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自动无缝翻页

自动无缝翻页，目前支持：423Down、Apphot(原烈火汉化)

当前为 2021-01-04 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         自动无缝翻页
  3. // @version      1.1.0
  4. // @author       X.I.U
  5. // @description  自动无缝翻页，目前支持：423Down、Apphot(原烈火汉化)
  6. // @match        *://www.423down.com/*
  7. // @exclude      *://www.423down.com/*.html
  8. // @match        *://apphot.cc/*
  9. // @exclude      *://apphot.cc/*.html
  10. // @icon         https://github.githubassets.com/favicon.ico
  11. // @grant        GM_xmlhttpRequest
  12. // @grant        GM_registerMenuCommand
  13. // @grant        GM_openInTab
  14. // @license      GPL-3.0 License
  15. // @run-at       document-end
  16. // @namespace    https://github.com/XIU2/UserScript
  17. // ==/UserScript==
  18.  
  19. (function() {
  20.     // 注册(不可用)脚本菜单
  21.     GM_registerMenuCommand('反馈 & 申请添加支持', function () {window.GM_openInTab('https://github.com/XIU2/UserScript#xiu2userscript', {active: true,insert: true,setParent: true});});
  22.  
  23.     // 默认 ID 为 0
  24.     var curSite = {SiteTypeID: 0};
  25.  
  26.     // 自动翻页规则
  27.     let DBSite = {
  28.         postslist_423down: {
  29.             SiteTypeID: 1,
  30.             pager: {
  31.                 nextLink: '//div[@class="paging"]//a[contains(text(),"下一页")][@href]',
  32.                 pageElement: 'css;div.content-wrap ul.excerpt > li',
  33.                 HT_insert: ['css;div.content-wrap ul.excerpt', 2],
  34.                 replaceE: 'css;div.paging',
  35.                 scrollDelta: 1300
  36.             }
  37.         },
  38.         postslist_apphot: {
  39.             SiteTypeID: 2,
  40.             pager: {
  41.                 nextLink: '//div[@class="pagination"]//a[contains(text(),"下一页")][@href]',
  42.                 pageElement: 'css;div.content > article.excerpt',
  43.                 HT_insert: ['css;div.pagination', 1],
  44.                 replaceE: 'css;div.pagination',
  45.                 scrollDelta: 1500
  46.             }
  47.         }
  48.     };
  49.  
  50.     // 用于脚本内部判断当前 URL 类型
  51.     let SiteType = {
  52.         POSTSLIST_423DOWN: DBSite.postslist_423down.SiteTypeID,
  53.         POSTSLIST_APPHOT: DBSite.postslist_apphot.SiteTypeID
  54.     };
  55.  
  56.     switch (location.host) {
  57.         case "www.423down.com":
  58.             curSite = DBSite.postslist_423down;
  59.             break;
  60.         case "apphot.cc":
  61.             curSite = DBSite.postslist_apphot;
  62.             break;
  63.     }
  64.     curSite.pageUrl = ""; // 下一页URL
  65.     pageLoading(); // 自动无缝翻页
  66.  
  67.  
  68.     // 自动无缝翻页
  69.     function pageLoading() {
  70.         if (curSite.SiteTypeID > 0){
  71.             windowScroll(function (direction, e) {
  72.                 if (direction === "down") { // 下滑才准备翻页
  73.                     var scrollTop = document.documentElement.scrollTop || window.pageYOffset || document.body.scrollTop;
  74.                     let scrollDelta = curSite.pager.scrollDelta;
  75.                     if (document.documentElement.scrollHeight <= document.documentElement.clientHeight + scrollTop + scrollDelta) {
  76.                         ShowPager.loadMorePage();
  77.                     }
  78.                 }
  79.             });
  80.         }
  81.     }
  82.  
  83.  
  84.     // 滚动条事件
  85.     function windowScroll(fn1) {
  86.         var beforeScrollTop = document.documentElement.scrollTop,
  87.             fn = fn1 || function () {};
  88.         setTimeout(function () { // 延时执行，避免刚载入到页面就触发翻页事件
  89.             window.addEventListener("scroll", function (e) {
  90.                 var afterScrollTop = document.documentElement.scrollTop,
  91.                     delta = afterScrollTop - beforeScrollTop;
  92.                 if (delta == 0) return false;
  93.                 fn(delta > 0 ? "down" : "up", e);
  94.                 beforeScrollTop = afterScrollTop;
  95.             }, false);
  96.         }, 1000)
  97.     }
  98.  
  99.  
  100.     var ShowPager = { // 修改自 https://gf.qytechs.cn/scripts/14178
  101.         getFullHref: function (e) {
  102.             if(e == null) return '';
  103.             "string" != typeof e && (e = e.getAttribute("href"));
  104.             var t = this.getFullHref.a;
  105.             return t || (this.getFullHref.a = t = document.createElement("a")), t.href = e, t.href;
  106.         },
  107.         createDocumentByString: function (e) {
  108.             if (e) {
  109.                 if ("HTML" !== document.documentElement.nodeName) return (new DOMParser).parseFromString(e, "application/xhtml+xml");
  110.                 var t;
  111.                 try {
  112.                     t = (new DOMParser).parseFromString(e, "text/html");
  113.                 } catch (e) {
  114.                 }
  115.                 if (t) return t;
  116.                 if (document.implementation.createHTMLDocument) t = document.implementation.createHTMLDocument("ADocument"); else try {
  117.                     (t = document.cloneNode(!1)).appendChild(t.importNode(document.documentElement, !1)),
  118.                         t.documentElement.appendChild(t.createElement("head")), t.documentElement.appendChild(t.createElement("body"));
  119.                 } catch (e) {
  120.                 }
  121.                 if (t) {
  122.                     var r = document.createRange();
  123.                     r.selectNodeContents(document.body);
  124.                     var n = r.createContextualFragment(e);
  125.                     t.body.appendChild(n);
  126.                     for (var a, o = {
  127.                         TITLE: !0,
  128.                         META: !0,
  129.                         LINK: !0,
  130.                         STYLE: !0,
  131.                         BASE: !0
  132.                     }, i = t.body, s = i.childNodes, c = s.length - 1; c >= 0; c--) o[(a = s[c]).nodeName] && i.removeChild(a);
  133.                     return t;
  134.                 }
  135.             } else console.error("没有找到要转成DOM的字符串");
  136.         },
  137.         loadMorePage: function () {
  138.             if (curSite.pager) {
  139.                 let curPageEle = getElementByXpath(curSite.pager.nextLink);
  140.                 var url = this.getFullHref(curPageEle);
  141.                 //console.log(`${url} ${curPageEle} ${curSite.pageUrl}`);
  142.                 if(url === '') return;
  143.                 if(curSite.pageUrl === url) return;// 不会重复加载相同的页面
  144.                 curSite.pageUrl = url;
  145.                 // 读取下一页的数据
  146.                 curSite.pager.startFilter && curSite.pager.startFilter();
  147.                 GM_xmlhttpRequest({
  148.                     url: url,
  149.                     method: "GET",
  150.                     timeout: 5000,
  151.                     onload: function (response) {
  152.                         try {
  153.                             var newBody = ShowPager.createDocumentByString(response.responseText);
  154.                             let pageElems = getAllElements(curSite.pager.pageElement, newBody, newBody);
  155.                             let toElement = getAllElements(curSite.pager.HT_insert[0])[0];
  156.                             if (pageElems.length >= 0) {
  157.                                 let addTo = "beforeend";
  158.                                 if (curSite.pager.HT_insert[1] == 1) addTo = "beforebegin";
  159.                                 // 插入新页面元素
  160.                                 pageElems.forEach(function (one) {
  161.                                     toElement.insertAdjacentElement(addTo, one);
  162.                                 });
  163.                                 // 替换待替换元素
  164.                                 try {
  165.                                     let oriE = getAllElements(curSite.pager.replaceE);
  166.                                     let repE = getAllElements(curSite.pager.replaceE, newBody, newBody);
  167.                                     if (oriE.length === repE.length) {
  168.                                         for (var i = 0; i < oriE.length; i++) {
  169.                                             oriE[i].outerHTML = repE[i].outerHTML;
  170.                                         }
  171.                                     }
  172.                                 } catch (e) {
  173.                                     console.log(e);
  174.                                 }
  175.                             }
  176.                         } catch (e) {
  177.                             console.log(e);
  178.                         }
  179.                     }
  180.                 });
  181.             }
  182.         },
  183.     };
  184.  
  185.  
  186.     function getElementByXpath(e, t, r) {
  187.       r = r || document, t = t || r;
  188.       try {
  189.         return r.evaluate(e, t, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
  190.       } catch (t) {
  191.         return void console.error("无效的xpath");
  192.       }
  193.     }
  194.  
  195.  
  196.     function getAllElements(e, t, r, n, o) {
  197.       let getAllElementsByXpath = function(e, t, r) {
  198.         return r = r || document, t = t || r, r.evaluate(e, t, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
  199.       }
  200.  
  201.       var i, s = [];
  202.       if (!e) return s;
  203.       if (r = r || document, n = n || window, o = o || void 0, t = t || r, "string" == typeof e) i = 0 === e.search(/^css;/i) ? function getAllElementsByCSS(e, t) {
  204.         return (t || document).querySelectorAll(e);
  205.       }(e.slice(4), t) : getAllElementsByXpath(e, t, r); else {
  206.         if (!(i = e(r, n, o))) return s;
  207.         if (i.nodeType) return s[0] = i, s;
  208.       }
  209.       return function makeArray(e) {
  210.         var t, r, n, o = [];
  211.         if (e.pop) {
  212.           for (t = 0, r = e.length; t < r; t++) (n = e[t]) && (n.nodeType ? o.push(n) : o = o.concat(makeArray(n)));
  213.           return a()(o);
  214.         }
  215.         if (e.item) {
  216.           for (t = e.length; t;) o[--t] = e[t];
  217.           return o;
  218.         }
  219.         if (e.iterateNext) {
  220.           for (t = e.snapshotLength; t;) o[--t] = e.snapshotItem(t);
  221.           return o;
  222.         }
  223.       }(i);
  224.     }
  225. })();

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