☰

Greasy Fork is available in English.

微博抽奖小助手（非官方）

打开微博帖子页面，按L载入转发用户，按S抽奖。

  1. // ==UserScript==
  2. // @name         微博抽奖小助手（非官方）
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.6
  5. // @description  打开微博帖子页面，按L载入转发用户，按S抽奖。
  6. // @author       Kasei
  7. // @match        https://weibo.com/*/*
  8. // @icon         https://www.google.com/s2/favicons?sz=64&domain=weibo.com
  9. // @grant        none
  10. // @license      MIT
  11. // ==/UserScript==
  12. (function() {
  13.     'use strict';
  14.     setTimeout(function() {
  15.         // Get infromation based on URL
  16.         var url_component = document.URL.split(/[#,/?]/g);
  17.         document.uid = url_component[3];
  18.         document.post_id = url_component[4];
  19.         if (!/^[0-9]+$/.test(document.uid) || !/^[A-Za-z0-9]+$/.test(document.post_id)) {
  20.             console.log("Not a post page");
  21.             return;
  22.         }
  23.         // GUI
  24.         var button_container = document.querySelector("footer>div.woo-box-flex.woo-box-alignCenter");
  25.         var button_element = button_container.children[0].cloneNode(true);
  26.         button_container.appendChild(button_element);
  27.         var button_text = button_element.querySelector(".woo-box-alignCenter>span");
  28.         button_text.innerHTML = ' 抽奖 ';
  29.         // button_element.querySelector(".woo-pop-ctrl").setAttribute("id", "shuffle");
  30.         // Load post information
  31.         function get_post() {
  32.             var requestOptions = {
  33.                 method: 'GET',
  34.                 redirect: 'follow'
  35.             };
  36.             return fetch(`https://weibo.com/ajax/statuses/show?id=${document.post_id}`, requestOptions);
  37.         }
  38.         // Load re-post page
  39.         function get_next_page() {
  40.             var requestOptions = {
  41.                 method: 'GET',
  42.                 redirect: 'follow'
  43.             };
  44.             if (document.arg_data.page == 1 || document.arg_data.page <= document.arg_data.max_page) {
  45.                 console.log(`Loading Page ${document.arg_data.page}`);
  46.                 if (button_text) {
  47.                     var percentage = document.arg_data.page / document.arg_data.max_page * 100;
  48.                     button_text.innerHTML = `${percentage > 0?percentage.toFixed(2):0}%`;
  49.                 }
  50.                 return fetch(`https://weibo.com/ajax/statuses/repostTimeline?id=${document.arg_data.id}&page=${document.arg_data.page}&moduleID=feed&count=${document.arg_data.page==1?10:20}`, requestOptions)
  51.                     .then((response) => {
  52.                         return response.json();
  53.                     }).then((repost_data) => {
  54.                         repost_data.data.forEach((dat) => {
  55.                             document.arg_data.users[dat.user.id] = {
  56.                                 "name": dat.user.screen_name,
  57.                                 "time": new Date(dat.created_at)
  58.                             }
  59.                         })
  60.                         document.arg_data.page = document.arg_data.page + 1;
  61.                         document.arg_data.max_page = repost_data.max_page;
  62.                     }).then(get_next_page);
  63.             } else {
  64.                 return document.arg_data.users;
  65.             }
  66.         }
  67.         // Load users into document.usr
  68.         function load_users() {
  69. 			if (document.arg_data != undefined) {
  70. 				window.alert("正在载入转发人，请等待读条完毕");
  71. 				return;
  72. 			}
  73.             window.alert("载入转发人，请稍后");
  74.             return get_post().then((response) => {
  75.                 return response.json();
  76.             }).then((post_data) => {
  77.                 document.arg_data = {
  78.                     "id": post_data.id,
  79.                     "reposts_count": post_data.reposts_count,
  80.                     "page": 1,
  81.                     "max_page": -1,
  82.                     "users": {}
  83.                 };
  84.             }).then(get_next_page).then((usr) => {
  85.                 document.ready_shuffle = true;
  86.                 document.usr = usr;
  87. 				document.arg_data = undefined;
  88.             }).catch((error) => {
  89. 				document.arg_data = undefined;
  90. 				window.alert("载入错误，请重试。");
  91.                 console.error('Error:', error);
  92.             }).then(() => {
  93.                 var uid_list = Object.keys(document.usr);
  94.                 window.alert(`载入转发列表成功：总计${Object.keys(uid_list).length}个抽选者`);
  95.                 button_text.innerHTML = ' 开抽 ';
  96.             });
  97.         }
  98. 		// Durstenfeld shuffle
  99. 		function shuffleArray(array) {
  100. 			for (let i = array.length - 1; i > 0; i--) {
  101. 				const j = Math.floor(Math.random() * (i + 1));
  102. 				[array[i], array[j]] = [array[j], array[i]];
  103. 			}
  104. 		}
  105.         // Shuffle for award winner
  106.         function check_award() {
  107. 			// Const for text
  108. 			const cutoff_prompt = "请输入抽奖截止时间：";
  109. 			const count_prompt = "请输入中奖人个数：";
  110. 			// Get cut off date
  111.             var cutoff_date = new Date(prompt(cutoff_prompt, "" + Date()));
  112. 			while (cutoff_date instanceof Date && isNaN(cutoff_date)) { // Is invalid date
  113. 				cutoff_date = new Date(prompt(cutoff_prompt, "" + Date()));
  114. 			}
  115. 			// Construct array for uid list
  116.             var uid_list = Object.keys(document.usr);
  117. 			shuffleArray(uid_list);
  118. 			// Get count of awards
  119. 			var count = Number(prompt(count_prompt, "1"));
  120. 			while (!Number.isInteger(count) || count <= 0) { // Is invalid count
  121. 				count = Number(prompt(count_prompt, "1"));
  122. 			}
  123. 			// Generate Results
  124. 			var got = 0;
  125. 			for (var i=0; i<uid_list.length && got < count; ++i) {
  126. 				if (document.usr[uid_list[i]].time < cutoff_date) {
  127. 					var usr = document.usr[uid_list[i]];
  128. 					window.alert(`中奖人${got+1}/${count}：` +
  129. 							`\n    微博ID：${uid_list[i]}` +
  130. 							`\n    微博名称：${usr.name}` +
  131. 							`\n    发博时间：${usr.time}` +
  132. 							`\n    ${Date()}`);
  133. 					got++;
  134. 				}
  135. 			}
  136.         }
  137.  
  138.         // Add key listener
  139.         function keydownHandler(e) {
  140.             // [S]huffle users
  141.             if (e.keyCode == 83 && document.ready_shuffle) {
  142.                 check_award();
  143.             }
  144.             // [L]oad user list
  145.             if (e.keyCode == 76) {
  146.                 load_users();
  147.             }
  148.             // [P]rint users into console
  149.             if (e.keyCode == 80 && document.ready_shuffle) {
  150.                 window.alert("中奖人名单已打印至控制台，请按F12点击控制台查看");
  151.                 console.log(document.usr);
  152.             }
  153.         }
  154.         // register your handler method for the keydown event
  155.         if (document.addEventListener) {
  156.             document.addEventListener('keydown', keydownHandler, false);
  157.         } else if (document.attachEvent) {
  158.             document.attachEvent('onkeydown', keydownHandler);
  159.         }
  160.         // Load GUI handler
  161.         button_element.addEventListener('click', (event) => {
  162.             if (document.ready_shuffle) {
  163.                 check_award();
  164.             } else {
  165.                 load_users();
  166.             }
  167.         });
  168.     }, 1000);
  169. })();