UNIAPP实战项目笔记70 购物车删除商品的前后端交互
思路
需要用到vuex
传id值到后端,删除指定id购物车数据
案例截图
购物车商品编辑页面
代码
后端代码 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;
前端代码 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'
})
})
}
})
}
}
}
目录结构
前端目录结构
-
manifest.json 配置文件: appid、logo…
-
pages.json 配置文件: 导航、 tabbar、 路由
-
main.js vue初始化入口文件
-
App.vue 全局配置:样式、全局监视
-
static 静态资源:图片、字体图标
-
page 页面
- 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 组件
- index
- Banner.vue
- 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 公共文件:全局css文件 || 全局js文件
- api
- request.js
- common.css
- uni.css
- api
-
store vuex状态机文件
- modules
- cart.js
- path.js
- user.js
- index.js
- modules