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131 lines
3.8 KiB
131 lines
3.8 KiB
// pages/goods/index/index.js
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import { paperCategoryList, getProductList } from "../../../api/ztb"
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const event = require('../../../utils/event')
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const app = getApp()
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Component({
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options: {
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addGlobalClass: true,
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multipleSlots: true
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},
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/**
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* 页面的初始数据
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*/
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data: {
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height: app.globalData.fragmentHeight - 90,
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kg: app.globalData.kg,
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loading: true,
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requesting: false,
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finished: false,
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cateList: [],
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tabList: [],
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tabIndex: 0,
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cateScroll: false,
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top: 0,
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orderList: [],
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form: {
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firstCategoryId: '',
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pageNum: 1,
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pageSize:15
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}
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},
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lifetimes: {
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// 生命周期函数，可以为函数，或一个在methods段中定义的方法名
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attached: function () {
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event.on('EventMessage', this, this.onEvent)
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},
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detached: function () {
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event.remove('EventMessage', this)
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}
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},
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methods: {
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onRestart: function(){
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if (!this.data.firstShow) {
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this.setData({ height: app.globalData.fragmentHeight - 90, kg: app.globalData.kg })
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this.fetchCateList()
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this.fetchGoodsList()
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}
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this.data.firstShow = true
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},
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fetchCateList: function(){
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paperCategoryList({ type: 1 }).then(result => {
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var tabList = ['全部']
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var size = 0
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for (let index = 0; index < result.data.length; index++) {
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tabList.push(result.data[index].name)
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size += result.data[index].name.length
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}
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this.data.cateList = result.data
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this.setData({ tabList: tabList, cateScroll: size > 14 })
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})
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},
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onCategoryChange: function ({detail}) {
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if(this.data.tabIndex == Number(detail.index)){
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return
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}
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this.data.tabIndex = Number(detail.index)
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if(this.data.tabIndex == 0){
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this.data.form.firstCategoryId = ''
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} else {
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this.data.form.firstCategoryId = this.data.cateList[this.data.tabIndex - 1].id
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}
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this.onRefreshList()
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},
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// 下拉刷新...
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onRefreshList: function () {
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if (this.data.requesting) {
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return
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}
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this.setData({ orderList: [], ['form.pageNum']: 1, loading: true, finished: false })
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this.fetchGoodsList()
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},
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// 获取特价列表
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fetchGoodsList: function () {
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if (this.data.requesting || this.data.finished) {
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return
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}
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if (this.data.loading) {
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this.data.requesting = true
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} else {
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this.setData({ requesting: true })
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}
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getProductList(this.data.form).then(result => {
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//成功回调
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if (result.data.records.length) {
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var respList = result.data.records
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let nowList = `orderList[${this.data.orderList.length}]`
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var num = result.data.current
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var finished = result.data.current >= result.data.pages
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if(this.data.form.pageNum == 1){
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this.setData({
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[nowList]: respList,
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total: result.data.total,
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['form.pageNum']: (num + 1),
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top: 0,
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finished,
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requesting: false,
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loading: false
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})
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} else {
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this.setData({
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[nowList]: respList,
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total: result.data.total,
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['form.pageNum']: (num + 1),
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finished,
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requesting: false,
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loading: false
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})
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}
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} else {
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this.setData({ finished: true, requesting: false, loading: false })
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}
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}).catch(err => {
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this.setData({ requesting: false, loading: false })
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})
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},
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lookItem: function (e) {
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var item = this.data.orderList[e.currentTarget.dataset.page][e.currentTarget.dataset.index]
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wx.navigateTo({ url: '/pages/purchase/detail/index?id=' + item.id })
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}
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}
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})
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