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git/scr/food/pages/detail/detail.js

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// pages/detail/detail.js
const db = wx.cloud.database({});
const cont = db.collection('food');
const app=getApp()
Page({
/**
* 页面的初始数据
*/
data: {
detailObj: {},
list:[],
clockresult:[],
userid:null,
num:null,
commentlist:[
{
name:"Wbb",
comment:"好吃,强推"
},
{
name:"Wbb",
comment:"快两点半有点困"
},
]
},
/**
* 生命周期函数--监听页面加载
*/
onLoad: function (options) {
let foodid =options.id
var userid=app.globalData.openid
console.log('1111w ');
console.log(userid)
this.setData({
userid:userid
})
cont.doc(foodid).get({
success: res => {
console.log(res.data)
//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
this.setData({
detailObj: res.data,
})
}
})
},
// 渲染数据
async addCar(event) {
let detailObj= event.currentTarget.dataset.item;
let num=this.data.num
num=num+1
const checks=false
console.log(num)
detailObj.num=num
detailObj.checks=checks
console.log(detailObj)
var userid=app.globalData.openid
db.collection('user').where({
"_openid":userid
}).update({
data:{
cartlist:db.command.push(detailObj)
},
})
db.collection('user').where({
"_openid":userid
}).get({
success: res => {
console.log(res.data)}
})
wx.showToast({
title: '加入购物车成功',
icon: 'success',
duration: 2000
})
},
async immeBuy(event){
var index = event.currentTarget.dataset.item;
console.log(index);
var detailObj=this.data.detailObj
var Selection=[]
var num=1
detailObj.num=num
Selection.push(detailObj)
var total=detailObj.price
wx.navigateTo({
url:'/pages/paying/paying?info='+JSON.stringify(Selection)+'&totalprice='+total
})
},
/**
* 生命周期函数--监听页面初次渲染完成
*/
onReady() {
},
/**
* 生命周期函数--监听页面显示
*/
onShow() {
},
/**
* 生命周期函数--监听页面隐藏
*/
onHide() {
},
/**
* 生命周期函数--监听页面卸载
*/
onUnload() {
},
/**
* 页面相关事件处理函数--监听用户下拉动作
*/
onPullDownRefresh() {
},
/**
* 页面上拉触底事件的处理函数
*/
onReachBottom() {
},
/**
* 用户点击右上角分享
*/
onShareAppMessage() {
}
})