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按价格过滤并排序（价格升序）秒杀商品列表
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// ==UserScript==
// @name 京东秒杀价格过滤
// @version 0.3.0.2
// @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
// @match *://miaosha.jd.com/pinpai.html?brand_id=*
// @match *://miaosha.jd.com/brand.html?brand_id=*
// @match *://miaosha.jd.com/category.html?cate_id=*
// @run-at document-end
// @namespace http://tampermonkey.net/
// ==/UserScript==
/**********************************************************/
//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 'pinpai': //品牌秒杀
break;
case 'brand': //品类秒杀
break;
case 'category': //分类秒杀
if (catId == 34) { //潮流鞋靴
if (!pname.match('男')) return false;
}
break;
}
return true;
}
/**********************************************************/
(function() {
if (!location.href.match('miaosha.jd.com')) return;
//扫描页面的间隔频率时间
var timerFreq = 1000;
var currentPageKey = 'jd_miaosha_' + location.pathname.split(/[\/\.]/)[1] + '_' + location.search.split('&')[0].split('=')[1];
var priceInfo = loadPagePrice(currentPageKey);
var priceUI = setInterval(uiInit, timerFreq);
var priceFilter = setInterval(doFilter, timerFreq);
//向页面右下角的浮动工具栏尾部追加价格过滤部件
function uiInit() {
clearInterval(priceUI);
var uiPos = $('#sk_mod_er');
if (uiPos.length > 0) {
var checked = priceInfo.checked ? ' checked="true"' : '';
uiPos.append($(
'<div class="sk_mod_er_mobile" style="color:white;padding:7px;float:left;text-align:left">'+
'<nobr>价格范围：<a id="fltReload" href style="color:white;font-weight:700" title="将会重新加载页面">刷新</a></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/>'+
'</div>'
));
var onPriceChange = function() {
setTimeout(function() {
saveCurrentPagePrice();
}, 0);
};
$('#fltReload').first().click(onPriceChange);
$('#fltPriceMin').first().change(onPriceChange);
$('#fltPriceMax').first().change(onPriceChange);
$('#fltPriceOne').first().click(function() {
var oldChecked = !this.checked;
setTimeout(function() {
saveCurrentPagePrice(oldChecked);
$('#fltPriceMin').attr('value', priceInfo.min);
$('#fltPriceMax').attr('value', priceInfo.max);
}, 0);
});
} else priceUI = setInterval(uiInit, timerFreq);
}
//对页面执行过滤排序操作
function doFilter() {
clearInterval(priceFilter);
var count = 0;
switch(location.pathname) {
case '/': //秒杀首页
//count += filterGoods($('div.skwrap')); //正在抢购
//count += filterGoods($('div.moregoods')); //更多好货
break;
case '/pinpai.html': //品牌秒杀
case '/brand.html': //品类秒杀
count += filterGoods($('div.bprd'));
break;
case '/category.html': //分类秒杀
count += filterGoods($('div.catinfo_seckillnow')); //当天正在秒杀的商品
count += filterGoods($('div.catinfo_startsoon')); //明日秒杀的商品
break;
}
if (count === 0) priceFilter = setInterval(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');
if (goods.length > 0) {
var niceGoods = [];
goods.each(function(idx){
//按商品名过滤
if (typeof(filterPName) === 'function') {
var pname = getProductName(this);
if (!filterPName(pname, priceInfo.pageCat, priceInfo.pageCatId)) return;
}
//按价格过滤
var price = getPrice(this);
if (price.now < priceInfo.min || (0 < priceInfo.max && priceInfo.min <= priceInfo.max && priceInfo.max < price.now)) return;
//标注优惠力度
var priceOff = price.pre - price.now;
var discount = price.now / price.pre;
if (discount <= 0.1) {
$(this).find('div.seckill_mod_goods_info').attr('title', '1折以下（优惠'+priceOff+'）').css('background-color', 'gold'); //1折以下
} else if (discount <= 0.3) {
$(this).find('div.seckill_mod_goods_info').attr('title', '3折以下（优惠'+priceOff+'）').css('background-color', 'springgreen'); //3折以下
} else if (discount <= 0.5) {
$(this).find('div.seckill_mod_goods_info').attr('title', '5折以下（优惠'+priceOff+'）').css('background-color', '#BBFFEE'); //5折以下
} else if (discount <= 0.75) {
$(this).find('div.seckill_mod_goods_info').attr('title', '75折以下（优惠'+priceOff+'）').css('background-color', '#CCEEFF'); //75折以下
} else if (priceOff >= 90) {
$(this).find('div.seckill_mod_goods_info').attr('title', '优惠超过90（'+priceOff+'）').css('background-color', '#FFEEEE'); //优惠超过90
}
//命中
niceGoods.push(this);
});
//排序
if (niceGoods.length > 0) {
niceGoods.sort(function(g1, g2){
return getPrice(g1).now - getPrice(g2).now; //<---------------------------------------如果要降序，修改这里
});
//取消延迟加载
var lazyImgs = $(niceGoods).find('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');
});
} else niceGoods = $('<center><h2><br/>该分类下所有商品的价格都不符合过滤条件。<br/></h2></center');
//替换原内容
$(goods[0].closest('ul')).empty().append(niceGoods);
}
return goods.length;
}
//加载/保存页面价格设置
function loadPagePrice(pageKey) {
var g_min = GM_getValue('jd_miaosha_price_min');
var g_max = GM_getValue('jd_miaosha_price_max');
if (g_min === undefined) g_min = 0;
if (g_max === undefined) g_max = 0;
var p_min = GM_getValue(pageKey + '_price_min');
var p_max = GM_getValue(pageKey + '_price_max');
if (p_min === undefined) p_min = 0;
if (p_max === undefined) p_max = 0;
var checked = GM_getValue(pageKey);
var min = checked ? p_min : g_min;
var max = checked ? p_max : g_max;
var parts = pageKey.split('_');
return {
pageKey: pageKey,
pageCat: parts[parts.length - 2],
pageCatId: parts[parts.length - 1],
checked: checked,
min: min,
max: max,
p_min: p_min,
p_max: p_max,
g_min: g_min,
g_max: g_max,
};
}
function saveCurrentPagePrice(oldChecked) {
var min = getFloat($('#fltPriceMin').first().val());
var max = getFloat($('#fltPriceMax').first().val());
var keyMin, keyMax;
//更新
priceInfo.checked = $('#fltPriceOne').first().is(':checked');
if (oldChecked === undefined) oldChecked = priceInfo.checked;
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.checked) {
priceInfo.min = priceInfo.p_min;
priceInfo.max = priceInfo.p_max;
}
else {
priceInfo.min = priceInfo.g_min;
priceInfo.max = priceInfo.g_max;
}
//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.checked || priceInfo.p_min > 0 || priceInfo.p_max > 0)
GM_setValue(currentPageKey, priceInfo.checked);
else GM_deleteValue(currentPageKey);
}
//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);
}
})();