最終效果如下圖所示，pc和移動端都可以展示的，調用方法也很簡單，開始調用：loading.baosight.showPageLoadingMsg(false),alse代表不現實加載說明,true展示加載說明.調用完成后調用:loading.baosight.hidePageLoadingMsg(),在整個代碼里有兩個文件，一個是js文件，一個是css文件。切記不要忘記引入jquery.js

css文件

#_loadMsg{ display: inline-block; width: 100%; text-align: center; line-height: 45; padding-left: 20px; display : none;}#_loading_div { vertical-align: middle; display: inline-block; width: 100%; height: 100%; margin: 0 auto; text-align: center; position: absolute; z-index: 3; line-height: 40; opacity: 0.5; display : none; background: #CCCCCC;}#_loading_div span { display: inline-block; width: 10px; height: 40px; animation-name: scale; -webkit-animation-name: scale; -moz-animation-name: scale; -ms-animation-name: scale; -o-animation-name: scale; animation-duration: 1.2s; -webkit-animation-duration: 1.2s; -moz-animation-duration: 1.2s; -ms-animation-duration: 1.2s; -o-animation-duration: 1.2s; animation-iteration-count: infinite; -webkit-animation-iteration-count: infinite; -moz-animation-iteration-count: infinite; -ms-animation-iteration-count: infinite; -o-animation-iteration-count: infinite;}span.item-1 { background: #2ecc71;}span.item-2 { background: #3498db;}span.item-3 { background: #9b59b6;}span.item-4 { background: #e67e22;}span.item-5 { background: #c0392b;}span.item-6 { background: #e74c3c;}span.item-7 { background: #e74c8c;}.item-1 { animation-delay: -1s; -webkit-animation-delay: -1s; -moz-animation-delay: -1s; -ms-animation-delay: -1s; -o-animation-delay: -1s;}.item-2 { animation-delay: -0.9s; -webkit-animation-delay: -0.9s; -moz-animation-delay: -0.9s; -ms-animation-delay: -0.9s; -o-animation-delay: -0.9s;}.item-3 { animation-delay: -0.8s; -webkit-animation-delay: -0.8s; -moz-animation-delay: -0.8s; -ms-animation-delay: -0.8s; -o-animation-delay: -0.8s;}.item-4 { animation-delay: -0.7s; -webkit-animation-delay: -0.7s; -moz-animation-delay: -0.7s; -ms-animation-delay: -0.7s; -o-animation-delay: -0.7s;}.item-5 { animation-delay: -0.6s; -webkit-animation-delay: -0.6s; -moz-animation-delay: -0.6s; -ms-animation-delay: -0.6s; -o-animation-delay: -0.6s;}.item-6 { animation-delay: -0.5s; -webkit-animation-delay: -0.5s; -moz-animation-delay: -0.5s; -ms-animation-delay: -0.5s; -o-animation-delay: -0.5s;}.item-7 { animation-delay: -0.4s; -webkit-animation-delay: -0.4s; -moz-animation-delay: -0.4s; -ms-animation-delay: -0.4s; -o-animation-delay: -0.4s;}@-webkit-keyframes scale { 0%, 40%, 100% { -moz-transform: scaleY(0.2); -ms-transform: scaleY(0.2); -o-transform: scaleY(0.2); -webkit-transform: scaleY(0.2); transform: scaleY(0.2); } 20%, 60% { -moz-transform: scaleY(1); -ms-transform: scaleY(1); -o-transform: scaleY(1); -webkit-transform: scaleY(1); transform: scaleY(1); }}@-moz-keyframes scale { 0%, 40%, 100% { -moz-transform: scaleY(0.2); -ms-transform: scaleY(0.2); -o-transform: scaleY(0.2); -webkit-transform: scaleY(0.2); transform: scaleY(0.2); } 20%, 60% { -moz-transform: scaleY(1); -ms-transform: scaleY(1); -o-transform: scaleY(1); -webkit-transform: scaleY(1); transform: scaleY(1); }}@-ms-keyframes scale { 0%, 40%, 100% { -moz-transform: scaleY(0.2); -ms-transform: scaleY(0.2); -o-transform: scaleY(0.2); -webkit-transform: scaleY(0.2); transform: scaleY(0.2); } 20%, 60% { -moz-transform: scaleY(1); -ms-transform: scaleY(1); -o-transform: scaleY(1); -webkit-transform: scaleY(1); transform: scaleY(1); }}@keyframes scale { 0%, 40%, 100% { -moz-transform: scaleY(0.2); -ms-transform: scaleY(0.2); -o-transform: scaleY(0.2); -webkit-transform: scaleY(0.2); transform: scaleY(0.2); } 20%, 60% { -moz-transform: scaleY(1); -ms-transform: scaleY(1); -o-transform: scaleY(1); -webkit-transform: scaleY(1); transform: scaleY(1); }}