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发表于 2020-11-13 11:43
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第一帖的完整代码如下:
- <style type="text/css">
- .dyn_pic0 {
- width:0px;
- height:100%;
- position:absolute;
- left:50%;top:0px;
- }
- .turn_pic0 {
- animation:turn_pic_v 4s 1 linear forwards;
- }
- @keyframes turn_pic_v {
- from {
- width:0px;left:50%;opacity:0.6;
- }
- to {
- width:100%;left:0px;opacity:1;
- }
- }
- </style>
- <div style="width:450px;height:300px;position:relative;background:skyblue;border:thick ridge brown;">
- <img class="dyn_pic0" src="http://www.keai99.com/data/attachment/forum/202011/11/170228ju2xiiz0m1yi6ue2.jpg">
- <img class="dyn_pic0" src="http://www.keai99.com/data/attachment/forum/202011/11/170221lgt5ry5uvb5l5r4k.jpg">
- <img class="dyn_pic0" src="http://www.keai99.com/data/attachment/forum/202011/11/170222w0wd2djwz7o7q8kg.jpg">
- <img class="dyn_pic0" src="http://www.keai99.com/data/attachment/forum/202011/11/170223vwm40piizwktpymc.jpg">
- <img class="dyn_pic0" src="http://www.keai99.com/data/attachment/forum/202011/11/170219seea1vlxxeielxze.jpg">
- <img class="dyn_pic0" src="http://www.keai99.com/data/attachment/forum/202011/11/170220x72a760mw2asn3af.jpg">
- <img class="dyn_pic0" src="http://www.keai99.com/data/attachment/forum/202011/11/170224zy2t30tl3gsocp2t.jpg">
- <img class="dyn_pic0" src="http://www.keai99.com/data/attachment/forum/202011/11/170228ju2xiiz0m1yi6ue2.jpg">
- <img class="dyn_pic0" src="http://www.keai99.com/data/attachment/forum/202011/11/170231l7nqq0eponye8o7b.jpg">
- <img class="dyn_pic0" src="http://www.keai99.com/data/attachment/forum/202011/11/170225kyribn1gc14fqclo.jpg">
- <img class="dyn_pic0" src="http://www.keai99.com/data/attachment/forum/202011/11/170229vzuobyzxqsst0xbw.jpg">
- <img class="dyn_pic0" src="http://www.keai99.com/data/attachment/forum/202011/11/170232q6yt2dkt1dwdt6x4.jpg">
- <img class="dyn_pic0" src="http://www.keai99.com/data/attachment/forum/202011/11/170226k673lnaa88a88nn5.jpg">
- </div>
- <script type="text/javascript">
- function hasClass( elements,cName ){
- return !!elements.className.match( new RegExp( "(\\s|^)" + cName + "(\\s|$)") );
- };
- function addClass( elements,cName ){
- if( !hasClass( elements,cName ) ){
- elements.className += " " + cName;
- };
- };
- function removeClass( elements,cName ){
- if( hasClass( elements,cName ) ){
- elements.className = elements.className.replace( new RegExp( "(\\s|^)" + cName + "(\\s|$)" ), " " );
- };
- };
- var curIdx = 0;
- var dyn_pics0 = document.getElementsByClassName('dyn_pic0');
- var lastIdx = dyn_pics0.length - 1;
- function turn_cur_pic0() {
- removeClass(dyn_pics0[lastIdx], 'turn_pic0');
- dyn_pics0[lastIdx].parentElement.style.backgroundImage = "url(" + dyn_pics0[lastIdx].src + ")";
- dyn_pics0[lastIdx].parentElement.style.backgroundSize = "cover";
- addClass(dyn_pics0[curIdx], 'turn_pic0' );
- lastIdx = curIdx;
- curIdx++;
- curIdx %= dyn_pics0.length;
- setTimeout(turn_cur_pic0, 6000);
- }
-
- turn_cur_pic0();
-
- </script>
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