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过滤京东商品页，仅显示自营商品，在列表筛选中会新增一项可以勾选是否仅显示自营商品
// ==UserScript==
// @name 京东自营商品展示
// @namespace https://github.com/gam2046/userscript
// @description 过滤京东商品页，仅显示自营商品，在列表筛选中会新增一项可以勾选是否仅显示自营商品
// @author forDream
// @include *://list.jd.com/list.html?*
// @include *://search.jd.com/Search?*
// @run-at document-idle
// @supportURL https://github.com/gam2046/userscript/issues/new
// @version 0.4.1
// ==/UserScript==
(function () {
'use strict';
var extension = {
extensionSwitch: false,
selfGoodsCount: 0,
originalPager: undefined,
bottomPageText: undefined,
selfPattern: '//item\.jd\.com/\\d{6,7}.html',
isCategoryPage: function () { return window.location.host == 'list.jd.com'; },
pagerText: function () {
if (extension.isCategoryPage())
return '当前已加载' + SEARCH.adv_param.page + '页';
else
return "当前已加载" + SEARCH.current_page + "页 共计" + SEARCH.adv_param.page_count + "页";
},
const: {
aTagName: "fd_shown_jd_self_support_link",
liTagName: "fd_shown_jd_self_support"
},
enableExtension: function () { extension.extensionSwitch = true; },
disableExtension: function () { extension.extensionSwitch = false; },
initialization: function () {
window.setInterval(extension.funcAddSwitchbox, 2000);
window.setInterval(extension.funcFilterResult, 2000);
},
scrollPosition: function () {
return document.documentElement.scrollTop / document.documentElement.scrollHeight;
},
funcFilterResult: function () {
console.log("beginning to find jd self support goods.");
var items = document.getElementsByClassName("gl-item");
var count = 0;
for (var n = 0; n < items.length; n++) {
var item = items[n];
if (extension.extensionSwitch) { // 选中对话框
if (item.innerHTML.match(extension.selfPattern) == null) {
item.hidden = true;
count++;
console.log("Hidden index of " + n);
}
} else {
item.hidden = false;
}
}
extension.selfGoodsCount = items.length - count;
console.log("Total items " + items.length + " blocked " + count);
},
funcFindSwitchbox: function () {
var ul = document.getElementById("J_feature");
if (!ul) ul = document.getElementsByClassName("f-feature")[0];
return ul.children[0];
},
funcAddSwitchbox: function () {
if (document.getElementById(extension.const.liTagName) != null) {
document.getElementById(extension.const.aTagName).className = extension.extensionSwitch ? "selected" : "";
return;
}
var ul = extension.funcFindSwitchbox();
var li = document.createElement("li");
var a = document.createElement("a");
a.id = extension.const.aTagName;
a.href = "javascript:;";
a.className = extension.extensionSwitch ? "selected" : "";
a.innerHTML = "<i></i>仅显示京东自营商品";
a.onclick = extension.funcSwitchboxClick;
li.id = extension.const.liTagName;
li.appendChild(a);
ul.appendChild(li);
},
funcSwitchboxClick: function () {
extension.extensionSwitch = !extension.extensionSwitch;
extension.funcAddSwitchbox();
extension.funcModifyPagerJumper();
},
funcRequestGoods: function () {
// 根据页面分类加载下一页
if (extension.isCategoryPage()) {
extension.funcCategoryRequestGoods();
} else {
var totalPage = SEARCH.adv_param.page_count;
var currentPage = SEARCH.current_page;
if (currentPage < totalPage) {
SEARCH.scroll();
} else {
alert("已经到达最后一页，无法继续翻页");
}
}
// 更新页脚
extension.bottomPageText.innerText = extension.pagerText();
},
funcModifyPagerJumper: function () {
var pageWrap = document.getElementById("J_bottomPage");
var modifyTagId = "fd_bottomPage";
if (extension.extensionSwitch) {
// if (!SEARCH || !SEARCH.scroll) return; // 部分页面没有该对象则不修改页脚
// modify
pageWrap.hidden = true;
var modifyBottom = document.createElement("div");
modifyBottom.id = modifyTagId;
modifyBottom.className = "p-wrap";
document.getElementsByClassName("page clearfix")[0].appendChild(modifyBottom);
var pagerNum = document.createElement("span");
pagerNum.className = "p-num";
modifyBottom.appendChild(pagerNum);
var span = document.createElement("span");
span.innerText = extension.pagerText();
span.className = "p-skip";
extension.bottomPageText = span;
var nextButton = document.createElement("a");
nextButton.innerHTML = "<em>加载下一页</em><i>></i>";
nextButton.className = "pn-next";
nextButton.href = "javascript:;";
nextButton.onclick = extension.funcRequestGoods;
pagerNum.appendChild(span);
pagerNum.appendChild(nextButton);
} else {
// restore
pageWrap.hidden = false;
var modifyBottom = document.getElementById(modifyTagId);
if (modifyBottom) modifyBottom.remove();
}
},
funcCategoryRequestGoods: function () {
var page = parseInt(SEARCH.adv_param.page) + 1;
var requestBaseUrl = 'https://list.jd.com/list.html?cat=';
var requestArgs = [];
requestArgs.push(SEARCH.adv_param.cid1);
requestArgs.push(SEARCH.adv_param.cid2);
requestArgs.push(SEARCH.adv_param.cid3);
var url = requestBaseUrl + requestArgs.join() + '&page=' + page;
console.log('Try to connect next page', url);
$.get(url, function (data, status) {
if (status != 'success') {
alert('加载下一页内容失败');
return;
}
var div = document.createElement("div");
div.innerHTML = data;
var dom = div.childNodes;
var items = div.getElementsByClassName('gl-item');
console.log('items is ', items);
var ul = document.getElementsByClassName('gl-warp clearfix')[0];
for (var n = 0; n < items.length; n++) {
var item = items[n];
if (item.innerHTML.match(extension.selfPattern) != null) {
console.log('Find a self goods');
var imgs = item.getElementsByTagName("img");
for (var k = 0; k < imgs.length; k++) {
var img=imgs[k];
if (img && img.dataset.lazyImg)
img.src = dataset.lazyImg;
}
ul.appendChild(item);
}
}
});
// 翻页
SEARCH.adv_param.page = page;
console.log('Turn to page', page);
}
};
extension.initialization();
})();