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const db = wx.cloud.database({});
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const cont = db.collection('food');
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const $ = db.command.aggregate
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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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foodlist:[],
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tabs: ['主食', '甜品', '小吃','吃得快','辣','甜','清淡'],
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cateList:[]
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},
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tabSelect:function(e){
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var current = e.currentTarget.dataset.id
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this.setData({
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current:current
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})
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},
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//分类
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geCateListe(){
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db.collection('food').aggregate()
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.group({
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_id: '$tab'
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})
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.end()
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.then(res => {
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console.log('食物列表', res)
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this.setData({
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foodList: res.list
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})
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})
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},
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//跳转详情页
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toDetail: function (event) {
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// 获取 event 事件对象
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// 获取点击对应的下标
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const index = event.currentTarget.dataset.id
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console.log(event)
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//抓取id进行赋
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//wx.navigateTo 会触发页面隐藏onHide
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console.log('11111')
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wx.navigateTo({
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url:'/pages/detail/detail?id='+ index,
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})
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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: function (options) {
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var _this = this;
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const db = wx.cloud.database({
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//这个是环境ID不是环境名称
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env: 'cloud1-8g5wmepxce8a3b8a'
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})
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//2、开始查询数据了 news对应的是集合的名称
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db.collection('food').get({
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//如果查询成功的话
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success: res => {
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console.log(res.data)
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//这一步很重要，给ne赋值，没有这一步的话，前台就不会显示值
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this.setData({
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foodlist: res.data
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})
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}
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})
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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: function () {
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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: function () {
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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: function () {
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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: function () {
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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: function () {
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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: function () {
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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: function () {
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}
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})
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