list.js
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import wx from '../../../utils/wx';
import Yas from '../../../common/yas';
import listModel from '../../../models/product/list';
const {windowHeight} = getApp().getSystemInfo();
let yas;
const app = getApp();
Page({
data: {
order: '',
gender: '',
searched: false,
productList: [],
showLoading: false,
showNoMore: false,
currentPage: 0,
totalPage: 1,
urlParams: {},
showBackTop: false,
noResult: false,
windowHeight
},
onLoad: function(options) {
Object.keys(options).map(key => {
options[key] = decodeURIComponent(options[key] || '');
});
wx.setNavigationBarTitle({
title: options.title || ''
});
delete options.title;
options.shop_id = app.getShopId();
this.setData({
urlParams: options
});
this.productList(options);
yas = new Yas();
yas.pageOpenReport();
},
onPageScroll: function({scrollTop}) {
if (scrollTop > windowHeight * 2 !== this.data.showBackTop) {
this.setData({
showBackTop: scrollTop > windowHeight * 2
});
}
},
backTop: function() {
wx.pageScrollTo({
scrollTop: 0
});
},
onReachBottom: function() {
this.productList(this.data.urlParams);
},
setBrandTitle: function(brandId) {
listModel.brandIntro(brandId).then(res => {
if (res.code === 200) {
wx.setNavigationBarTitle({
title: res.data.brand_name
});
}
})
.catch(() => {
wx.setNavigationBarTitle({
title: '商品列表'
});
});
},
productList: function(params = {}) {
params.page = this.data.currentPage + 1;
if (params.page > this.data.totalPage) {
return;
}
if (this.data.isLoading) {
return;
}
this.data.isLoading = true;
wx.showLoading({title: '加载中'});
params.order = this.data.order;
params.gender = this.data.gender;
params.limit = 20;
listModel.productList(params).then(res => {
if (res.code === 200) {
const keyAdapter = {
skn: 'product_skn',
salesPrice: 'sales_price',
marketPrice: 'market_price',
productName: 'product_name',
defaultImages: 'default_images'
};
let list = [];
(res.data.product_list || []).forEach(product => {
let item = {};
Object.keys(keyAdapter).forEach(key => {
item[key] = product[keyAdapter[key]];
});
list.push(item);
});
this.data.isLoading = false;
wx.hideLoading();
this.setData({
showLoading: false,
productList: this.data.productList.concat(list),
currentPage: params.page,
totalPage: res.data.page_total,
showNoMore: params.page === res.data.page_total,
noResult: !this.data.productList.concat(list).length
});
if (params.resetScroll) {
wx.pageScrollTo({
scrollTop: 0,
duration: 10
});
}
}
});
},
sortChange: function(e) {
let {curSort, gender} = e.detail;
this.data.gender = gender;
this.data.order = curSort;
this.data.currentPage = 0;
this.data.totalPage = 1;
this.data.productList = [];
this.productList(Object.assign({resetScroll: true}, this.data.urlParams));
}
});