250 lines
5.0 KiB
JavaScript
250 lines
5.0 KiB
JavaScript
const App = getApp();
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// 工具类
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import util from '../../../utils/util.js';
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// 倒计时插件
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import CountDown from '../../../utils/countdown.js';
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Page({
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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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// 当前tab索引
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currentTab: 0,
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// 列表容器高度
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scrollHeight: null,
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// 列表容器滚动的位置
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scrollTop: 0,
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noMore: false, // 没有更多数据
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isLoading: true, // 是否正在加载中
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page: 1, // 当前页码
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// 时间记录
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countDownList: [],
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// 砍价会场商品列表
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activeList: [],
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// 我的砍价列表
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myList: [],
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},
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/**
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* 生命周期函数--监听页面加载
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*/
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onLoad(options) {
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let _this = this;
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// 设置scroll-view高度
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_this._setListHeight();
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// 设置当前tab索引
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_this._setCurrentTab(options);
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},
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/**
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* 生命周期函数--监听页面显示
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*/
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onShow() {
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let _this = this;
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if (_this.data.scrollTop == 0) {
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// 获取列表数据
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_this._getList();
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}
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},
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/**
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* 设置当前tab索引
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*/
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_setCurrentTab(options) {
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let _this = this;
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if (options.hasOwnProperty('tab')) {
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_this.setData({
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currentTab: options.tab
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});
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}
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},
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/**
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* 设置商品列表高度
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*/
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_setListHeight() {
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let _this = this;
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let systemInfo = wx.getSystemInfoSync(),
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rpx = systemInfo.windowWidth / 750, // 计算rpx
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tapHeight = Math.floor(rpx * (92 + 20)), // tap高度
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scrollHeight = systemInfo.windowHeight - tapHeight; // swiper高度
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_this.setData({
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scrollHeight
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});
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},
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/**
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* 获取砍价活动列表
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*/
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getActiveList(isPage) {
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let _this = this;
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App._get('bargain.active/lists', {
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page: _this.data.page || 1,
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}, (result) => {
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let resList = result.data.activeList,
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dataList = _this.data.activeList;
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if (isPage == true) {
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_this.setData({
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'activeList.data': dataList.data.concat(resList.data),
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isLoading: false,
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});
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} else {
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_this.setData({
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activeList: resList,
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isLoading: false,
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});
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}
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});
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},
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/**
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* 获取我的砍价列表
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*/
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getMyList(isPage) {
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let _this = this;
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App._get('bargain.task/lists', {
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page: _this.data.page || 1,
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}, (result) => {
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let resList = result.data.myList,
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dataList = _this.data.myList;
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if (isPage == true) {
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_this.setData({
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'myList.data': dataList.data.concat(resList.data),
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isLoading: false,
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});
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} else {
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_this.setData({
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myList: resList,
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isLoading: false,
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});
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}
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// 初始化倒计时组件
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_this._initCountDownData(result.data);
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});
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},
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/**
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* 初始化倒计时组件
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*/
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_initCountDownData(data) {
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let _this = this;
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// 记录活动到期时间
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let countDownList = _this.data.countDownList;
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data.myList.data.forEach((item) => {
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countDownList.push({
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date: item.end_time,
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});
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});
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_this.setData({
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countDownList,
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});
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// 执行倒计时
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if (countDownList.length > 0) {
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CountDown.onSetTimeList(_this, 'countDownList');
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}
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},
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/**
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* 记录滚动的位置
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*/
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onScrollEvent(e) {
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let _this = this;
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_this.setData({
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scrollTop: e.detail.scrollTop
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})
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},
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/**
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* 切换tabbar
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*/
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onToggleTab(e) {
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let _this = this;
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// 保存formid
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App.saveFormId(e.detail.formId);
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// 设置当前tabbar索引,并重置数据
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_this.setData({
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currentTab: e.currentTarget.dataset.index,
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activeList: [],
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myList: [],
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page: 1,
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isLoading: true,
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noMore: false,
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});
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// 获取列表数据
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_this._getList();
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},
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/**
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* 跳转到砍价商品详情
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*/
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onTargetActive(e) {
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// 保存formid
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App.saveFormId(e.detail.formId);
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wx.navigateTo({
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url: `../goods/index?active_id=${e.detail.target.dataset.id}`,
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})
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},
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/**
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* 跳转到砍价任务详情
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*/
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onTargetTask(e) {
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// 保存formid
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App.saveFormId(e.detail.formId);
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wx.navigateTo({
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url: `../task/index?task_id=${e.detail.target.dataset.id}`,
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})
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},
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/**
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* 下拉到底部加载下一页
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*/
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onScrollToLower() {
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let _this = this,
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listData = _this.data.currentTab == 0 ? _this.data.activeList : _this.data.myList;
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// 已经是最后一页
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if (_this.data.page >= listData.last_page) {
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_this.setData({
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noMore: true
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});
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return false;
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}
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// 加载下一页列表
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_this.setData({
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page: ++_this.data.page
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});
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_this._getList(true);
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},
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/**
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* 获取列表数据
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*/
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_getList(isPage) {
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let _this = this;
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_this.data.currentTab == 0 ? _this.getActiveList(isPage) : _this.getMyList(isPage);
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},
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/**
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* 用户点击右上角分享
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*/
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onShareAppMessage() {
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let _this = this;
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// 构建页面参数
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let params = App.getShareUrlParams();
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return {
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title: '砍价专区',
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path: `/pages/bargain/index/index?${params}`
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};
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},
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}) |