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這篇文章主要介紹jQuery如何實(shí)現(xiàn)浮動(dòng)層div瀏覽器居中顯示效果,文中介紹的非常詳細(xì),具有一定的參考價(jià)值,感興趣的小伙伴們一定要看完!
具體如下:
1.在頁(yè)面的head中引入jQuery
<script type="text/javascript" language="javascript" src="jquery-1.7.2.min.js"></script>
2.在頁(yè)面的head中加入浮動(dòng)層和遮罩層的樣式
<style> #previewDiv{z-index: 9999;position:absolute;display:none;background:#fff;border-top:5px solid #999;border-bottom:7px solid #999;border-left:5px solid #999;border-right:7px solid #999;} .mask {color:#C7EDCC;background-color:#999;position:absolute;top:0px;left:0px;width:100%;height:3000px;opacity: 0.6;filter: "alpha(opacity=60)";filter: alpha(Opacity=60);} </style>
3.在頁(yè)面的底部加上浮動(dòng)的div
<div id="previewDiv"> <table id ="head"> <tr><td>短消息預(yù)覽</td></tr> </table> <table align="center"> <tr><td> <div class="zhnx_neirong"> <h4>您收到了來(lái)自?xún)|速云的回復(fù)</h4> <p class="duanluo"> 內(nèi)容:這是浮動(dòng)層居中的實(shí)例</span></p> </div> <div class="zhnx_huifu"><p><a href="javascript:open('https://www.jb51.net/');">查看億速云</a></p></div> </td></tr> </table> <table align="center"> <tr><td><div><input type="button" value=" 關(guān) 閉 " onclick="hide();"/></div></td></tr> </table> </div>
4.添加顯示和隱藏的js函數(shù)
function show(){ //添加并顯示遮罩層 $("<div id='mask'></div>").addClass("mask").click(function() {}) .appendTo("body").fadeIn(0); document.getElementById("mask").style.display = "block"; var windowWidth = document.documentElement.clientWidth; var windowHeight = document.documentElement.clientHeight; var popupHeight = $("#previewDiv").height(); var popupWidth = $("#previewDiv").width(); $("#previewDiv").css({ "position": "absolute", "top": (windowHeight-popupHeight)/2+$(document).scrollTop(), "left": (windowWidth-popupWidth)/2 }); $("#previewDiv").show(); } function hide(){ $("#mask").remove(); $("#previewDiv").hide(); }
完整實(shí)例代碼如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Test</title> <script type="text/javascript" language="javascript" src="jquery-1.7.2.min.js"></script> </head> <body> <style> #previewDiv{z-index: 9999;position:absolute;display:none;background:#fff;border-top:5px solid #999;border-bottom:7px solid #999;border-left:5px solid #999;border-right:7px solid #999;} .mask {color:#C7EDCC;background-color:#999;position:absolute;top:0px;left:0px;width:100%;height:3000px;opacity: 0.6;filter: "alpha(opacity=60)";filter: alpha(Opacity=60);} </style> <div id="previewDiv"> <table id ="head"> <tr><td>短消息預(yù)覽</td></tr> </table> <table align="center"> <tr><td> <div class="zhnx_neirong"> <h4>您收到了來(lái)自?xún)|速云的回復(fù)</h4> <p class="duanluo"> 內(nèi)容:這是浮動(dòng)層居中的實(shí)例</span></p> </div> <div class="zhnx_huifu"><p><a href="javascript:open('https://www.jb51.net/');">查看億速云</a></p></div> </td></tr> </table> <table align="center"> <tr><td><div><input type="button" value=" 關(guān) 閉 " onclick="hide();"/></div></td></tr> </table> </div> <script type="text/javascript" language="javascript" > function show(){ //添加并顯示遮罩層 $("<div id='mask'></div>").addClass("mask").click(function() {}) .appendTo("body").fadeIn(0); document.getElementById("mask").style.display = "block"; var windowWidth = document.documentElement.clientWidth; var windowHeight = document.documentElement.clientHeight; var popupHeight = $("#previewDiv").height(); var popupWidth = $("#previewDiv").width(); $("#previewDiv").css({ "position": "absolute", "top": (windowHeight-popupHeight)/2+$(document).scrollTop(), "left": (windowWidth-popupWidth)/2 }); $("#previewDiv").show(); } function hide(){ $("#mask").remove(); $("#previewDiv").hide(); } show(); </script> </body> </html>
運(yùn)行效果圖如下:
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