deguodaigou/components/shopping/shoppingitem/shoppingitem.js

// components/shopping/shoppingitem/shoppingitem.js
import {request} from "../../../utils/bin"
Component({
    /**
     * 组件的属性列表
     */
    properties: {
        shopname: String,
        shopdesc: String,
        price: Number,
        pic: String,
        gid:Number,
        num:Number,
        select:Boolean,
        index:Number
    },

    /**
     * 组件的初始数据
     */
    data: {
        
    },

    /**
     * 组件的方法列表
     */
    methods: {
        rm() {
            
            if (this.data.num < 2) {
                
                return
            } else {
                this.setData({
                    num: this.data.num - 1
                })
                request({
                    url:"Cart/updateNum",
                    urldata:{
                        id:this.data.gid,
                        num:this.data.num 
                    }
                }).then((res)=>{
                this.triggerEvent('gai', {id:this.data.gid,num:this.data.num})
                    
                })
               
            }
        },
        add() {
            this.setData({
                num: this.data.num + 1
            })
            request({
                url:"Cart/updateNum",
                urldata:{
                    id:this.data.gid,
                    num:this.data.num
                }
            }).then((res)=>{
                this.triggerEvent('gai', {id:this.data.gid,num:this.data.num})
            })
        },
        sel(){
            this.triggerEvent('sel', {index:this.data.index,select:this.data.select})
        }

    }
})