按价格过滤并排序（价格升序）秒杀商品列表
// ==UserScript==
// @name 京东秒杀价格过滤
// @version 0.4.1.4
// @icon https://www.jd.com/favicon.ico
// @description 按价格过滤并排序（价格升序）秒杀商品列表
// @author You!
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_deleteValue
// @grant GM_addStyle
// @include *://miaosha.jd.com/
// @include *://miaosha.jd.com/pinpai.html?brand_id=*
// @include *://miaosha.jd.com/brand.html?brand_id=*
// @include *://miaosha.jd.com/category.html?cate_id=*
// @require https://code.jquery.com/jquery-3.3.1.slim.min.js
// @run-at document-end
// @namespace https://greasyfork.org/zh-CN/scripts/33454-京东秒杀价格过滤
// ==/UserScript==
(function() {
'use strict';
/**********************************************************/
//如果要过滤商品名，启用该函数，但是需要自己实现过滤逻辑：
// pname 传入商品名
// catId 传入商品分类编号，编号代表的意义请自行对照京东秒杀的页面地址
// 命中返回 true, 否侧返回 false
/*在行首插入单行注释（//）以启用该商品名过滤函数
function filterPName(pname, cat, catId) {
switch(cat) {
case 'mainpage': //首页
break;
case 'pinpai': //品牌秒杀
break;
case 'brand': //品类秒杀
break;
case 'category': //分类秒杀
switch(parseInt(catId)) {
case 34: //潮流鞋靴
if (!/男/.test(pname)) return false;
break;
}
break;
}
return true;
}
/**********************************************************/
//扫描页面的间隔频率时间
var timerFreq = 500;
var currentPathname = location.pathname.toLowerCase();
var currentPageKey = (
currentPathname !== '/' ?
'jd_miaosha_' + location.pathname.split(/[\/\.]/)[1].toLowerCase() + '_' + location.search.split('&')[0].split('=')[1] :
'jd_miaosha_mainpage_0'
);
var priceInfo = loadPagePrice(currentPageKey);
uiInit();
doFilter();
//向页面右下角的浮动工具栏尾部追加价格过滤部件
function uiInit() {
switch(currentPathname) {
case '/':
var timeline = $('#timeline a.timeline_item_link');
if (timeline.length > 0) {
var waitTimelineLoad = function() {
if ($('div.skwrap ul.seckill_mod_goodslist').attr('priceFiltered') === undefined) {
doFilter();
}
else setTimeout(waitTimelineLoad, timerFreq);
};
timeline.click(function() {
setTimeout(function() {
$('div.skwrap ul.seckill_mod_goodslist').attr('priceFiltered', true);
saveCurrentPagePrice();
waitTimelineLoad();
}, 0);
});
}
else {
setTimeout(uiInit, timerFreq);
return;
}
break;
}
var uiPos = $('#sk_mod_er ul');
if (uiPos.length > 0) {
var checked = priceInfo.usePageSetting ? ' checked="true"' : '';
GM_addStyle('.fltReload{font-size:10px;font-weight:700;color:#e23a3a;background-color:#fff;border-radius:5px;padding:0px 5px}'+
'.fltCount{display:inline-block;text-align:right;width:35px}'
);
uiPos.append($(
'<li class="sk_mod_er_mobile" style="color:white;padding:7px;float:left;text-align:left">'+
'<nobr>正则过滤<div class="fltCount"><a class="fltReload" href="javascript:;" id="fltRetPName" title0="符合商品名过滤条件的商品数量：">刷新</a></div></nobr><br>'+
'<input id="fltNameRegx" type="text" style="width:80px;margin-top:3px" value="'+priceInfo.regstr+'"/><br/>'+
'<nobr>价格范围<div class="fltCount"><a class="fltReload" href="javascript:;" id="fltRetPrice" title0="同时符合价格范围过滤条件的商品数量：">刷新</a></div></nobr><br>'+
'<input id="fltPriceMin" type="number" style="width:80px;margin-top:3px" value="'+priceInfo.min+'"/><br/>'+
'<input id="fltPriceMax" type="number" style="width:80px;margin-top:5px" value="'+priceInfo.max+'"/><br/>'+
'<nobr><input id="fltPriceOne" type="checkbox" style="margin:6px -3px 0px 0px"'+checked+'"/><label for="fltPriceOne" style="float:right;margin-top:2px">使用独立设置</label></nobr><br/>'+
'</li>'
));
$('a.fltReload,#fltNameRegx,#fltPriceMin,#fltPriceMax').change(function() {
setTimeout(function() {
saveCurrentPagePrice();
doFilter();
}, 0);
});
$('#fltPriceOne').click(function() {
var oldChecked = !this.checked;
setTimeout(function() {
saveCurrentPagePrice(oldChecked);
$('#fltPriceMin').attr('value', priceInfo.min);
$('#fltPriceMax').attr('value', priceInfo.max);
doFilter();
}, 0);
});
} else setTimeout(uiInit, timerFreq);
}
//对页面执行过滤排序操作
function doFilter() {
var counts, counts2;
switch(currentPathname) {
case '/': //秒杀首页
var g0 = $('div.skwrap');
var mg = $('div.moregoods');
//先加载“更多好货”
if (mg.hasClass('o2loading')) {
mg.removeAttr('style');
}
else if (mg.hasClass('o2data-lazyload')) {
var loadMoreGoods = function() {
if (unsafeWindow.o2widgetLazyload !== undefined && unsafeWindow.o2widgetLazyload.detectRender !== undefined) {
mg.attr('style', 'position:fixed;top:0;display:hidden');
unsafeWindow.o2widgetLazyload.detectRender();
}
else setTimeout(loadMoreGoods, timerFreq);
};
loadMoreGoods();
}
else {
mg.css('min-height', '0');
//价格过滤
counts = filterGoods(g0); //正在抢购
//秒杀首页“即将开始”时段
if (mg.css('display') !== 'none') {
mg.removeAttr('style');
counts2 = filterGoods(mg); //更多好货
}
//处理“正在抢购”列表中的其他类型方块
var ul = g0.find('ul.seckill_mod_goodslist');
var all = groupObjs(ul.find('>li'), function(k, o) {
o = $(o);
if (o.hasClass('seckill_mod_goods')) return 0;
if (o.hasClass('spsk_brand_list_item')) return 1;
if (o.hasClass('brand_fullcut_item')) return 2;
return 3;
});
for(var i=0; i<4; ++i) {
ul.append($(all[i]).remove());
}
//强制加载方块内的图片
forceLoadLazyImgs(g0);
}
break;
case '/pinpai.html': //品牌秒杀
case '/brand.html': //品类秒杀
counts = filterGoods($('div.bprd'));
break;
case '/category.html': //分类秒杀
counts = filterGoods($('div.catinfo_seckillnow')); //当天正在秒杀的商品
counts2 = filterGoods($('div.catinfo_startsoon')); //明日秒杀的商品
break;
}
if (counts && counts[0] > 0) {
var fltRetPName = counts[1];
var fltRetPrice = counts[2];
if (counts2) {
fltRetPName += counts2[1];
fltRetPrice += counts2[2];
}
var tagA = $('#fltRetPName');
tagA.text(fltRetPName);
tagA.attr('title', tagA.attr('title0') + counts[1] + (counts2 ? ' + ' + counts2[1] : ''));
tagA = $('#fltRetPrice');
tagA.text(fltRetPrice);
tagA.attr('title', tagA.attr('title0') + counts[2] + (counts2 ? ' + ' + counts2[2] : ''));
}
else setTimeout(doFilter, timerFreq);
}
//对页面内的一个具体分类执行过滤排序操作
function filterGoods(goodsList) {
var goods = goodsList.find('li.seckill_mod_goods');
var fltRetPName = 0;
var fltRetPrice = 0;
if (goods.length > 0) {
fltRetPName = goods.length;
var groups = groupObjs(goods, function(k, o) {
o = $(o);
//记录原始索引位置
if (o.attr('idx') === undefined) o.attr('idx', k);
//按商品名过滤
if ((typeof(filterPName) === 'function' && !filterPName(getProductName(o), priceInfo.pageCat, priceInfo.pageCatId)) ||
(priceInfo.regexp && !priceInfo.regexp.test(getProductName(o)))) {
--fltRetPName;
return false;
}
//按价格过滤
var price = getPrice(o);
if (price.now < priceInfo.min || (0 < priceInfo.max && priceInfo.min <= priceInfo.max && priceInfo.max < price.now)) return false;
//标注优惠力度
var priceOff = price.pre - price.now;
var discount = price.now / price.pre;
var goodsInfo = o.find('.seckill_mod_goods_info');
if (discount <= 0.1) {
goodsInfo.attr('title', '1折以下（优惠'+priceOff+'）').css('background-color', 'gold'); //1折以下
} else if (discount <= 0.3) {
goodsInfo.attr('title', '3折以下（优惠'+priceOff+'）').css('background-color', 'springgreen'); //3折以下
} else if (discount <= 0.5) {
goodsInfo.attr('title', '5折以下（优惠'+priceOff+'）').css('background-color', '#BBFFEE'); //5折以下
} else if (discount <= 0.75) {
goodsInfo.attr('title', '75折以下（优惠'+priceOff+'）').css('background-color', '#CCEEFF'); //75折以下
} else if (priceOff >= 90) {
goodsInfo.attr('title', '优惠超过90（'+priceOff+'）').css('background-color', '#FFEEEE'); //优惠超过90
} else {
goodsInfo.removeAttr('title').css('background-color', '');
}
//命中
return true;
});
var niceGoods = groups[true];
if (niceGoods && niceGoods.length > 0) {
fltRetPrice = niceGoods.length;
//排序
niceGoods.sort(function(g1, g2) {
return getPrice(g1).now - getPrice(g2).now || //<---------------------------------------如果要降序，修改这里
$(g1).attr('idx') - $(g2).attr('idx');
});
//取消图片延迟加载
forceLoadLazyImgs(niceGoods);
//如果上一次过滤结果无符合条件商品，隐藏提示
var noGoods = goodsList.find('#noGoods');
if (noGoods.length == 1) groups[false].push(noGoods[0]);
} else {
niceGoods = goodsList.find('#noGoods')[0] || $('<center id="noGoods"><h2><br/>该分类下的所有商品都不符合过滤条件。<br/><br/><br/></h2></center');
}
//替换原内容
$(niceGoods).css('display', '');
$(groups[false]).css('display', 'none');
$(goods[0].closest('ul')).prepend($(niceGoods).remove());
}
return [goods.length, fltRetPName, fltRetPrice];
}
//取消图片延迟加载
function forceLoadLazyImgs(elms) {
var lazyImgs = $(elms).find('img[data-lazy-img][data-lazy-img!="done"]');
if (lazyImgs.length > 0) lazyImgs.each(function(idx) {
var img = $(this);
this.src = img.attr('data-lazy-img');
img.removeAttr('data-lazy-img');
});
}
//加载/保存页面价格设置
function loadPagePrice(pageKey) {
var g_min = GM_getValue('jd_miaosha_price_min');
var g_max = GM_getValue('jd_miaosha_price_max');
if (g_min === undefined) g_min = 0;
if (g_max === undefined) g_max = 0;
var p_min = GM_getValue(pageKey + '_price_min');
var p_max = GM_getValue(pageKey + '_price_max');
if (p_min === undefined) p_min = 0;
if (p_max === undefined) p_max = 0;
var checked = GM_getValue(pageKey);
var min = checked ? p_min : g_min;
var max = checked ? p_max : g_max;
var rsrc = GM_getValue(pageKey + '_name_regex_src');
if (rsrc === undefined) rsrc = '';
var rflg = GM_getValue(pageKey + '_name_regex_flg');
if (rflg === undefined) rflg = '';
var re = rsrc.length > 0 ? new RegExp(rsrc, rflg) : undefined;
var rs = rflg.length > 0 ? re.toString() : rsrc;
var parts = pageKey.split('_');
return {
pageKey: pageKey,
pageCat: parts[parts.length - 2],
pageCatId: parts[parts.length - 1],
usePageSetting: checked,
min: min,
max: max,
p_min: p_min,
p_max: p_max,
g_min: g_min,
g_max: g_max,
regstr: rs,
regexp: re,
};
}
function saveCurrentPagePrice(oldChecked) {
var min = getFloat($('#fltPriceMin').first().val());
var max = getFloat($('#fltPriceMax').first().val());
var keyMin, keyMax;
//更新
priceInfo.usePageSetting = $('#fltPriceOne').first().is(':checked');
if (oldChecked === undefined) oldChecked = priceInfo.usePageSetting;
if (oldChecked) {
priceInfo.p_min = min;
priceInfo.p_max = max;
keyMin = currentPageKey + '_price_min';
keyMax = currentPageKey + '_price_max';
}
else {
priceInfo.g_min = min;
priceInfo.g_max = max;
keyMin = 'jd_miaosha_price_min';
keyMax = 'jd_miaosha_price_max';
}
if (priceInfo.usePageSetting) {
priceInfo.min = priceInfo.p_min;
priceInfo.max = priceInfo.p_max;
}
else {
priceInfo.min = priceInfo.g_min;
priceInfo.max = priceInfo.g_max;
}
priceInfo.regstr = $('#fltNameRegx').first().val().trim();
if (priceInfo.regstr.length > 0) {
var r = /^\/(.*)\/([igm]{0,3})$/.exec(priceInfo.regstr);
priceInfo.regexp = r ? new RegExp(r[1], r[2]) : new RegExp(priceInfo.regstr);
}
else priceInfo.regexp = undefined;
//保存
if (min === 0) GM_deleteValue(keyMin); else GM_setValue(keyMin, min);
if (max === 0) GM_deleteValue(keyMax); else GM_setValue(keyMax, max);
if (priceInfo.usePageSetting || priceInfo.p_min > 0 || priceInfo.p_max > 0)
GM_setValue(currentPageKey, priceInfo.usePageSetting);
else GM_deleteValue(currentPageKey);
var regexKey = currentPageKey + '_name_regex';
if (priceInfo.regexp) {
var src = priceInfo.regexp.source;
if (src.length > 0 && src !== '(?:)')
GM_setValue(regexKey + '_src', priceInfo.regexp.source);
else GM_deleteValue(regexKey + '_src');
var flg = priceInfo.regexp.flags;
if (flg.length > 0)
GM_setValue(regexKey + '_flg', flg);
else GM_deleteValue(regexKey + '_flg');
}
else {
GM_deleteValue(regexKey + '_src');
GM_deleteValue(regexKey + '_flg');
}
}
//获取商品名
function getProductName(elm) {
return $(elm).find('.seckill_mod_goods_title').first().text().trim();
}
//获取商品价格
function getPrice(elm) {
return {
now: getFloat($(elm).find('.seckill_mod_goods_price_now').first().text()),
pre: getFloat($(elm).find('.seckill_mod_goods_price_pre').first().text())
};
}
//字串转浮点数
function getFloat(str) {
str = str.replace('￥','').replace('¥','').trim();
if (!/^-?(\d+|\d+\.\d+|\.\d+)([eE][-+]?\d+)?$/.test(str)) return 0; //非浮点数字串
return parseFloat(str);
}
})();
function groupObjs(objs, callback) {
if (objs instanceof jQuery) objs = $.makeArray(objs);
var ret = {};
for(var i=0; i<objs.length; ++i) {
var obj = objs[i];
var key = callback(i, obj);
if(!(key in ret)) ret[key] = [];
ret[key].push(obj);
}
return ret;
}