slider2.html 8.7 KB

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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  2. <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
  3. <head>
  4. <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
  5. <title>Document</title>
  6. <meta name="applicable-device" content="pc,mobile" />
  7. <meta name="viewport" content="width=device-width, initial-scale=1" />
  8. <link rel='stylesheet prefetch' href='https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.6.0/slick.css' />
  9. <link rel='stylesheet prefetch' href='https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.6.0/slick-theme.min.css' />
  10. <style type="text/css">
  11. /* 显示元素设定 */
  12. .slider {
  13. position: absolute;
  14. left: 2%;
  15. width: 96%;
  16. height: 170px;
  17. }
  18. .slider img {
  19. border: 5px solid #fff;
  20. display: block;
  21. height: 170px;
  22. }
  23. .slider button {
  24. visibility: hidden;
  25. }
  26. .msgbox {
  27. display: none;
  28. position: fixed;
  29. top: 50%;
  30. left: 50%;
  31. min-width: 300px;
  32. max-width: 600px;
  33. transform: translate(-50%,-50%);
  34. z-index: 99999;
  35. text-align: center;
  36. padding: 15px;
  37. border-radius: 3px;
  38. }
  39. .info {
  40. color: #ffc152;
  41. background-color: #ff;
  42. border-color: #d6e9c6;
  43. }
  44. .error {
  45. color: #a94442;
  46. background-color: #f2dede;
  47. border-color: #ebccd1;
  48. }
  49. </style>
  50. <script type="text/javascript" src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
  51. <script type="text/javascript" src="https://cdn.bootcdn.net/ajax/libs/slick-carousel/1.6.0/slick.min.js"></script>
  52. <script type="text/javascript" src="https://cdn.bootcdn.net/ajax/libs/jquery-cookie/1.4.1/jquery.cookie.min.js"></script>
  53. <script type="text/javascript">
  54. const DOUBAN_TAGS = ["电影", "电视剧", "动漫"];
  55. const DOUBAN_URL = 'https://movie.douban.com/j/new_search_subjects?range=0,10&start=0&tags={0}&countries=&sort=U&year_range=2021,2021';
  56. const DOUBAN_DETAIL_URL = 'web://https://movie.douban.com/subject/';
  57. const HAIKUO_SEARCH_URL = 'hiker://search?s=';
  58. const MAX_SLIDER_SIZE = 20; // 最大图片显示张数
  59. const PLAY_SPEED = 3000; // 播放速度
  60. const PRESS_EVENT_TIMER = 1000; // 长按事件毫秒数
  61. const CACHE_TIMEOUT = 60 * 60 * 1000; // 缓存超时时间
  62. const SHAKE_THRESHOLD = 1800; // 摇一摇 摇动幅度
  63. const SHAKE_TIMES = 4; // 摇一摇 摇动次数
  64. const SHAKE_TIMER = 100; // 摇一摇 摇动检测间隔
  65. const SHAKE_CLEAR_TIMER = 500; // 摇一摇 摇动数据清空间隔
  66. const SHAKE_SLIDER_CHANGE_TXT = '滚屏切换中'; // 摇一摇切换文字
  67. let timeOutEvent = 0;
  68. let lastUpdate = 0;
  69. let x = y = z = lastX = lastY = lastZ = 0;
  70. let currentTagIdx = 0;
  71. let shakeTimes = 0;
  72. let showInfoMsg = (msg, timeout) => {
  73. $('.msgbox').html(msg).addClass('info').show().delay(timeout).fadeOut();
  74. };
  75. let showErrorMsg = (msg, timeout) => {
  76. $('.msgbox').html(msg).addClass('error').show().delay(timeout).fadeOut();
  77. };
  78. // 点击
  79. let imgClick = (title) => {
  80. location.href = HAIKUO_SEARCH_URL + title;
  81. };
  82. // 长按
  83. let imgTouch = (id) => {
  84. location.href = DOUBAN_DETAIL_URL + id;
  85. };
  86. let getCache = () => {
  87. let cache = localStorage.getItem("DOUBAN_CACHE")
  88. if (cache) {
  89. let cacheArray = JSON.parse(cache);
  90. return Array.isArray(cacheArray) ? cacheArray : null;
  91. } else {
  92. return null;
  93. }
  94. };
  95. let readFromDouban = (url, callback) => {
  96. $.get(url)
  97. .done((data) => {
  98. if (!data.data) callback();
  99. let cache = getCache();
  100. if (!cache) cache = [];
  101. cache[currentTagIdx] = { time: new Date().getTime(), data: data };
  102. localStorage.setItem('DOUBAN_CACHE', JSON.stringify(cache));
  103. callback();
  104. })
  105. .fail(() => {
  106. callback();
  107. });
  108. };
  109. let getDoubanData = (processDataCallback) => {
  110. let cache = getCache();
  111. let now = new Date().getTime();
  112. let doCallback = () => {
  113. cache = getCache();
  114. processDataCallback((cache && cache[currentTagIdx]) ? cache[currentTagIdx].data : null);
  115. };
  116. if (!cache || !cache[currentTagIdx] || now > cache[currentTagIdx].time + CACHE_TIMEOUT) {
  117. let url = DOUBAN_URL.replace("{0}", DOUBAN_TAGS[currentTagIdx]);
  118. readFromDouban(url, () => {
  119. doCallback();
  120. });
  121. } else {
  122. doCallback();
  123. }
  124. };
  125. let processData = (data) => {
  126. if (!data && !data.data) {
  127. showErrorMsg('出錯啦!', 5000);
  128. return;
  129. }
  130. for (let i = 0; i < MAX_SLIDER_SIZE && data.data.length > i; i++) {
  131. let image = $('<img>').attr('src', data.data[i].cover);
  132. image.on('touchstart', () => {
  133. timeOutEvent = setTimeout(() => {
  134. timeOutEvent = 0;
  135. // 长按事件
  136. imgTouch(data.data[i].id);
  137. }, PRESS_EVENT_TIMER);
  138. });
  139. image.on('touchmove', () => {
  140. clearTimeout(timeOutEvent);
  141. timeOutEvent = 0;
  142. });
  143. image.on('touchend', () => {
  144. clearTimeout(timeOutEvent);
  145. if (timeOutEvent != 0) {
  146. // 点击事件
  147. imgClick(data.data[i].title);
  148. }
  149. });
  150. $('.slider').append(image);
  151. }
  152. $('.slider').slick({
  153. lazyLoad: 'ondemand',
  154. autoplaySpeed: PLAY_SPEED,
  155. slidesToShow: 3,
  156. autoplay: true,
  157. slidesToScroll: 1,
  158. pauseOnFocus: false,
  159. pauseOnHover: false,
  160. pauseOnDotsHover: false
  161. });
  162. };
  163. // 摇一摇
  164. deviceShaking = () => {
  165. currentTagIdx++;
  166. if (currentTagIdx >= DOUBAN_TAGS.length) currentTagIdx = 0;
  167. showInfoMsg("当前分类: " + DOUBAN_TAGS[currentTagIdx], 1000);
  168. $('.slider').html('').removeClass().addClass('slider');
  169. getDoubanData((data) => {
  170. processData(data);
  171. });
  172. };
  173. let deviceMotionHandler = (e) => {
  174. let acceleration = e.accelerationIncludingGravity;
  175. let curTime = new Date().getTime();
  176. if ((curTime - lastUpdate) > SHAKE_TIMER) {
  177. let diffTime = curTime - lastUpdate;
  178. lastUpdate = curTime;
  179. x = acceleration.x;
  180. y = acceleration.y;
  181. z = acceleration.z;
  182. let speed = Math.abs(x + y + z - lastX - lastY - lastZ) / diffTime * 10000;
  183. if (speed > SHAKE_THRESHOLD) {
  184. shakeTimes++;
  185. if (shakeTimes >= SHAKE_TIMES) {
  186. shakeTimes = 0;
  187. // 摇一摇事件
  188. deviceShaking();
  189. }
  190. } else if (curTime - lastUpdate > SHAKE_CLEAR_TIMER) {
  191. shakeTimes = 0;
  192. }
  193. lastX = x;
  194. lastY = y;
  195. lastZ = z;
  196. }
  197. };
  198. $(document).ready(() => {
  199. getDoubanData((data) => {
  200. processData(data);
  201. // 添加传感器监听
  202. if (window.DeviceMotionEvent) {
  203. window.addEventListener('devicemotion', deviceMotionHandler, false);
  204. } else {
  205. showErrorMsg('您的设备不支持摇一摇', 3000);
  206. }
  207. });
  208. });
  209. </script>
  210. </head>
  211. <body>
  212. <div class="msgbox"></div>
  213. <div class="slider"></div>
  214. </body>
  215. </html>