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/**
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* 折扣专区
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* @author: liangzhifeng<zhifeng.liang@yoho.cn>
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* @date: 2015/10/23
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*/
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var $ = require('yoho.zepto'),
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Swiper = require('yoho.iswiper'),
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lazyLoad = require('yoho.zeptolazyload');
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var $curNav,
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$navList = $('#discount-nav'),
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$newArrivalList = $('#discount-goods-list'),
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$goods = $newArrivalList.children('.goods-list'),
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$goodList = $('.goods-list');
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var swiper;
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var index = 0,
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winH = $(window).height(),
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loadMoreH = $('#load-more').height(),
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loading = false,
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page = 0,
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pd = "";
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swiper = new Swiper('.swiper-container', {
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lazyLoading: true,
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pagination: '.swiper-pagination'
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});
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var filter = require('../../plugin/filter');
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lazyLoad($('img.lazy'));
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$curNav = $navList.children('.focus');
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var $goodsContainer = $('#goods-container'),
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$ngc = $($goodsContainer.children().get(0)),
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$pgc = $($goodsContainer.children().get(1)),
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$dgc = $($goodsContainer.children().get(2));
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$all = $($goodsContainer.children().get(3));
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$('#discount-nav').delegate('li', 'touchstart', function() {
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var $this = $(this),
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$content;
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var winH = $(window).height();
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//默认筛选条件
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var defaultOpt = {
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gender: $('#gender').val(),
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brand: $('#brand').val(),
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msort: $('#msort').val(),
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color: $('#color').val(),
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size: $('#size').val(),
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price: $('#price').val(),
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discount: $('#discount').val(),
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limit: $('#limit').val(),
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dayLimit: $('#dayLimit').val(),
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channel: $('#channel').val(),
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p_d: $('#p_d').val()
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};
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var $listNav = $('#list-nav'),
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//导航数据信息
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navInfo = {
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today: {
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reload: true,
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page: 0,
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end: false
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},
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week: {
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reload: true,
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page: 0,
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end: false
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},
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sale: {
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reload: true,
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page: 0,
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end: false
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},
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all: {
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reload: true,
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page: 0,
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end: false
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}
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},
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$pre, //纪录进入筛选前的active项
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searching;
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$pgc.addClass('hide');
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$dgc.addClass('hide');
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$all.addClass('hide');
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/**
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* 筛选注册的回调，筛选子项点击后逻辑
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* 需要执行search的场景：1.点选筛选项；2.relaod为true时切换导航；3.下拉加载
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* @param opt {type, id}
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*/
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function search(opt) {
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var setting = {},
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ext,
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att,
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nav, navType,
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dayLimit,
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page;
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if (opt) {
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//筛选项变更则重置reload为true
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for (att in navInfo) {
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if (navInfo.hasOwnProperty(att)) {
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navInfo[att].reload = true;
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}
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}
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//处理active状态
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$listNav.children('.active').removeClass('active');
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$pre.addClass('active');
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if ($this.hasClass('focus')) {
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switch (opt.type) {
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case 'gender':
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ext = {
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gender: opt.id
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};
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break;
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case 'brand':
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ext = {
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brand: opt.id
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};
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break;
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case 'msort':
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ext = {
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msort: opt.id
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};
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break;
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case 'color':
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ext = {
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color: opt.id
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};
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break;
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case 'size':
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ext = {
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size: opt.id
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};
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break;
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case 'price':
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ext = {
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price: opt.id
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};
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break;
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case 'discount':
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ext = {
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discount: opt.id
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};
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break;
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case 'limit':
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ext = {
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limit: opt.id
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};
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break;
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case 'channel':
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ext = {
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channel: opt.id
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};
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break;
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case 'p_d':
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ext = {
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p_d: opt.id
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};
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break;
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}
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$.extend(defaultOpt, ext); //扩展筛选项
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}
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if (searching) {
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return;
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}
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index = $this.index();
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pd = getSalePdByChoose(index);
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//导航类别
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if ($pre === undefined || $pre.hasClass('today')) {
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navType = 'today';
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dayLimit = 1;
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} else if ($pre.hasClass('week')) {
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navType = 'week';
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dayLimit = 2;
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} else if ($pre.hasClass('sale')) {
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navType = 'sale';
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dayLimit = 3;
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}else if ($pre.hasClass('all')) {
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navType = 'all';
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dayLimit = 4;
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}
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$this.addClass('focus');
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$curNav.removeClass('focus');
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nav = navInfo[navType];
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$goods.not('.hide').addClass('hide');
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$content = $goods.eq(index);
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$content.removeClass('hide');
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page = nav.page + 1;
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if (nav.reload) {
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page = 1;
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} else if (nav.end) {
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$curNav = $this;
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//不需要重新加载并且数据请求结束
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return;
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}
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$(document).trigger('scroll'); //Trigger lazyLoad
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});
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$.extend(setting, defaultOpt, {
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dayLimit: dayLimit,
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page: page
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});
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//srcoll to load more
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$(window).scroll(function () {
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if ($(window).scrollTop() + winH >= $(document).height() - loadMoreH) {
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if (loading) {
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return;
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}
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loading = true;
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// num = $goodList.children('.good-info').length;
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$.ajax({
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type: 'GET',
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url: '/product/newsale/selectNewSale',
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data: {
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p_d: pd,
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page: page + 1
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},
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success: function(data) {
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if (data === ' ') {
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//opt.end = true;
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loading = false;
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return;
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searching = true;
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$.ajax({
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type: 'GET',
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url: '/product/newsale/selectNewSale',
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data: setting,
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success: function(data) {
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var noResult = '<p class="no-result">未找到相关搜索结果</p>',
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$container;
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switch (navType) {
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case 'today':
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$container = $ngc;
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break;
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case 'week':
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$container = $pgc;
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break;
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case 'sale':
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$container = $dgc;
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break;
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case 'all':
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$container = $all;
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break;
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}
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if (data === ' ') {
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nav.end = true;
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if (nav.reload) {
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$container.html(noResult);
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}
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} else {
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if (nav.reload) {
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$container.html(data);
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} else {
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$container.append(data);
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}
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lazyLoad($container.find('.lazy'));
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}
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nav.reload = false;
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nav.page = page;
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$goodList.append(data);
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searching = false;
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}
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});
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}
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lazyLoad($('.lazy'));
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filter.registerCbFn(search);
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//导航栏点击逻辑说明：
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//1.点击非active项时切换active状态
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//2.价格和折扣active状态时继续点击切换排序
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//3.筛选无active时点击展开筛选面板
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//4.筛选有active时点击隐藏筛选面板并恢复点击筛选前active项的active状态
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//5.当前active为筛选并且点击其他项时，隐藏筛选面板
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$listNav.delegate('li', 'touchstart', function() {
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var $this = $(this),
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nav,
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navType,
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$active;
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if ($this.hasClass('filter')) {
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//筛选面板切换状态
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if ($this.hasClass('active')) {
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filter.hideFilter();
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//点击筛选钱的active项回复active
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$pre.addClass('active');
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$this.removeClass('active');
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} else {
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$pre = $this.siblings('.active');
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//lazyLoad
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//lazyLoad($goodList.children('.good-info:gt(' + (num - 1) + ')').find('img.lazy'));
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lazyLoad($('.good-info').find('img.lazy'));
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$pre.removeClass('active');
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$this.addClass('active');
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loading = false;
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page++;
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},
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error: function() {
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tip.show('网络断开连接了~');
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loading = false;
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filter.showFilter();
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}
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} else {
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if ($this.hasClass('new')) {
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navType = 'newest';
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} else if ($this.hasClass('price')) {
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navType = 'price';
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} else if ($this.hasClass('discount')) {
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navType = 'discount';
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}
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nav = navInfo[navType];
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if ($this.hasClass('active')) {
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//最新无排序切换
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if ($this.hasClass('new')) {
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return;
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}
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if ($this.hasClass('price') || $this.hasClass('discount')) {
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// 价格/折扣切换排序状态
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$this.find('.icon > .iconfont').toggleClass('cur');
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$pre = $this; //更新pre为当前项
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nav.reload = true; //重置reload,HTML会被替换为逆序的HTML
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nav.order = nav.order === 0 ? 1 : 0; //切换排序
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}
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} else {
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$active = $this.siblings('.active');
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$pre = $this; //$pre为除筛选导航的其他导航项，若当前active的为筛选，则把$pre置为当前点击项
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if ($active.hasClass('filter')) {
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//若之前active项为筛选，则隐藏筛选面板
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filter.hideFilter();
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} else {
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//切换container显示
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$goodsContainer.children('.container:not(.hide)').addClass('hide');
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switch (navType) {
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case 'newest':
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$ngc.removeClass('hide');
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break;
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case 'price':
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$pgc.removeClass('hide');
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break;
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case 'discount':
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$dgc.removeClass('hide');
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break;
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case 'all':
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$dgc.removeClass('hide');
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break;
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}
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}
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});
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}
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$active.removeClass('active');
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$this.addClass('active');
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}
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if (nav.reload) {
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search();
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}
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}
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});
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/**
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* 根据用户的选择获取商品折扣值
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*
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* @param int index
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* @return string
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*/
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function getSalePdByChoose(index) {
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var pd = "0.1,0.3";
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switch (index) {
|
|
|
|
case 0:
|
|
|
|
pd = "0.1,0.3";
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
pd = "0.4,0.6";
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
pd = "0.7,0.9";
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
pd = "0.1,0.9";
|
|
|
|
break;
|
|
|
|
$(window).scroll(function() {
|
|
|
|
|
|
|
|
//当scroll到1/4$goodsContainer高度后继续请求下一页数据
|
|
|
|
if ($(window).scrollTop() + winH >
|
|
|
|
$(document).height() - 0.25 * $goodsContainer.height()) {
|
|
|
|
search();
|
|
|
|
}
|
|
|
|
return pd;
|
|
|
|
} |
|
|
\ No newline at end of file |
|
|
|
}); |
|
|
\ No newline at end of file |
...
|
...
|
|
