UNIAPP practical project notes 70 front-end and back-end interaction of deleting items from shopping cart
Ideas
You need to use vuex
to pass the id value to the backend and delete the shopping cart data with the specified id.
Case screenshot
Shopping cart product editing page
code
Backend code index.js
var express = require('express');
var router = express.Router();
var connection = require('../db/sql.js');
var user = require('../db/UserSql.js');
const jwt = require('jsonwebtoken');// 生成token秘钥
// 验证码
let code = '';
// 接入短信的sdk
// var QcloudSms = require('qcloudsms_js');
//设置跨域访问（设置在所有的请求前面即可）
router.all("*", function (req, res, next) {
//设置允许跨域的域名，*代表允许任意域名跨域
res.header("Access-Control-Allow-Origin", "*");
//允许的header类型,X-Requested-With
res.header("Access-Control-Allow-Headers", "Appid,Secret,Access-Token,token,Content-Type,Origin,User-Agent,DNT,Cache-Control,X-Requested-With");
//跨域允许的请求方式
res.header("Access-Control-Allow-Methods", "DELETE,PUT,POST,GET,OPTIONS");
// res.header("Access-Control-Allow-Methods", "*");
res.header("Content-Type", "application/json;chartset=utf-8");
// if (req.method == 'OPTIONS')
// res.sendStatus(200); //让options尝试请求快速结束
// else
next();
});
/* GET home page. */
router.get('/', function(req, res, next) {
res.send({
data:{
aaa:'1111'
}
});
// res.render('index', { title: 'Express' });
});
/* 测试token数据. */
router.post('/api/ceshi', function(req, res, next) {
console.log(111);
res.send({
data:{
aaa:'1111'
}
});
});
/* 修改当前用户购物车商品数量 */
router.post('/api/deleteCart', function(req, res, next) {
let goodsId = req.body.goods_id;//商品id
// console.log(`delete from goods_cart where id in (${goodsId.join(',')})`);
connection.query( `delete from goods_cart where id in (${
goodsId.join(',')})`,function(error,results, fields){
res.json({
data:{
success:true
}
})
})
})
/* 修改当前用户购物车商品数量 */
router.post('/api/addCart', function(req, res, next) {
let token = req.headers.token;
let phone = jwt.decode(token);
let goodsId = req.body.goods_id;//商品id
let num = req.body.num;//前端传过来用户输入的产品数量
connection.query( `select * from user where phone = ${
phone.name}`,function(error,results, fields){
let userId = results[0].id;
connection.query( `select * from goods_search where id = ${
goodsId}`,function(error1,results1, fields1){
console.log(error1,results1);
let name = results1[0].name;
let imgUrl = results1[0].imgUrl;
let pprice = results1[0].pprice;
// 查询当前用户之前是否添加过这个商品
connection.query( `select * from goods_cart where uid = ${
userId} and goods_id = ${
goodsId}`,function(error2,results2, fields12){
console.log(error2,results2);
if(results2.length > 0){
// 如果当前用户之前加入过本商品,就直接增加数量
connection.query(`update goods_cart set num = replace(num,${
results2[0].num},${
parseInt(num) + parseInt(results2[0].num)}) where id = ${
results2[0].id}`,function(error4,results4){
console.log(error4,results4);
res.json({
data:{
success:"加入成功"
}
})
})
}else{
// 如果当前用户之前没有加入过本商品需要添加进入
connection.query(
`insert into goods_cart (uid,goods_id,name,imgUrl,pprice,num) values ("${
userId}","${
goodsId}","${
name}","${
imgUrl}","${
pprice}","${
num}")`,
function(error3,results3){
res.json({
data:{
success:"加入成功"
}
})
});
}
});
});
});
});
/* 修改当前用户购物车商品数量 */
router.post('/api/updateCart', function(req, res, next) {
let token = req.headers.token;
let phone = jwt.decode(token);
let goodsId = req.body.goodsId;//商品id
let num = req.body.num;//前端传过来用户输入的产品数量
connection.query( `select * from user where phone = ${
phone.name}`,function(error,results, fields){
let userId = results[0].id;
connection.query( `select * from goods_cart where uid = ${
userId} and goods_id = ${
goodsId}`,function(error1,results1, fields1){
// console.log(results1);
let goods_num = results1[0].num;//数据库中当前的数量
let id = results1[0].id;//当前id号
// 修改替换
connection.query(`update goods_cart set num = replace(num,${
goods_num},${
num}) where id = ${
id}`,function(error2,results2){
res.json({
data:{
success:true
}
})
})
});
});
});
/* 获取当前用户购物车列表 */
router.post('/api/selectCart', function(req, res, next) {
let token = req.headers.token;
let phone = jwt.decode(token);
connection.query( `select * from user where phone = ${
phone.name}`,function(error,results, fields){
let userId = results[0].id;
connection.query( `select * from goods_cart where uid = ${
userId}`,function(error1,results1, fields1){
res.json({
data:results1
});
});
});
});
/* 当前用户修改收货地址 */
router.post('/api/updateAddress', function(req, res, next) {
let token = req.headers.token;
let phone = jwt.decode(token);
let name = req.body.name;
let tel = req.body.tel;
let province = req.body.province;
let city = req.body.city;
let district = req.body.district;
let address = req.body.address;
let isDefault = req.body.isDefault;
let id = req.body.id;
connection.query( `select * from user where phone = ${
phone.name}`,function(error,results, fields){
let userId = results[0].id;
// 默认地址处理,当前用户只能有一个默认地址
connection.query(`select * from address where userid=${
userId} and isDefault = ${
isDefault}`,function(err2,res2,fields2){
let childId = results[0].id;
connection.query(`update address set isDefault = replace(isDefault,"1","0") where userid=${
childId}`,function(err3,res3){
// console.log(err3,res3);
//
let sqlupdate = "update address set name=?,tel=?,province=?,city=?,district=?,address=?,isDefault=?,userid=? where id = '"+id+"'";
connection.query(sqlupdate,[name,tel,province,city,district,address,isDefault,userId],function(err1,res1,field1){
// console.log(err1,res1,field1);
res.send({
data:{
success:"成功"
}
})
});
});
});
});
});
/* 当前用户新增收货地址 */
router.post('/api/addAddress', function(req, res, next) {
let token = req.headers.token;
let phone = jwt.decode(token);
let name = req.body.name;
let tel = req.body.tel;
let province = req.body.province;
let city = req.body.city;
let district = req.body.district;
let address = req.body.address;
let isDefault = req.body.isDefault;
connection.query( `select * from user where phone = ${
phone.name}`,function(error,results, fields){
let id = results[0].id;
let sqlInsert = "insert into address (name,tel,province,city,district,address,isDefault,userId) values ('"+name+"','"+tel+"','"+province+"','"+city+"','"+district+"','"+address+"','"+isDefault+"','"+id+"')";
connection.query(sqlInsert,function(err1,res1,field1){
res.send({
data:{
success:"成功"
}
})
});
});
});
/* 当前用户查询收货地址 */
router.post('/api/selectAddress', function(req, res, next) {
let token = req.headers.token;
let phone = jwt.decode(token);
console.log( token );
console.log( phone );
connection.query( `select * from user where phone = ${
phone.name}`,function(error,results, fields){
let id = results[0].id;
connection.query( `select * from address where userId = ${
id}`,function(error2,results2, fields2){
// console.log( results2 );
res.send({
data:results2
})
});
});
});
/* 第三方登录 */
router.post('/api/loginother', function(req, res, next) {
// 前端给后端的数据
let params = {
provider:req.body.provider,//登录方式
openid:req.body.openid,//用户身份id
nickName:req.body.nickName,//用户昵称
avataUrl:req.body.avataUrl//用户头像
};
console.log(params);
// 查询数据库中用户是否存在
connection.query(user.queryUserName(params),function(error,results,fields){
if(results.length > 0){
// 数据库中存在 直接读取
connection.query( user.queryUserName( params ), function(err2, res2) {
res.send({
data:res2[0]
});
});
}else{
// 数据库中不存在 存储 -> 读取
connection.query( user.insertData( params ), function(err1,res1) {
connection.query( user.queryUserName( params ), function(err2, res2) {
res.send({
data:res2[0]
});
});
});
}
})
});
/* 注册->增加一条数据. */
router.post('/api/addUser', function(req, res, next) {
// 前端给后端的数据
let params = {
userName:req.body.userName,
userCode:req.body.code
};
if( params.userCode == code ){
connection.query( user.insertData( params ),function(error,results, fields){
// 再去查询手机号是否存在,用于注册成功后直接登录
connection.query(user.queryUserName(params),function(er,result){
if(results.length > 0){
res.send({
data:{
success:true,
msg:'注册成功',
data:result[0]
}
});
}
});
// res.send({
// data:{
// success:true,
// msg:'注册成功'
// }
// });
});
}
});
/* 发送验证码 */
router.post('/api/code', function(req, res, next) {
// 前端给后端的数据
let params = {
userName : req.body.userName
}
// 短信SDK 可以使用阿里云或腾讯云的,具体接入方式以官方NodeJS代码案例
// ....
// 阿里云 官方代码 https://help.aliyun.com/document_detail/112185.html
// 腾讯云 官方代码 https://cloud.tencent.com/developer/article/1987501
// ....
// ....
var paramss = [ Math.floor( Math.random()*(9999-1000)+1000 ) ] // 要发送的验证码
// 模拟以获取到验证码
code = paramss[0];
console.log(code);
// 模拟成功返回验证码
res.send({
data:{
success:true,
code : paramss[0]
}
})
})
/* 注册验证手机号是否存在 */
router.post('/api/registered', function(req, res, next) {
// 前端给后端的数据
let params = {
userName : req.body.phone
}
// 查询手机号是否存在
connection.query(user.queryUserName(params),function(error,results,fields){
if(results.length > 0){
res.send({
data:{
success:false,
msg:"手机号已经存在!"
}
});
}else{
res.send({
data:{
success:true
}
});
}
})
});
/* 用户登录 */
router.post('/api/login', function(req, res, next) {
// 前端给后端的数据
let params = {
userName : req.body.userName,
userPwd : req.body.userPwd
}
// 查询用户名或手机号是否存在
connection.query(user.queryUserName(params),function(error,results,fields){
if(results.length > 0){
connection.query(user.queryUserPwd(params),function(erro,result){
if(result.length > 0){
res.send({
data:{
success:true,
msg:"登录成功!",
data:result[0]
}
});
}else{
res.send({
data:{
success:false,
msg:"密码不正确!"
}
});
}
})
}else{
res.send({
data:{
success:false,
msg:"用户名或手机号不存在!"
}
});
}
})
});
/* GET databases goods Detail. */
router.get('/api/goods/id', function(req, res, next) {
let id = req.query.id;
connection.query("select * from goods_search where id='"+id+"'",function(error,result,fields){
if(error) throw error;
res.send({
code:"0",
data:result
})
})
});
/* GET List Page */
router.get('/api/goods/list', function(req, res, next) {
res.send({
code:0,
name:"家居家纺",
data:[
{
id:1,
name:"家纺",
data:[
{
name:"家纺",
list:[
{
id:1,
name:"毛巾/浴巾",
imgUrl:"/static/logo.png"
},
{
id:2,
name:"枕头",
imgUrl:"/static/logo.png"
}
]
},
{
name:"生活用品",
list:[
{
id:1,
name:"浴室用品",
imgUrl:"/static/logo.png"
},
{
id:2,
name:"洗晒",
imgUrl:"/static/logo.png"
}
]
}
]
},
{
id:2,
name:"女装",
data:[
{
name:"裙装",
list:[
{
id:1,
name:"连衣裙",
imgUrl:"/static/logo.png"
},
{
id:2,
name:"半身裙",
imgUrl:"/static/logo.png"
}
]
},
{
name:"上衣",
list:[
{
id:1,
name:"T恤",
imgUrl:"/static/logo.png"
},
{
id:2,
name:"衬衫",
imgUrl:"/static/logo.png"
}
]
}
]
}
]
});
});
/* GET databases goods. */
router.get('/api/goods/search', function(req, res, next) {
/*
desc 降序 asc 升序
*/
// 获取对象的key
let [goodsName,orderName] = Object.keys(req.query);
// name参数的值
let name = req.query.name;
// orderName的key值
let order = req.query[orderName];
let sql = "select * from goods_search";
if(!(name == undefined || orderName == undefined || order == undefined)){
sql = "select * from goods_search where name like '%"+name+"%' order by "+orderName+" "+order;
}
connection.query(sql,function(error,results,fields){
res.send({
code:"0",
data:results
});
})
});
/* 首页第一次触底的数据 */
router.get('/api/index_list/1/data/2', function(req, res, next) {
res.send({
code:"0",
data:[
{
type:"commodityList",
data:[
{
id:1,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:2,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},{
id:3,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:4,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
]
},
]
});
});
/* 运动户外第二次触底的数据 */
router.get('/api/index_list/2/data/3', function(req, res, next) {
res.send({
code:"0",
data:[
{
type:"commodityList",
data:[
{
id:1,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:2,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},{
id:3,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:4,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
]
},
]
});
});
/* 运动户外第一次触底的数据 */
router.get('/api/index_list/2/data/2', function(req, res, next) {
res.send({
code:"0",
data:[
{
type:"commodityList",
data:[
{
id:1,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:2,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},{
id:3,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:4,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
]
},
]
});
});
/* 运动户外第一次加载的数据 */
router.get('/api/index_list/2/data/1', function(req, res, next) {
res.send({
code:"0",
data:[
{
type:"bannerList",
imgUrl:"../../static/img/b3.jpg",
},
{
type:"iconsList",
data:[
{
imgUrl:"../../static/logo.png",name:"运动户外"},
{
imgUrl:"../../static/logo.png",name:"运动户外"},
{
imgUrl:"../../static/logo.png",name:"运动户外"},
{
imgUrl:"../../static/logo.png",name:"运动户外"},
{
imgUrl:"../../static/logo.png",name:"运动户外"},
{
imgUrl:"../../static/logo.png",name:"运动户外"},
{
imgUrl:"../../static/logo.png",name:"运动户外"},
{
imgUrl:"../../static/logo.png",name:"运动户外"}
]
},
{
type:"hotList",
data:[
{
id:1,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:2,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},{
id:3,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
}
]
},
{
type:"shopList",
data:[
{
bigUrl:"../../static/img/b3.jpg",
data:[
{
id:1,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:2,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},{
id:3,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:4,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
}
]
}
],
},
{
type:"commodityList",
data:[
{
id:1,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:2,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},{
id:3,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:4,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
]
},
]
});
});
/* 服饰内衣第一次加载的数据 */
router.get('/api/index_list/3/data/1', function(req, res, next) {
res.send({
code:"0",
data:[
{
type:"bannerList",
imgUrl:"../../static/img/b3.jpg",
},
{
type:"iconsList",
data:[
{
imgUrl:"../../static/logo.png",name:"服饰内衣"},
{
imgUrl:"../../static/logo.png",name:"服饰内衣"},
{
imgUrl:"../../static/logo.png",name:"服饰内衣"},
{
imgUrl:"../../static/logo.png",name:"服饰内衣"},
{
imgUrl:"../../static/logo.png",name:"服饰内衣"},
{
imgUrl:"../../static/logo.png",name:"服饰内衣"},
{
imgUrl:"../../static/logo.png",name:"服饰内衣"},
{
imgUrl:"../../static/logo.png",name:"服饰内衣"}
]
},
{
type:"hotList",
data:[
{
id:1,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:2,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},{
id:3,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
}
]
},
{
type:"shopList",
data:[
{
bigUrl:"../../static/img/b3.jpg",
data:[
{
id:1,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:2,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},{
id:3,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:4,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
}
]
}
],
},
{
type:"commodityList",
data:[
{
id:1,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:2,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},{
id:3,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:4,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
]
},
]
});
});
/* 首页推荐数据 */
router.get('/api/index_list/data', function(req, res, next) {
res.send({
"code":0,
"data":{
topBar:[
{
id:1,name:'推荐'},
{
id:2,name:'运动户外'},
{
id:3,name:'服饰内衣'},
{
id:4,name:'鞋靴箱包'},
{
id:5,name:'美妆个护'},
{
id:6,name:'家居数码'},
{
id:7,name:'食品母婴'}
],
data:[
{
type:"swiperList",
data:[
{
imgUrl:'/static/img/b3.jpg'},
{
imgUrl:'/static/img/b3.jpg'},
{
imgUrl:'/static/img/b3.jpg'}
]
},{
type:"recommendList",
data:[
{
bigUrl:"../../static/img/b3.jpg",
data:[
{
imgUrl:'../../static/logo.png'},
{
imgUrl:'../../static/logo.png'},
{
imgUrl:'../../static/logo.png'}
]
},{
bigUrl:"../../static/img/b3.jpg",
data:[
{
imgUrl:'../../static/logo.png'},
{
imgUrl:'../../static/logo.png'},
{
imgUrl:'../../static/logo.png'}
]
}
]
},{
type:"commodityList",
data:[
{
id:1,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:2,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},{
id:3,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
{
id:4,
imgUrl:"../../static/logo.png",
name:"迪奥绒毛大衣,今年必抢,错过瞬时不爽了,爆款疯狂销售",
pprice:"299",
oprice:"659",
discount:"5.2"
},
]
},
]
}
})
});
module.exports = router;
Front-end code cart.js
import $http from '@/common/api/request.js'
export default{
state:{
list:[
/* {
id:1,
name:"332经济法能聚聚会技能大赛 经济法能聚聚会技能大赛",
color:"颜色：嘿嘿嘿激活",
imgUrl:"../../static/logo.png",
pprice:"27",
num:1,
checked:false
},{
id:2,
name:"032经济法能聚聚会技能大赛 经济法能聚聚会技能大赛",
color:"颜色：嘿嘿嘿激活",
imgUrl:"../../static/logo.png",
pprice:"48",
num:6,
checked:false
} */
],
selectedList:[]
},
getters:{
// 判断是否 全选
checkedAll(state){
return state.list.length === state.selectedList.length;
},
// 合计 结算数量
totalCount(state){
let total = {
pprice:0,
num:0
}
state.list.forEach(v=>{
// 是否选中
if(state.selectedList.indexOf(v.id) > -1){
// 合计
total.pprice += v.pprice*v.num;
// 结算数量
total.num = state.selectedList.length;
}
})
return total;
}
},
mutations:{
// 请求到数据赋值操作
initGetData(state,list){
state.list = list;
},
// 全选
checkAll(state){
state.selectedList = state.list.map(v=>{
v.checked = true;
return v.id;
})
},
// 全不选
unCheckAll(state){
state.list.forEach(v=>{
v.checked = false;
})
state.selectedList = [];
},
// 单选
selectedItem(state,index){
let id = state.list[index].id;
let i = state.selectedList.indexOf(id);
// 如果selectList已经存在就代表他之前的选中状态,checked=false,并且在selectedList删除
if (i>-1) {
state.list[index].checked = false;
return state.selectedList.splice(i,1);
}
// 如果之前没有选中,checked=true,把当前的id添加到selectedList
state.list[index].checked = true;
state.selectedList.push(id);
},
//
delGoods(state){
state.list = state.list.filter(v=>{
return state.selectedList.indexOf(v.id) === -1;
})
},
// 加入购物车
addShopCart(state, goods){
state.list.push(goods);
}
},
actions:{
checkedAllFn({
commit,getters}){
getters.checkedAll ? commit("unCheckAll") : commit("checkAll")
},
delGoodsFn({
commit,state}){
uni.showModal({
content:'确认删除吗?',
success: () => {
$http.request({
url:'/deleteCart',
method:"POST",
header:{
token:true
},
data:{
goods_id:state.selectedList
}
}).then((res)=>{
commit('delGoods');
commit("unCheckAll");
uni.showToast({
title:'删除成功',
icon:"none"
})
}).catch(()=>{
uni.showToast({
title:'请求失败',
icon:'none'
})
})
}
})
}
}
}
Directory Structure
Front-end directory structure
-
manifest.json configuration file: appid, logo…
-
pages.json configuration file: navigation, tabbar, routing
-
main.js vue initialization entry file
-
App.vue global configuration: styles, global monitoring
-
static static resources: pictures, font icons
-
page page
- index
- index.vue
- list
- list.vue
- my
- my.vue
- my-config
- my-config.vue
- my-config
- my-config.vue
- my-add-path
- my-add-path.vue
- my-path-list
- my-path-list.vue
- search
- search.vue
- search-list
- search-list.vue
- shopcart
- shopcart.vue
- details
- details.vue
- my-order
- my-order.vue
- confirm-order
- confirm-order.vue
- payment
- payment.vue
- payment-success
- payment-success.vue
- login
- login.vue
- login-tel
login-tel.vue
- login-code
login-code.vue
- index
-
components components
- index
- banner.view
- Hot.vue
- Icons.vue
- indexSwiper.vue
- Recommend.vue
- Shop.vue
Tabbar.vue
- common
- Card.vue
- Commondity.vue
- CommondityList.vue
- Line.vue
- ShopList.vue
- order
- order-list.vue
- uni
- uni-number-box
- uni-number-box.vue
- uni-icons
- uni-icons.vue
- uni-nav-bar
- uni-nav-bar.vue
- mpvue-citypicker
- mpvueCityPicker.vue
- uni-number-box
- index
-
common public files: global css file || global js file
- api
- request.js
- common.css
- uni.css
- api
-
store vuex state machine file
- modules
- cart.js
- path.js
- user.js
- index.js
- modules