V2ex 增强

自动签到、自动无缝翻页、回到顶部(右键点击两侧空白处)

目前為 2021-03-31 提交的版本,檢視 最新版本

// ==UserScript==
// @name         V2ex 增强
// @version      1.0.0
// @author       X.I.U
// @description  自动签到、自动无缝翻页、回到顶部(右键点击两侧空白处)
// @match        *://v2ex.com/*
// @match        *://*.v2ex.com/*
// @icon         https://www.v2ex.com/static/favicon.ico
// @grant        GM_xmlhttpRequest
// @grant        GM_registerMenuCommand
// @grant        GM_unregisterMenuCommand
// @grant        GM_openInTab
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_notification
// @license      GPL-3.0 License
// @run-at       document-end
// @namespace    https://github.com/XIU2/UserScript
// ==/UserScript==

(function() {
    var menu_ALL = [
        ['menu_autoClockIn', '自动签到', '自动签到', true],
        ['menu_pageLoading', '自动无缝翻页', '自动无缝翻页', true],
        ['menu_pageLoading_reply', '帖子内自动翻页', '帖子内自动翻页', false],
        ['menu_backToTop', '回到顶部(右键点击两侧空白处)', '回到顶部', true]
    ], menu_ID = [];
    for (let i=0;i<menu_ALL.length;i++){ // 如果读取到的值为 null 就写入默认值
        if (GM_getValue(menu_ALL[i][0]) == null){GM_setValue(menu_ALL[i][0], menu_ALL[i][3])};
    }
    registerMenuCommand();

    // 注册(不可用)脚本菜单
    function registerMenuCommand() {
        if (menu_ID.length > menu_ALL.length){ // 如果菜单ID数组多于菜单数组,说明不是首次添加菜单,需要卸载所有脚本菜单
            for (let i=0;i<menu_ID.length;i++){
                GM_unregisterMenuCommand(menu_ID[i]);
            }
        }
        for (let i=0;i<menu_ALL.length;i++){ // 循环注册(不可用)脚本菜单
            menu_ALL[i][3] = GM_getValue(menu_ALL[i][0]);
            menu_ID[i] = GM_registerMenuCommand(`[ ${menu_ALL[i][3]?'√':'×'} ] ${menu_ALL[i][1]}`, function(){menu_switch(`${menu_ALL[i][3]}`,`${menu_ALL[i][0]}`,`${menu_ALL[i][2]}`)});
        }
        menu_ID[menu_ID.length] = GM_registerMenuCommand('反馈 & 建议', function () {window.GM_openInTab('https://github.com/XIU2/UserScript#xiu2userscript', {active: true,insert: true,setParent: true});});
    }

    // 菜单开关
    function menu_switch(menu_status, Name, Tips) {
        if (menu_status == 'true'){
            GM_setValue(`${Name}`, false);
            GM_notification({text: `已关闭 [${Tips}] 功能\n(刷新网页后生效)`, title: '吾爱破解论坛增强', timeout: 3000});
        }else{
            GM_setValue(`${Name}`, true);
            GM_notification({text: `已开启 [${Tips}] 功能\n(刷新网页后生效)`, title: '吾爱破解论坛增强', timeout: 3000});
        }
        registerMenuCommand(); // 重新注册(不可用)脚本菜单
    };

    // 返回菜单值
    function menu_value(menuName) {
        for (let menu of menu_ALL) {
            if (menu[0] == menuName) {
                return menu[3]
            }
        }
    }


    // 默认 ID 为 0
    var curSite = {SiteTypeID: 0};

    // 自动翻页规则,HT_insert:1 = 插入该元素的前面;2 = 插入该元素内的最后面
    let DBSite = {
        recent: { // 最近主题页
            SiteTypeID: 1,
            pager: {
                type: 1,
                nextLink: '//a[@class="page_current"]/following-sibling::a[1][@href]',
                pageElement: 'css;.cell.item',
                HT_insert: ['//*[@id="Main"]//div[@class="box"]//div[@class="cell"][last()]', 1],
                replaceE: 'css;#Main .box .cell:not(.item) > table',
                scrollDelta: 600
            }
        },
        notifications: { // 提醒消息页
            SiteTypeID: 2,
            pager: {
                type: 1,
                nextLink: '//a[@class="page_current"]/following-sibling::a[1][@href]',
                pageElement: 'css;#notifications > div',
                HT_insert: ['css;#notifications', 2],
                replaceE: 'css;#Main .box > .cell:not(.item) > table',
                scrollDelta: 600
            }
        },
        replies: { // 用户回复页
            SiteTypeID: 3,
            pager: {
                type: 1,
                nextLink: '//a[@class="page_current"]/following-sibling::a[1][@href]',
                pageElement: '//*[@id="Main"]//div[@class="box"]//div[@class="dock_area"] | //*[@id="Main"]//div[@class="box"]//div[@class="inner"] | //*[@id="Main"]//div[@class="box"]//div[@class="dock_area"][last()]/following-sibling::div[@class="cell"][1]',
                HT_insert: ['//*[@id="Main"]//div[@class="box"]//div[@class="cell"][last()]', 1],
                replaceE: 'css;#Main .box .cell:not(.item) > table',
                scrollDelta: 1000
            }
        },
        go: { // 分类主题页
            SiteTypeID: 4,
            pager: {
                type: 1,
                nextLink: '//a[@class="page_current"]/following-sibling::a[1][@href]',
                pageElement: 'css;#TopicsNode > div',
                HT_insert: ['css;#TopicsNode', 2],
                replaceE: 'css;#Main .box > .cell:not(.item) > table',
                scrollDelta: 700
            }
        },
        reply: { // 帖子内容页
            SiteTypeID: 5,
            pager: {
                type: 1,
                nextLink: '//a[@class="page_current"]/preceding-sibling::a[1][@href]',
                pageElement: 'css;.cell[id^="r_"]',
                HT_insert: ['//div[starts-with(@id, "r_")][last()]/following-sibling::div[@class="cell"][1]', 1],
                replaceE: 'css;#Main .box > .cell:not(.normalUser) > table',
                scrollDelta: 700
            }
        },
        reply_positive: { // 帖子内容页(正序)
            SiteTypeID: 6,
            pager: {
                type: 1,
                nextLink: '//a[@class="page_current"]/preceding-sibling::a[1][@href]',
                pageElement: 'css;.cell[id^="r_"]',
                HT_insert: ['//div[starts-with(@id, "r_")][position()=1]', 1],
                replaceE: 'css;#Main .box > .cell:not(.normalUser) > table',
                scrollDelta: 700
            }
        }
    };


    switch (location.pathname) {
        case "/recent": // 最近主题页
            curSite = DBSite.recent;
            break;
        case "/notifications": // 提醒消息页
            curSite = DBSite.notifications;
            break;
        case "/member/XIU2/replies": // 用户回复页
            curSite = DBSite.replies;
            break;
        default:
            if (location.pathname.indexOf('/go/') > -1) { // 分类主题页
                curSite = DBSite.go;
            } else if (location.pathname.indexOf('/t/') > -1) { // 帖子内容页
                if(menu_value('menu_pageLoading_reply'))curSite = DBSite.reply_positive;
            }
    }

    curSite.pageUrl = ""; // 下一页URL
    if(menu_value('menu_autoClockIn'))setTimeout(qianDao, 1000) // 自动签到(后台),延迟 1 秒执行是为了兼容 [V2ex Plus] 扩展
    if(menu_value('menu_pageLoading'))pageLoading // 自动翻页(无缝)
    if(menu_value('menu_backToTop'))backToTop(); // 回到顶部(右键点击空白处)


    // 自动签到(后台)
    function qianDao() {
        let qiandao = document.querySelector('.box .inner a[href="/mission/daily"]');
        if (qiandao) {
            let url = (location.origin + "/mission/daily/redeem?" + RegExp("once\\=(\\d+)").exec(document.querySelector('div#Top .tools').innerHTML)[0]);
            GM_xmlhttpRequest({
                url: url,
                method: "GET",
                timeout: 5000,
                onload: function (response) {
                    let html = ShowPager.createDocumentByString(response.responseText);
                    console.log(html)
                    if (html.querySelector('li.fa.fa-ok-sign')) {
                        html = html.getElementById('Main').innerText.match(/已连续登录(不可用) (\d+?) 天/)[0];
                        qiandao.innerText = `自动签到成功!${html}`;
                        qiandao.href = '#';
                    } else {
                        GM_notification({text: '自动签到失败!请联系作者解决!', timeout: 4000});
                    }
                }
            });
        } else if (document.getElementById('gift_v2excellent')) { // 兼容 [V2ex Plus] 扩展
            document.getElementById('gift_v2excellent').click();
        }
    }


    // 回到顶部(右键点击空白处)
    function backToTop() {
        document.getElementById("Wrapper").oncontextmenu = function(event){
            if (event.target==this) {
                event.preventDefault();
                window.scrollTo(0,0)
            }
        }
        /*let backToTop = `<div style="position: fixed;bottom: 0;right: 0;opacity: 0.1;"><div style="transition: height .2s ease;"><button type="button" style="display: flex;align-items: center;justify-content: center;background: #fff;border-radius: 3px;width: 200px;height: 200px;color: #8590a6;box-shadow: 0 1px 3px rgba(18,18,18,.1);border: none;cursor: pointer;outline: none;" title="回到顶部" onclick="window.scrollTo(0,0)"><svg fill="currentColor" viewBox="0 0 24 24" width="24" height="24"><path d="M16.036 19.59a1 1 0 0 1-.997.995H9.032a.996.996 0 0 1-.997-.996v-7.005H5.03c-1.1 0-1.36-.633-.578-1.416L11.33 4.29a1.003 1.003 0 0 1 1.412 0l6.878 6.88c.782.78.523 1.415-.58 1.415h-3.004v7.005z"></path></svg></button></div></div>`
        let backToTop_add = document.createElement('div');
        backToTop_add.innerHTML = `${backToTop}`;
        document.body.appendChild(backToTop_add);*/
    }


    // 自动无缝翻页
    function pageLoading() {
        if (curSite.SiteTypeID > 0){
            windowScroll(function (direction, e) {
                if (direction === "down") { // 下滑才准备翻页
                    let scrollTop = document.documentElement.scrollTop || window.pageYOffset || document.body.scrollTop;
                    //console.log(document.documentElement.scrollHeight)
                    let scrollDelta = curSite.pager.scrollDelta;
                    if (document.documentElement.scrollHeight <= document.documentElement.clientHeight + scrollTop + scrollDelta) {
                        if (curSite.pager.type === 1) {
                            ShowPager.loadMorePage();
                        }else{
                            let autopbn = document.querySelector(curSite.pager.nextLink);
                            if (autopbn){
                                autopbn.click();
                            }
                        }
                    }
                }
            });
        }
    }


    // 滚动条事件
    function windowScroll(fn1) {
        var beforeScrollTop = document.documentElement.scrollTop,
            fn = fn1 || function () {};
        setTimeout(function () { // 延时执行,避免刚载入到页面就触发翻页事件
            window.addEventListener("scroll", function (e) {
                var afterScrollTop = document.documentElement.scrollTop,
                    delta = afterScrollTop - beforeScrollTop;
                if (delta == 0) return false;
                fn(delta > 0 ? "down" : "up", e);
                beforeScrollTop = afterScrollTop;
            }, false);
        }, 1000)
    }


    var ShowPager = { // 修改自 https://gf.qytechs.cn/scripts/14178
        getFullHref: function (e) {
            if(e == null) return '';
            "string" != typeof e && (e = e.getAttribute("href"));
            var t = this.getFullHref.a;
            return t || (this.getFullHref.a = t = document.createElement("a")), t.href = e, t.href;
        },
        createDocumentByString: function (e) {
            if (e) {
                if ("HTML" !== document.documentElement.nodeName) return (new DOMParser).parseFromString(e, "application/xhtml+xml");
                var t;
                try {
                    t = (new DOMParser).parseFromString(e, "text/html");
                } catch (e) {
                }
                if (t) return t;
                if (document.implementation.createHTMLDocument) t = document.implementation.createHTMLDocument("ADocument"); else try {
                    (t = document.cloneNode(!1)).appendChild(t.importNode(document.documentElement, !1)),
                        t.documentElement.appendChild(t.createElement("head")), t.documentElement.appendChild(t.createElement("body"));
                } catch (e) {
                }
                if (t) {
                    var r = document.createRange();
                    r.selectNodeContents(document.body);
                    var n = r.createContextualFragment(e);
                    t.body.appendChild(n);
                    for (var a, o = {
                        TITLE: !0,
                        META: !0,
                        LINK: !0,
                        STYLE: !0,
                        BASE: !0
                    }, i = t.body, s = i.childNodes, c = s.length - 1; c >= 0; c--) o[(a = s[c]).nodeName] && i.removeChild(a);
                    return t;
                }
            } else console.error("没有找到要转成DOM的字符串");
        },
        loadMorePage: function () {
            if (curSite.pager) {
                let curPageEle = getElementByXpath(curSite.pager.nextLink);
                var url = this.getFullHref(curPageEle);
                //console.log(`${url} ${curPageEle} ${curSite.pageUrl}`);
                if(url === '') return;
                if(curSite.pageUrl === url) return;// 不会重复加载相同的页面
                curSite.pageUrl = url;
                // 读取下一页的数据
                curSite.pager.startFilter && curSite.pager.startFilter();
                GM_xmlhttpRequest({
                    url: url,
                    method: "GET",
                    timeout: 5000,
                    onload: function (response) {
                        try {
                            var newBody = ShowPager.createDocumentByString(response.responseText);
                            let pageElems = getAllElements(curSite.pager.pageElement, newBody, newBody);
                            let toElement = getAllElements(curSite.pager.HT_insert[0])[0];
                            if (pageElems.length >= 0) {
                                let addTo = "beforeend";
                                if (curSite.pager.HT_insert[1] == 1) addTo = "beforebegin";
                                // 插入新页面元素
                                pageElems.forEach(function (one) {
                                    toElement.insertAdjacentElement(addTo, one);
                                });
                                // 替换待替换元素
                                try {
                                    let oriE = getAllElements(curSite.pager.replaceE);
                                    let repE = getAllElements(curSite.pager.replaceE, newBody, newBody);
                                    if (oriE.length === repE.length) {
                                        for (var i = 0; i < oriE.length; i++) {
                                            oriE[i].outerHTML = repE[i].outerHTML;
                                        }
                                    }
                                } catch (e) {
                                    console.log(e);
                                }
                            }
                        } catch (e) {
                            console.log(e);
                        }
                    }
                });
            }
        },
    };


    function getElementByXpath(e, t, r) {
        r = r || document, t = t || r;
        try {
            return r.evaluate(e, t, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
        } catch (t) {
            return void console.error("无效的xpath");
        }
    }


    function getAllElements(e, t, r, n, o) {
        let getAllElementsByXpath = function(e, t, r) {
            return r = r || document, t = t || r, r.evaluate(e, t, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
        }

        var i, s = [];
        if (!e) return s;
        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) {
            return (t || document).querySelectorAll(e);
        }(e.slice(4), t) : getAllElementsByXpath(e, t, r); else {
            if (!(i = e(r, n, o))) return s;
            if (i.nodeType) return s[0] = i, s;
        }
        return function makeArray(e) {
            var t, r, n, o = [];
            if (e.pop) {
                for (t = 0, r = e.length; t < r; t++) (n = e[t]) && (n.nodeType ? o.push(n) : o = o.concat(makeArray(n)));
                return a()(o);
            }
            if (e.item) {
                for (t = e.length; t;) o[--t] = e[t];
                return o;
            }
            if (e.iterateNext) {
                for (t = e.snapshotLength; t;) o[--t] = e.snapshotItem(t);
                return o;
            }
        }(i);
    }
})();

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