// pages/cart/cart.js
var postData = require("../../data/post-data.js");
Page({
data: {
cartListShow: true,
showModal: false,
postList: postData.postList
},
onLoad: function (options) {
//this.setData({
// postList: postData.postList
//});
if (this.data.postList.length < 1) {
this.setData({
showModal: true
});
}
},
plus: function (e) {
var that = this;
var index = e.currentTarget.dataset.index;
var num = that.data.postList[index].num;
if (num > 1) {
num--;
} else {
wx.showModal({
title: '',
content: '是否删除此菜品?',
success: function (res) {
if (res.confirm) {
carts.splice(index, 1);
that.setData({
postList: carts
});
if (that.data.postList.length < 1) {
that.setData({
cartListShow: false,
showModal: true
});
}
} else if (res.cancel) {
return;
}
}
})
}
var carts = that.data.postList;
carts[index].num = num;
that.setData({
postList: carts
});
//this.data.postList[index].num;
},
add: function (e) {
var index = e.currentTarget.dataset.index;
var num = this.data.postList[index].num;
num++;
var carts = this.data.postList;
carts[index].num = num;
this.setData({
postList: carts
});
},
delThisFood: function (e) {
var that = this;
var index = e.currentTarget.dataset.index;
var carts = that.data.postList;
wx.showModal({
title: '',
content: '是否删除此菜品?',
success: function (res) {
if (res.confirm) {
carts.splice(index, 1);
that.setData({
postList: carts
});
if (that.data.postList.length < 1) {
that.setData({
cartListShow: false,
showModal: true
});
}
} else if (res.cancel) {
return;
}
}
})
}
})
微信小程序开发-十二路外卖点餐案例源码.zip
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2021-12-12
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微信小程序开发-十二路外卖点餐案例源码.zip （50个子文件） 
十二路外卖点餐 
临时资源.zip 1.27MB weixin-order pages cart 
cart.wxml 1KB cart.wxss 3KB cart.js 2KB cart.json 2B index index.wxml 6KB index.js 1KB index.json 63B index.wxss 2KB user user.wxml 1KB user.js 1KB user.wxss 2KB user.json 2B nopay nopay.wxml 4KB nopay.json 28B nopay.js 333B nopay.wxss 3KB logs logs.json 54B logs.js 187B logs.wxml 188B logs.wxss 106B app.json 958B app.js 772B image 
2.jpg 75KB 1.jpg 112KB 3.jpg 101KB 4.jpg 115KB data post-data.js 888B utils util.js 460B app.wxss 222B images 
footer_btn_1.png 4KB search_cart.png 4KB search_none.png 6KB footer_btn_3_active.png 5KB 1.jpg 53KB plus_gray.png 2KB footer_btn_2.png 4KB add.png 626B del.png 3KB footer_btn_2_active.png 4KB footer_btn_1_active.png 4KB cart_none.png 6KB add_gray.png 2KB xq_nrrow_right.png 827B search_ico_small.png 602B footer_btn_3.png 5KB food.jpg 11KB xq_nrrow_left.png 661B close_btn.png 2KB search_ico.png 1KB资源评论
