基于微信小程序云开发的在线图书销售微信小程序（95分以上高分课程设计）.zip

// pages/book/book.js const app = getApp() Page({ /** * 页面的初始数据 */ data: { bookinfo: [], imageflag: true, wordflag: true, tab: 'synopsis', scroll: 0, flag: false, commentsList: [], nflag: false, options:{} }, confirmComment: function (e) { var comment = e.detail.value var username wx.request({ url: 'http://47.104.235.126:3000/user/queryUserById', data: { id: app.globalData.user_id }, success: (res) => { console.log(res) var username = res.data[0].username wx.request({ url: 'http://47.104.235.126:3000/user/comment', data: { username: username, bookid: this.data.bookinfo.id, comment: comment, }, success: (res) => { wx.showToast({ title: '评论成功', icon: "success" }) this.book(this.data.options) } }) } }) console.log(comment) }, buy: function () { console.log(this.data.bookinfo.id) if (app.globalData.user_id == 0) { wx.showToast({ title: '请先登录', icon: 'error' }) } else { wx.request({ url: 'http://47.104.235.126:3000/user/buy', data: { userid: app.globalData.user_id, bookid: this.data.bookinfo.id }, success: (res) => { wx.showToast({ title: '购买成功', icon: 'success' }) this.setData({ flag: true }) } }) } }, onPageScroll: function (e) { this.setData({ scroll: e.scrollTop }) }, jump: function (e) { this.setData({ tab: e.currentTarget.dataset.item }) wx.createSelectorQuery().select('.' + this.data.tab).boundingClientRect(res => { wx.pageScrollTo({ duration: 500, scrollTop: res.top }) }).exec() }, changeflag: function () { this.setData({ imageflag: !this.data.imageflag, wordflag: !this.data.wordflag }) }, /** * 生命周期函数--监听页面加载 */ onLoad: function (options) { console.log(options) this.setData({ options:options }) wx.request({ url: 'http://47.104.235.126:3000/book/getBookInfoById', data: { id: options.bookid }, success: (res) => { this.setData({ bookinfo: res.data[0] }) console.log(this.data.bookinfo) //控制购买按钮 wx.request({ url: 'http://47.104.235.126:3000/user/queryuser_book', data: { bookid: this.data.bookinfo.id, userid: app.globalData.user_id }, success: (res) => { if (res.data.length > 0) { this.setData({ flag: true }) } } }) } }) this.book(options) }, book: function (options) { wx.request({ url: 'http://47.104.235.126:3000/book/bookComments', data: { bookid: options.bookid }, success: (res) => { this.setData({ commentsList: res.data }) if (res.data.length == 0) { this.setData({ nflag: true }) } console.log(res) console.log(this.data.commentsList) } }) }, /** * 生命周期函数--监听页面初次渲染完成 */ onReady: function () { }, /** * 生命周期函数--监听页面显示 */ onShow: function () { }, /** * 生命周期函数--监听页面隐藏 */ onHide: function () { }, /** * 生命周期函数--监听页面卸载 */ onUnload: function () { }, /** * 页面相关事件处理函数--监听用户下拉动作 */ onPullDownRefresh: function () { }, /** * 页面上拉触底事件的处理函数 */ onReachBottom: function () { }, /** * 用户点击右上角分享 */ onShareAppMessage: function () { } })