Trong bài viết này.
Nguyễn Diện Blog sẽ hướng dẫn các bạn tạo một widget slider từ
Owl Carousel .Tiện ích này sẽ
không phù hợp với những người quan tâm đến tốc độ vì nó chứa khác nhiều Css và Javascript
Tiện ích này chỉ hoạt động với thư viện Jquery phiên bản 2 trở nên vậy nên nếu xài những bản cũ thì bạn nên thay nó bằng những bản mới hơn.Ở đây chúng tôi có một bản cho bạn tham khảo
https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js
Tiết theo,Blog của bạn phải được trang bị Fontawesome bằng cách thêm đoạn code bên dưới vào thẻ </head>(Nếu có rồi thì thôi)
<script type='text/javascript'> //<![CDATA[ function loadCSS(e, t, n) { "use strict"; var i = window.document.createElement("link"); var o = t || window.document.getElementsByTagName("script")[0]; i.rel = "stylesheet"; i.href = e; i.media = "only x"; o.parentNode.insertBefore(i, o); setTimeout(function () { i.media = n || "all" }) } loadCSS("https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css"); //]]> </script>
Tiếp theo,Ta thêm đoạn code bên dưới vào thẻ </head>
<style id='owl-carousel' type='text/css'>
*,*:before,*:after{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}
.ct-wrapper{padding:0;position:relative;max-width:970px;width:auto;margin:20px auto}
#featured-slider h2.title,#featured_slider .widget h2.title{display:none}
#featured_slider{margin:0 0 30px}
.slider-wrappper{max-width:970px;margin:0 auto;padding:0}
.owl_carouselle.owl-carousel.owl-loaded{margin:0 0 3em}
.slider-item{position:relative;height:100%}
.slider-item:before{display:block;position:absolute;top:0;left:0;right:0;bottom:0;background:#2d3436;opacity:.4;z-index:1}
a.slider-image{height:100%}
.thumb.overlay{height:200px}
.post-descript{background:#fff;position:absolute;bottom:-30px;left:8%;right:8%;z-index:99;padding:25px;box-shadow:0 3px 10px rgba(0,0,0,0.1);border-radius:6px;text-align:center;transition:all .3s}
.slider-item:hover .post-descript{box-shadow:0 2px 10px rgba(0,0,0,0.1)}
.slider-wrapp .post-inner{padding:0 40px;margin:auto}
.slider-item h2.post-title{font-size:24px;margin:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.slider-item h2.post-title a{color:#000;transition:all .3s}
.slider-item h2.post-title a:hover{color:#aaa}
.slider-item .post-date{display:inline-block;color:#aaa;font-size:10px;margin:10px auto 0 auto;text-transform:uppercase}
.slider-item .post-tag a{display:inline-block;background:#f39c12;color:#fff;padding:3px 10px;font-size:10px;text-transform:uppercase;letter-spacing:.5px;margin:0 auto 10px auto;border-radius:3px;transition:all .3s}
.slider-item .post-tag a:hover{background:#000;color:#fff}
.feat-home .post-tag a,.feat-home a,.feat-home div,.feat-home h2 a{color:#fff}
.featured-posts{display:inline-block;width:100%}
.feature-item{position:relative;display:inline-block;float:left;width:24.2%;margin:0 10px 0 0}
.feature-item:last-child{margin:0}
.feature-item .thumb.overlay{height:150px;width:100%;position:static}
.feature-item .thumb.overlay a.slider-image{}
.feature-item .post-descript{background:#fff;position:static;height:100px;margin:auto;border-radius:0;box-shadow:0 2px 10px rgba(0,0,0,0.1);padding:10px;overflow:hidden;transition:all .3s}
.feature-item .post-descript:before{content:'';position:absolute;bottom:0;left:0;right:0;height:30px;background-image:linear-gradient(to top,#fff,rgba(255,255,255,0));background:linear-gradient(to left,#ffffff 0,#ffffff 100%,rgba(255,255,255,0) 100%);overflow:hidden}
.feature-item:hover .post-descript{box-shadow:0 1px 5px rgba(0,0,0,0.1)}
.feature-item h2.post-title{font-size:14px;margin:auto;line-height:normal;font-weight:400}
.feature-item h2.post-title a{color:#000}
.feature-item:hover h2.post-title a{color:#aaa}
.feature-item .post-meta{margin:0}
.feature-item .post-tag a{display:inline-block;background:#f39c12;color:#fff;padding:2px 8px;font-size:9px;text-transform:uppercase;letter-spacing:.5px;margin:0 auto 10px auto;border-radius:3px;transition:all .3s}
.feature-item .post-tag a:hover{background:#000;color:#fff}
.feat-home{height:320px;margin:0 0 50px;position:relative}
.feat-home:before,.slider-item:before{content:"";right:0}
.feat-home:before{display:block;position:absolute;top:0;width:100%;height:100%;background:#000;opacity:.35;z-index:1}
.owl-carousel,.owl-carousel .owl-item{-webkit-tap-highlight-color:transparent;position:relative}
.owl-carousel{display:none;width:100%;z-index:1}
.owl-carousel .owl-stage{position:relative;-ms-touch-action:pan-Y;-moz-backface-visibility:hidden}
.owl-carousel .owl-stage:after{content:".";display:block;clear:both;visibility:hidden;line-height:0;height:0}
.owl-carousel .owl-stage-outer{position:relative;-webkit-transform:translate3d(0,0,0)}
.owl-carousel .owl-item,.owl-carousel .owl-wrapper{-webkit-backface-visibility:hidden;-moz-backface-visibility:hidden;-ms-backface-visibility:hidden;-webkit-transform:translate3d(0,0,0);-moz-transform:translate3d(0,0,0);-ms-transform:translate3d(0,0,0)}
.owl-carousel .owl-item{min-height:1px;float:left;-webkit-backface-visibility:hidden;-webkit-touch-callout:none}
.owl-carousel .owl-item img{display:block;width:100%}
.owl-carousel .owl-dots.disabled,.owl-carousel .owl-nav.disabled{display:none}
.no-js .owl-carousel,.owl-carousel.owl-loaded{display:block}
.owl-carousel .owl-dot,.owl-carousel .owl-nav .owl-next,.owl-carousel .owl-nav .owl-prev{cursor:pointer;cursor:hand;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}
.owl-carousel.owl-loading{opacity:0;display:block}
.owl-carousel.owl-hidden{opacity:0}
.owl-carousel.owl-refresh .owl-item{visibility:hidden}
.owl-carousel.owl-drag .owl-item{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}
.owl-carousel.owl-grab{cursor:move;cursor:grab}
.owl-carousel.owl-rtl{direction:rtl}
.owl-carousel.owl-rtl .owl-item{float:right}
.owl-carousel .animated{animation-duration:1s;animation-fill-mode:both}
.owl-carousel .owl-animated-in{z-index:0}
.owl-carousel .owl-animated-out{z-index:1}
.owl-carousel .fadeOut{animation-name:fadeOut}
.owl-height{transition:height .5s ease-in-out}
.owl-carousel .owl-item .owl-lazy{opacity:0;transition:opacity .4s ease}
.owl-carousel .owl-item img.owl-lazy{transform-style:preserve-3d}
.owl-carousel .owl-video-wrapper{position:relative;height:100%;background:#000}
.owl-carousel .owl-video-play-icon{position:absolute;height:80px;width:80px;left:50%;top:50%;margin-left:-40px;margin-top:-40px;background:url(https://4.bp.blogspot.com/-9jaG9YO21Qs/W9rimdnu-mI/AAAAAAAACyQ/Tcv3-DtVm9kOlk73vTnBG6x_1a60wchuwCLcBGAs/s1600/play-icon.png) no-repeat;cursor:pointer;z-index:1;-webkit-backface-visibility:hidden;transition:transform .1s ease}
.owl-carousel .owl-video-play-icon:hover{-ms-transform:scale(1.3,1.3);transform:scale(1.3,1.3)}
.owl-carousel .owl-video-playing .owl-video-play-icon,.owl-carousel .owl-video-playing .owl-video-tn{display:none}
.owl-carousel .owl-video-tn{opacity:0;height:100%;background-position:center center;background-repeat:no-repeat;background-size:contain;transition:opacity .4s ease}
.owl-carousel .owl-video-frame{position:relative;z-index:1;height:100%;width:100%}
.owl-theme .owl-dots,.owl-theme .owl-nav{text-align:center;-webkit-tap-highlight-color:transparent}
.owl-theme .owl-nav{margin-top:10px}
.owl-theme .owl-nav [class*=owl-]{color:#FFF;font-size:14px;margin:5px;padding:4px 7px;background:#D6D6D6;display:inline-block;cursor:pointer;border-radius:3px}
.owl-theme .owl-nav [class*=owl-]:hover{background:#869791;color:#FFF;text-decoration:none}
.owl-theme .owl-nav .disabled{opacity:.5;cursor:default}
.owl-theme .owl-nav.disabled+.owl-dots{margin-top:10px}
.owl-theme .owl-dots .owl-dot{display:inline-block;zoom:1}
.owl-theme .owl-dots .owl-dot span{width:10px;height:10px;margin:5px 7px;background:#D6D6D6;display:block;-webkit-backface-visibility:visible;transition:opacity .2s ease;border-radius:30px}
.owl-theme .owl-dots .owl-dot.active span,.owl-theme .owl-dots .owl-dot:hover span{background:#869791}
.owl-carousel .owl-item{height:420px;box-shadow:0 20px 10px -15px rgba(0,0,0,0.1)}
.owl-prev{left:20px;transform:translate(-50px,0)}.owl-next{right:20px;transform:translate(50px,0)}
.owl-prev,.owl-next{color:#fff;font-size:36px;height:65px;line-height:65px;padding:0 14px;position:absolute;top:42%;visibility:hidden;opacity:0;transition:all .3s}
.owl-nav button.owl-prev,.owl-nav button.owl-next{background:none;border:0}
.owl-carousel:hover .owl-prev,.owl-carousel:hover .owl-next{opacity:1;visibility:visible;transform:translate(0,0)}
#HTML33 .widget-content{overflow:visible}
@keyframes fadeOut{0%{opacity:1}100%{opacity:0}}
@media screen and (max-width: 768px){
.feature-item{width:50%;margin:0 auto 15px auto}}
@media screen and (max-width: 640px){
.owl-prev,.owl-next{top:18%}
.owl-carousel .owl-item{height:auto}
.post-descript{padding:15px 10px;left:5%;right:5%}
.slider-wrapp .post-inner{padding:0 10px}
.slider-item h2.post-title{font-size:16px}
.feature-item{display:inline-block;float:none;width:100%;margin:0 auto 15px auto}}
@media screen and (min-width:580px){.thumb.overlay{display:block;position:absolute;width:100%}.thumb.overlay{height:100%;top:0;left:0;bottom:0}}
</style>
<script src='https://cdnjs.cloudflare.com/ajax/libs/OwlCarousel2/2.3.4/owl.carousel.min.js' type='text/javascript'/>
<script type='text/javascript'>
//<![CDATA[
function postarea4(e){j=showRandomImg?Math.floor((imgr.length+1)*Math.random()):0,img=new Array,postnum4<=e.feed.entry.length?maxpost=postnum5:maxpost=e.feed.entry.length,document.write('<div class="ct-wrapper"><div class="owl_carouselle owl-carousel">');for(var t=0;t<maxpost;t++){for(var r,i,l=e.feed.entry[t],n=l.title.$t,o="",c=0;c<e.feed.entry[t].category.length;c++)o=o+'<a href="/search/label/'+e.feed.entry[t].category[c].term+'?max-results=6">'+e.feed.entry[t].category[c].term+"</a>",i='<a href="/search/label/'+e.feed.entry[t].category[c].term+'?max-results=6">'+e.feed.entry[t].category[c].term+"</a>";if(t==e.feed.entry.length)break;for(var m=0;m<l.link.length;m++)if("alternate"==l.link[m].rel){r=l.link[m].href;break}for(m=0;m<l.link.length;m++)if("replies"==l.link[m].rel&&"text/html"==l.link[m].type){l.link[m].title.split(" ")[0];break}if("content"in l)var g=l.content.$t;else if("summary"in l)g=l.summary.$t;else g="";postdate=l.published.$t,j>imgr.length-1&&(j=0),img[t]="",s=g,a=s.indexOf("<img"),b=s.indexOf('src="',a),k=s.indexOf('"',b+5),d=s.substr(b+5,k-b-5),-1!=a&&-1!=b&&-1!=k&&""!=d&&(img[t]=0==t?'<img class="owl-lazy" min-width="620" min-height="240" class="odd-img" src="'+d+'"/>':'<img class="alignright" min-height="100" src="'+d+'" width="150"/>');for(var f=[1,2,3,4,5,6,7,8,9,10,11,12],p=["January","February","March","April","May","June","July","August","September","October","November","December"],h=postdate.split("-")[2].substring(0,2),u=postdate.split("-")[1],y=postdate.split("-")[0],v=0;v<f.length;v++)if(parseInt(u)==f[v]){u=p[v];break}var k=e.feed.entry[t].content.$t,A=(v=$("<div>").html(k)).find("img:first").attr("src"),w=e.feed.entry[t].media$thumbnail.url;-1!=w.indexOf("img.youtube.com")&&(w=e.feed.entry[t].media$thumbnail.url.replace("default","maxresdefault")),w=w.replace("/s72-c/","/s1600/");k="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgSaB1xEgnoTfc3MsZtVq0LRU8_50IET-p3uyknNK-JSKnYx9ZyjYCI_EOqfEkbhZf1nJgEjJiMvxDP4_VoiCPVPbROxkxEiYALr5NFHbU0BO5wAb8K0GXCImcbEin-D_GYrYjs2zPriug/s1600/image-not-found-4a963b95bf081c3ea02923dceaeb3f8085e1a654fc54840aac61a57a60903fef.png";if(void 0===A)if(e.feed.entry[t].media$thumbnail)var x='<a href="'+r+'" class="slider-image" style="background:url('+w+') no-repeat center center;background-size: cover;width: 100%;height: 420px;display:block;image-rendering: -webkit-optimize-contrast;"/>';else x='<a href="'+r+'" class="noimg slider-image" style="background:url('+k+') no-repeat center center; display:block;"/>';else x='<a href="'+r+'" class="slider-image" style="background:url('+w+') no-repeat center center;background-size: cover; display:block;"/>';var z='<div class="slider-item"><div class="slider-wrapp"><div class="thumb overlay">'+x+'</div><div class="post-descript"><div class="post-inner"><div class="post-meta"><div class="post-tag">'+i+'</div></div><h2 class="post-title"><a href="'+r+'">'+n+'</a></h2><div class="post-date">'+(h+" "+u+" "+y)+'</div></div></div><div class="clear"></div></div></div>';document.write(z),j++}document.write("</div></div>")}function postarea5(e){j=showRandomImg?Math.floor((imgr.length+1)*Math.random()):0,img=new Array,postnum4<=e.feed.entry.length?maxpost=postnum4:maxpost=e.feed.entry.length,document.write('<div class="ct-wrapper"><div class="row"><div class="featured-posts">');for(var t=0;t<maxpost;t++){for(var r,i,l=e.feed.entry[t],n=l.title.$t,o="",c=0;c<e.feed.entry[t].category.length;c++)o=o+'<a href="/search/label/'+e.feed.entry[t].category[c].term+'?max-results=6">'+e.feed.entry[t].category[c].term+"</a>",i='<a href="/search/label/'+e.feed.entry[t].category[c].term+'?max-results=6">'+e.feed.entry[t].category[c].term+"</a>";if(t==e.feed.entry.length)break;for(var m=0;m<l.link.length;m++)if("alternate"==l.link[m].rel){r=l.link[m].href;break}for(m=0;m<l.link.length;m++)if("replies"==l.link[m].rel&&"text/html"==l.link[m].type){l.link[m].title.split(" ")[0];break}if("content"in l)var g=l.content.$t;else if("summary"in l)g=l.summary.$t;else g="";postdate=l.published.$t,j>imgr.length-1&&(j=0),img[t]="",s=g,a=s.indexOf("<img"),b=s.indexOf('src="',a),y=s.indexOf('"',b+5),d=s.substr(b+5,y-b-5),-1!=a&&-1!=b&&-1!=y&&""!=d&&(img[t]=0==t?'<img min-width="620" min-height="240" class="odd-img" src="'+d+'"/>':'<img class="alignright" min-height="100" src="'+d+'" width="150"/>');for(var f=[1,2,3,4,5,6,7,8,9,10,11,12],p=["January","February","March","April","May","June","July","August","September","October","November","December"],h=(postdate.split("-")[2].substring(0,2),postdate.split("-")[1]),u=(postdate.split("-")[0],0);u<f.length;u++)if(parseInt(h)==f[u]){h=p[u];break}var y=e.feed.entry[t].content.$t,v=(u=$("<div>").html(y)).find("img:first").attr("src"),k=e.feed.entry[t].media$thumbnail.url;-1!=k.indexOf("img.youtube.com")&&(k=e.feed.entry[t].media$thumbnail.url.replace("default","maxresdefault")),k=k.replace("/s72-c/","/s1600/");y="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgSaB1xEgnoTfc3MsZtVq0LRU8_50IET-p3uyknNK-JSKnYx9ZyjYCI_EOqfEkbhZf1nJgEjJiMvxDP4_VoiCPVPbROxkxEiYALr5NFHbU0BO5wAb8K0GXCImcbEin-D_GYrYjs2zPriug/s1600/image-not-found-4a963b95bf081c3ea02923dceaeb3f8085e1a654fc54840aac61a57a60903fef.png";if(void 0===v)if(e.feed.entry[t].media$thumbnail)var A='<a href="'+r+'" class="slider-image" style="background:url('+k+') no-repeat center center;background-size: cover;width: 100%;height: 420px;display:block;image-rendering: -webkit-optimize-contrast;"/>';else A='<a href="'+r+'" class="noimg slider-image" style="background:url('+y+') no-repeat center center; 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display:block;"/>';else x='<a href="'+r+'" class="slider-image" style="background:url('+w+') no-repeat center center;background-size: cover; display:block;"/>';var z='<div class="feat-home"><div class="thumb overlay">'+x+'</div><div class="post-descript"><div class="post-inner"><div class="post-meta"><div class="post-tag">'+i+'</div></div><h2 class="post-title"><a href="'+r+'">'+n+'</a></h2><div class="post-date">'+(h+" "+u+" "+y)+'</div></div></div><div class="clear"></div></div>';document.write(z),j++}document.write("</div></div>")}cat1="Featured",imgr=new Array,imgr[0]="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgPHWLvOShyphenhyphenF3NkUmX06_pLcfZ2sssSgiNNwfh8v-xfRhAqba76i-Icbt4BwfCDtG-pCEZN54jtfnZtrOzSxU73IhRMwgFmbZjPdIyGZcvo0ThmN0t2dGGzCH7beEWfifvpeDK2OAiYlgE/s1600/picture_not_available.png",showRandomImg=true,aBold=true,summaryPost=150,summaryTitle=50,postnum1=1,postnum4=4,postnum5=5;
// Options
$(document).ready(function(){$(".owl_carouselle").owlCarousel({autoplay:true,loop:true,lazyLoad:true,nav:true,dots:false,video:true,navText:["<i class='fa fa-angle-left'></i>","<i class='fa fa-angle-right'></i>"],smartSpeed:1200,responsiveClass:true,responsive:{0:{items:1},600:{items:1},1e3:{items:1}}})});
//]]>
</script>
Sau đó bạn lưu lại
Tiếp theo,thêm đoạn mã bên dưới vào nơi nào mà bạn muốn hiển thị nó
<div class='slider-wrappper'>
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