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// 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: '/submodel/pages/purchase/detail/index?id=' + item.id }) |
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} |
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} |
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}) |
xpz2018
4 years ago