" style="position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, 0.9); display: flex; justify-content: center; align-items: center; z-index: 10001;" catchtouchmove="true"> |
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<view style="width: 100%; height: 100%; display: flex; justify-content: center; align-items: center;"> |
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<swiper |
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style="width: 100%; height: 100%;" |
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current="{{previewImageIndex}}" |
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bindchange="onPreviewImageChange" |
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indicator-dots="true" |
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indicator-color="rgba(255,255,255,0.5)" |
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indicator-active-color="#fff"> |
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<block wx:for="{{previewImageUrls}}" wx:key="*this"> |
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<swiper-item> |
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<image |
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src="{{item}}" |
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mode="aspectFit" |
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style="width: 100%; height: 100%; transform: scale({{scale}}) translate({{offsetX}}px, {{offsetY}}px); transition: {{isScaling ? 'none' : 'transform 0.3s'}};" |
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bindtap="handleImageTap" |
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bindtouchstart="handleTouchStart" |
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bindtouchmove="handleTouchMove" |
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bindtouchend="handleTouchEnd" |
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bindtouchcancel="handleTouchEnd" |
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></image> |
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</swiper-item> |
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</block> |
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</swiper> |
|||
<view style="position: absolute; top: 40rpx; right: 40rpx; color: white; font-size: 40rpx;"> |
|||
<text bindtap="closeImagePreview" style="background: rgba(0,0,0,0.5); padding: 10rpx 20rpx; border-radius: 50%;">×</text> |
|||
</view> |
|||
</view> |
|||
</view> |
|||
@ -0,0 +1,36 @@ |
|||
/* pages/favorites/index.wxss */ |
|||
.container { |
|||
min-height: 100vh; |
|||
background-color: #f5f5f5; |
|||
} |
|||
|
|||
.loading-container { |
|||
display: flex; |
|||
justify-content: center; |
|||
align-items: center; |
|||
height: 50vh; |
|||
} |
|||
|
|||
.empty-container { |
|||
display: flex; |
|||
flex-direction: column; |
|||
justify-content: center; |
|||
align-items: center; |
|||
height: 50vh; |
|||
color: #999; |
|||
} |
|||
|
|||
.empty-icon { |
|||
font-size: 100rpx; |
|||
margin-bottom: 20rpx; |
|||
} |
|||
|
|||
.empty-text { |
|||
font-size: 28rpx; |
|||
} |
|||
|
|||
/* 图片轮播样式 */ |
|||
.image-swiper { |
|||
width: 100%; |
|||
height: 100%; |
|||
} |
|||
Loading…
Reference in new issue