This article will share with you the QQ space photo album display effect based on JavaScript, involving html\css layout thinking, floating positioning details, please refer to this article for the specific implementation code
Knowledge points: html/css layout thinking, detailed explanation of floating/positioning, large enterprise standards, code performance optimization, js mouse events, DOM operations, etc.
Source code:
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="Keywords" content="關(guān)鍵詞一，關(guān)鍵詞二">
<meta name="Description" content="網(wǎng)站描述內(nèi)容">
<title>Document</title>
<style type="text/css">
{margin:0px;padding:0px;}/css style expression: attribute: value; height: 1.7m; px pixels*/
Main{width:1000px;/寬/ height:640px;/高/ /background:#cc99cc;背景顏色/
margin:30px auto 0px;}
Main ul li{width:288px;height:180px; border:4px solid #fff;/粗細 風格 顏色邊框/ list-style-type:none;/去掉前面的圓點/ float:left;/左浮動/ margin:10px 17px;
box-shadow:5px 5px 10px #000; }
.gray{width:100%; height:100%;background:rgba(0,0,0,0.6); position:fixed;/固定定位/ left:0px; top:0px; display:none;/隱藏/}
.showImg{width:650px; height:406px; background:red; position:absolute;/絕對定位/
top:100px; left:400px; border:10px solid #fff; display:none;/隱藏/}
.showImg img.but_l{position:absolute; top:170px; left:-70px;}
.showImg img.but_r{position:absolute; top:170px; right:-70px;}
</style>
</head>
<body>
<p id="Main">
<ul>
<li><img src="images/s1.jpg" bigsrc="images/big1.jpg"/></li>
<li><img src="images/s2.jpg" bigsrc="images/big2.jpg"/></li>
<li><img src="images/s3.jpg" bigsrc="images/big3.jpg"/></li>
<li><img src="images/s4.jpg" bigsrc="images/big4.jpg"/></li>
<li><img src="images/s5.jpg" bigsrc="images/big5.jpg"/></li>
<li><img src="images/s6.jpg" bigsrc="images/big6.jpg"/></li>
<li><img src="images/s7.jpg" bigsrc="images/big7.jpg"/></li>
<li><img src="images/s8.jpg" bigsrc="images/big8.jpg"/></li>
<li><img src="images/s9.jpg" bigsrc="images/big9.jpg"/></li>
</ul>
</p>
<p class="gray"></p>
<p class="showImg">
<img src="images/big1.jpg" class="show_bimg"/>
<img src="images/dirl.png" class="but_l"/>
<img src="images/dirr.png" class="but_r"/>
</p>
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript">
var _index=0;
var bImg=null;
$("#Main ul li").click(function(){
_index=$(this).index();//獲取序列號
//alert(_index);
$(".gray").show();//顯示
$(".showImg").show();//顯示
bImg=$(this).find("img").attr("bigsrc");
//alert(bImg);
$(".showImg img.show_bimg").attr("src",bImg);
});
$(".gray").click(function(){
$(".gray").hide();//隱藏
$(".showImg").hide();
});
//點擊右邊切換按扭
$(".showImg img.but_r").click(function(){
_index++;// _index+1;
if(_index>8){_index=8; alert("右邊到頭了");}
bImg=$("#Main ul li").eq(_index).find("img").attr("bigsrc");
$(".showImg img.show_bimg").attr("src",bImg);
});
//點擊左邊切換按扭
$(".showImg img.but_l").click(function(){
_index--; //_index-1;
if(_index<0){_index=0;alert("左邊到頭了");}
bImg=$("#Main ul li").eq(_index).find("img").attr("bigsrc");
$(".showImg img.show_bimg").attr("src",bImg);
});
</script>
</body>
</html>The above is what I compiled for everyone, I hope It will be helpful to everyone in the future.
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