锚点相信大家都使用过吧!点击后僵硬的切换是不是很不爽呢?
下面分享一个小技巧,根据锚点offset值来实现动画切换
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<!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=gb2312" /> <title>无标题文档</title> <style> *{ margin:0; padding:0;} .main{ width:1000px; margin:0 auto; position:relative; } .main img{ float:left;} .bg{ position:absolute; width:100%; z-index:-5;} .bg01{ height:885px;background:url(../images/b_01.jpg) no-repeat center;} .bg02{ height:938px;background:url(../images/b_04.jpg) no-repeat center; } .bg03{ height:946px;background:url(../images/b_02.jpg) no-repeat center; } .bg04{ height:946px;background:url(../images/b_03.jpg) no-repeat center; } .div_scoll{ position:fixed; width:50px; height:200px; right:100px; top:50%;} a{ display:block; background: #3F6; color:#000; width:50px; height:50px; } </style> </head> <body> <div class= "wrapper" > <div class= "main" > <div id= "tab_01" class= "tab" ><img src= "images/m_01.jpg" alt= "" /></div> <div id= "tab_02" class= "tab" ><img src= "images/m_04.jpg" alt= "" /></div> <div id= "tab_03" class= "tab" ><img src= "images/m_02.jpg" alt= "" /></div> <div id= "tab_04" class= "tab" ><img src= "images/m_03.jpg" alt= "" /></div> </div> <div class= "bg" > <div class= "bg01" id= "bg01" ></div> <div class= "bg02" id= "bg02" ></div> <div class= "bg03" id= "bg03" ></div> <div class= "bg04" id= "bg04" ></div> </div> </div> <div class= "div_scoll" > <a href= "#bg01" >图1</a> <a href= "#bg02" >图2</a> <a href= "#bg03" >图3</a> <a href= "#bg04" >图4</a> </div> <script> $( function (){ $( ".div_scoll a" ).click( function (){ $( "html,body" ).animate({ scrollTop:$($( this ).attr( "href" )).offset().top + "px" },1000); }); }); </script> </body> </html> |