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yoshop-wechat/pages/bargain/index/index.js
2021-07-16 16:37:55 +08:00

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import util from '../../../utils/util.js'
const App = getApp()
Page({
/**
* 页面的初始数据
*/
data: {
// 当前tab索引
currentTab: 0,
// 列表容器高度
scrollHeight: null,
// 列表容器滚动的位置
scrollTop: 0,
noMore: false, // 没有更多数据
isLoading: true, // 是否正在加载中
page: 1, // 当前页码
// 时间记录
countDownList: [],
// 砍价会场商品列表
activeList: [],
// 我的砍价列表
myList: [],
},
/**
* 生命周期函数--监听页面加载
*/
onLoad(options) {
let _this = this;
// 设置scroll-view高度
_this._setListHeight();
// 设置当前tab索引
_this._setCurrentTab(options);
},
/**
* 生命周期函数--监听页面显示
*/
onShow() {
let _this = this;
if (_this.data.scrollTop == 0) {
// 获取列表数据
_this._getList();
}
},
/**
* 设置当前tab索引
*/
_setCurrentTab(options) {
let _this = this;
if (options.hasOwnProperty('tab')) {
_this.setData({
currentTab: options.tab
});
}
},
/**
* 设置商品列表高度
*/
_setListHeight() {
let _this = this;
let systemInfo = wx.getSystemInfoSync(),
rpx = systemInfo.windowWidth / 750, // 计算rpx
tapHeight = Math.floor(rpx * (92 + 20)), // tap高度
scrollHeight = systemInfo.windowHeight - tapHeight; // swiper高度
_this.setData({
scrollHeight
});
},
/**
* 获取砍价活动列表
*/
getActiveList(isPage) {
let _this = this;
App._get('bargain.active/lists', {
page: _this.data.page || 1,
}, (result) => {
let resList = result.data.activeList,
dataList = _this.data.activeList;
if (isPage == true) {
_this.setData({
'activeList.data': dataList.data.concat(resList.data),
isLoading: false,
});
} else {
_this.setData({
activeList: resList,
isLoading: false,
});
}
});
},
/**
* 获取我的砍价列表
*/
getMyList(isPage) {
let _this = this;
App._get('bargain.task/lists', {
page: _this.data.page || 1,
}, (result) => {
let resList = result.data.myList,
dataList = _this.data.myList;
if (isPage == true) {
_this.setData({
'myList.data': dataList.data.concat(resList.data),
isLoading: false,
});
} else {
_this.setData({
myList: resList,
isLoading: false,
});
}
// 初始化倒计时组件
_this._initCountDownData(result.data);
});
},
/**
* 初始化倒计时组件
*/
_initCountDownData(data) {
// let _this = this;
// // 记录活动到期时间
// let countDownList = _this.data.countDownList;
// data.myList.data.forEach((item) => {
// countDownList.push({
// date: item.end_time
// })
// })
},
/**
* 记录滚动的位置
*/
onScrollEvent(e) {
let _this = this;
_this.setData({
scrollTop: e.detail.scrollTop
})
},
/**
* 切换tabbar
*/
onToggleTab(e) {
let _this = this;
// 设置当前tabbar索引并重置数据
_this.setData({
currentTab: e.currentTarget.dataset.index,
activeList: [],
myList: [],
page: 1,
isLoading: true,
noMore: false,
});
// 获取列表数据
_this._getList();
},
/**
* 跳转到砍价商品详情
*/
onTargetActive(e) {
wx.navigateTo({
url: `../goods/index?active_id=${e.detail.target.dataset.id}`,
})
},
/**
* 跳转到砍价任务详情
*/
onTargetTask(e) {
wx.navigateTo({
url: `../task/index?task_id=${e.detail.target.dataset.id}`,
})
},
/**
* 下拉到底部加载下一页
*/
onScrollToLower() {
let _this = this,
listData = _this.data.currentTab == 0 ? _this.data.activeList : _this.data.myList;
// 已经是最后一页
if (_this.data.page >= listData.last_page) {
_this.setData({
noMore: true
});
return false;
}
// 加载下一页列表
_this.setData({
page: ++_this.data.page
});
_this._getList(true);
},
/**
* 获取列表数据
*/
_getList(isPage) {
let _this = this;
_this.data.currentTab == 0 ? _this.getActiveList(isPage) : _this.getMyList(isPage);
},
/**
* 分享当前页面
*/
onShareAppMessage() {
const _this = this;
// 构建页面参数
const params = App.getShareUrlParams();
return {
title: '砍价专区',
path: `/pages/bargain/index/index?${params}`
};
},
/**
* 分享到朋友圈
* 本接口为 Beta 版本,暂只在 Android 平台支持,详见分享到朋友圈 (Beta)
* https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/share-timeline.html
*/
onShareTimeline() {
const _this = this;
// 构建页面参数
const params = App.getShareUrlParams();
return {
title: '砍价专区',
path: `/pages/bargain/index/index?${params}`
};
},
})