Page({
data: {
Total: 0,
FoodLength: 0,
lists: [
{
id: 0,
name: "套餐",
Food: [
{
name: "鱼香茄子1",
pay: 20,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 1
},
{
name: "鱼香茄子2",
pay: 19,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 2
},
{
name: "鱼香茄子3",
pay: 18,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 3
},
{
name: "鱼香茄子4",
pay: 17,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 4
}
],
},
{
id: 1,
name: "主食",
Food: [{
name: "黄焖鸡米饭1",
pay: 16,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 5
},
{
name: "黄焖鸡米饭2",
pay: 15,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 6
},
{
name: "黄焖鸡米饭3",
pay: 14,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 7
},
{
name: "黄焖鸡米饭4",
pay: 13,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 8
}
],
},
{
id: 2,
name: "小吃",
Food: [{
name: "薯条",
pay: 12,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 9
},
{
name: "薯条2",
pay: 11,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 10
},
{
name: "薯条3",
pay: 10,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 11
},
{
name: "薯条4",
pay: 9,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 12
}
]
},
{
id: 3,
name: "饮品",
Food: [{
name: "可乐",
pay: 8,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 13
},
{
name: "雪碧",
pay: 7,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 14
},
{
name: "可碧",
pay: 6,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 15
},
{
name: "雪乐",
pay: 5,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 16
},
]
},
{
id: 4,
name: "特价",
Food: [{
name: "特价1",
pay: 4,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 17
},
{
name: "特价2",
pay: 3,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 18
},
{
name: "特价3",
pay: 2,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 19
},
{
name: "特价4",
pay: 1,
text: '好喝',
Sold: 20,
Number: 0,
FoodId: 20
}
],
}
],
indexId: 0,
winHeight: 0,
PayList: [],
cart: false,
bg: false,
scrollTopId: '',
curNav: '',
winHeight: 0,
heightArr: [],
forindex: true,
zindex: 0
},
GoPay(){
if(this.data.PayList.length== 0){
wx.showToast({
title: '你还没有点餐',
image: '../statc/1.jpg',
duration: 2000
})
}else{
let l = JSON.stringify(this.data.PayList)
let p = this.data.Total
wx.navigateTo({
url: '/pages/confirm/confirm?PayList='+l+'&pay='+p
})
}
},
jumpIndex(e) {
var id = e.currentTarget.dataset.id
let index = e.currentTarget.dataset.index;
this.setData({
scrollTopId: id,
curNav: index
})
},
PayList() {
this.setData({
cart: !this.data.cart,
bg: !this.data.bg
})
},
onScroll(e) {
var that = this;
var h = 0;
var heightArr = [];
let show = that.data.forindex
let index = that.data.zindex
let scrollTop = e.detail.scrollTop
let scrollArr = that.data.heightArr
wx.createSelectorQuery().selectAll('.Box1').boundingClientRect(function(rect) { //selectAll会选择所要含有该类名的盒子
}).exec(function(res) {
res[0].forEach((item) => {
h += item.height-100;
heightArr.push(h);
})
that.setData({
heightArr: heightArr
})
});
for (let i = 0; i < scrollArr.length; i++) {
if (scrollTop >= 0 && scrollTop < scrollArr[0]) {
if (show) {
that.setData({
curNav: 0,
forindex: false,
zindex: 0
})
return
}
} else if (scrollTop >= (scrollArr[i - 1]) && scrollTop < scrollArr[i]) {
that.setData({
curNav: i,
forindex: true,
zindex: 1
})
}
}
},
clearPayList(list) {
var that = this
let aa = that.data.lists.length - 1
for (var i = 0; i <= aa; i++) {
let bb = that.data.lists[i].Food.length - 1
for (var j = 0; j <= bb; j++) {
that.data.lists[i].Food[j].Number = 0
}
}
that.setData({
'PayList': [],
FoodLength: 0,
Total: 0,
lists: that.data.lists,
cart: false,
bg: false
});
},
//减数量
RmTotal(e) {
var that = this
var index = e.currentTarget.dataset.itemIndex;
var parentIndex = e.currentTarget.dataset.parentindex;
this.data.lists[parentIndex].Food[index].Number--;
var mark = 'a' + index + 'b' + parentIndex
var price = this.data.lists[parentIndex].Food[index].pay;
var num = this.data.lists[parentIndex].Food[index].Number;
var name = this.data.lists[parentIndex].Food[index].name;
var Id = this.data.lists[parentIndex].Food[index].FoodId;
var obj = {
pay: price,
Number: num,
mark: mark,
name: name,
index: index,
parentIndex: parentIndex,
FoodId: Id
};
var carArray1 = this.data.PayList.filter(item => item.mark != mark)
carArray1.push(obj)
this.setData({
PayList: carArray1,
lists: this.data.lists
})
if (that.data.PayList.length > 1) {
that.Relist();
}
this.calTotalPrice();
},
//计算总价
calTotalPrice() {
var carArray = this.data.PayList;
var totalPrice = 0;
var totalCount = 0;
for (var i = 0; i < carArray.length; i++) {
totalPrice += carArray[i].pay * carArray[i].Number;
totalCount += carArray[i].Number
}
this.setData({
Total: totalPrice,
FoodLength: totalCount,
});
},
Relist() {
var that = this
let aa = that.data.PayList.length - 1
let flag = false
for (let i = 0; i < aa; i++) {
for (let j = aa; j > i; j--) {
//每次都把最小的元素放在最前面
if (that.data.PayList[j].Number > that.data.PayList[j - 1].Number) {
let temp = that.data.PayList[j];
that.data.PayList[j] = that.data.PayList[j - 1];
that.data.PayList[j - 1] = temp;
flag = true;
that.setData({
PayList: that.data.PayList
在线点餐快速结账预定的微信小程序模板下载.zip （23个子文件） 
ZB2020111720 order-DEMO-master 
sitemap.json 191B pages Order Order.js 9KB Order.wxss 4KB Order.wxml 3KB Order.json 3B confirm confirm.wxss 1KB confirm.wxml 2KB confirm.json 27B confirm.js 1KB statc 
1.jpg 11KB icon 
关闭.png 9KB 个人.png 9KB 清空.png 4KB 主页1.png 4KB 个人1.png 5KB 购物车.png 5KB 主页.png 4KB app.json 113B project.config.json 1KB app.js 89B utils util.js 472B app.wxss 194B sitemap35.json 191B资源评论
