// 获取到小程序实例
var app = getApp();
Page({
da
ta: {
shop:{
name:'味觉牛庄',
desc:'凡在本店办理会员，一律享受8.8折优惠'
},
goods: {
1: {
id: 1,
name: '果盘3',
pic: 'http://img1.gtimg.com/health/pics/hv1/138/79/2068/134491983.jpg',
sold: 1014,
price: 120
},
2: {
id: 2,
name: '龙舌兰',
pic: 'http://img1.gtimg.com/health/pics/hv1/138/79/2068/134491983.jpg',
sold: 1029,
price: 100
},
3: {
id: 3,
name: '方便面',
pic: 'http://img1.gtimg.com/health/pics/hv1/138/79/2068/134491983.jpg',
sold: 1030,
price: 5
},
4: {
id: 4,
name: '粉丝',
pic: 'http://img1.gtimg.com/health/pics/hv1/138/79/2068/134491983.jpg',
sold: 1059,
price: 5
},
5: {
id: 5,
name: '果盘1',
pic: 'http://img1.gtimg.com/health/pics/hv1/138/79/2068/134491983.jpg',
sold: 1029,
price: 130
},
6: {
id: 6,
name: '果盘2',
pic: 'http://img1.gtimg.com/health/pics/hv1/138/79/2068/134491983.jpg',
sold: 1064,
price: 150
},
7: {
id: 7,
name: '锐澳',
pic: 'http://img1.gtimg.com/health/pics/hv1/138/79/2068/134491983.jpg',
sold: 814,
price: 200
},
8: {
id: 8,
name: '尊尼获加',
pic: 'http://img1.gtimg.com/health/pics/hv1/138/79/2068/134491983.jpg',
sold: 124,
price: 220
},
9: {
id: 9,
name: '芝士华',
pic: 'http://img1.gtimg.com/health/pics/hv1/138/79/2068/134491983.jpg',
sold: 102,
price: 300
}
},
goodsList: [
{
id: 'hot',
classifyName: '热销',
goods: [1, 2, 3, 4, 5]
},
{
id: 'new',
classifyName: '小吃',
goods: [1, 3]
},
{
id: 'vegetable',
classifyName: '果盘',
goods: [1, 6, 5]
},
{
id: 'mushroom',
classifyName: '鸡尾酒',
goods: [1, 7, 8, 9]
},
{
id: 'food',
classifyName: '主食',
goods: [3, 4]
}
],
cart: {
count: 0,
total: 0,
list: {}
},
cartList:{},
showCartDetail: false
},
// 生命周期函数--监听页面加载
// 一个页面只会调用一次。
onLoad: function (options) {
var that = this
//调用应用实例的方法获取全局数据
app.getUserInfo(function(userInfo){
//更新数据
that.setData({
userInfo: userInfo
});
that.update();
console.log(userInfo)
});
},
// 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
// 每次打开页面都会调用一次
onShow: function () {
this.setData({
classifySeleted: this.data.goodsList[0].id
});
},
// 生命周期函数--监听页面隐藏
// 当navigateTo或底部tab切换时调用
onHide: function(){},
// 生命周期函数--监听页面卸载
// 当redirectTo或navigateBack的时候调用。
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(){},
// 开发者可以添加任意的函数或数据到
// object 参数中，在页面的函数中用 this 可以访问
checkOrderSame: function(name){
var list = this.data.goods;
for(var index in list){
if(list[index].name === name){
return index;
}
}
return false;
},
tapAddCart: function (e) {
this.addCart(e.target.dataset.id);
},
tapReduceCart: function (e) {
this.reduceCart(e.target.dataset.id);
},
addCart: function (id) {
var num = this.data.cart.list[id] || 0;
this.data.cart.list[id] = num + 1;
this.countCart();
var price = this.data.goods[id].price;
var name = this.data.goods[id].name;
var img = this.data.goods[id].pic;
var list = this.data.cartList;
var sortedList = [];
var index;
if(index = this.checkOrderSame(name)){
sortedList = list[index];
var num = this.data.cart.list[id] || 0;
num = num + 1;
}
else{
var order = {
"price" : price,
"num" : 1,
"name": name,
'img': img,
"shopId": this.data.shopId,
"shopName": this.data.shop.restaurant_name,
"pay": 0,
}
list.push(order);
sortedList = order;
}
this.setData({
cartList: list,
});
console.log(list)
},
reduceCart: function (id) {
var num = this.data.cart.list[id] || 0;
if (num <= 1) {
delete this.data.cart.list[id];
} else {
this.data.cart.list[id] = num - 1;
}
this.countCart();
},
countCart: function (index,lists) {
var count = 0,
total = 0;
var goods;
for (var id in this.data.cart.list) {
goods = this.data.goods[id];
count += this.data.cart.list[id];
total += goods.price * this.data.cart.list[id];
}
this.data.cart.count = count;
this.data.cart.total = total;
this.setData({
cart: this.data.cart
});
// 存储订单页所需要的数据
wx.setStorage({
key: 'orderList',
da
ta: {
count: this.data.cart.count,
total: this.data.cart.total,
list: this.data.cart.list,
}
})
},
follow: function () {
this.setData({
followed: !this.data.followed
});
},
onGoodsScroll: function (e) {
if (e.detail.scrollTop > 10 && !this.data.scrollDown) {
this.setData({
scrollDown: true
});
} else if (e.detail.scrollTop < 10 && this.data.scrollDown) {
this.setData({
scrollDown: false
});
}
var scale = e.detail.scrollWidth / 570,
scrollTop = e.detail.scrollTop / scale,
h = 0,
classifySeleted,
len = this.data.goodsList.length;
this.data.goodsList.forEach(function (classify, i) {
var _h = 70 + classify.goods.length * (46 * 3 + 20 * 2);
if (scrollTop >= h - 100 / scale) {
classifySeleted = classify.id;
}
h += _h;
});
this.setData({
classifySeleted: classifySeleted
});
},
tapClassify: function (e) {
var id = e.target.dataset.id;
this.setData({
classifyViewed: id
});
var self = this;
setTimeout(function () {
self.setData({
classifySeleted: id
});
}, 100);
},
showCartDetail: function () {
this.setData({
showCartDetail: !this.data.showCartDetail
});
},
hideCartDetail: function () {
this.setData({
showCartDetail: false
});
},
submit: function (e) {
var agrs = JSON.stringify(this.data.cart);
console.log(agrs)
wx.navigateTo({
url: 'https://download.csdn.net/download/order/order?order=' + agrs
})
}
});
