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