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高手们，我这代码运行时为什么出错_html/css_WEB-ITnose
- WBOYasal
- 2016-06-24 11:33:52831semak imbas
<!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>CSS等高布局</title><script type="text/javascript" src="http://jt.875.cn/js/jquery.js"></script> <style type="text/css">#wrap{ overflow:hidden; width:1200px; margin:0 auto;}.top{ width:1200px; height:150px; background:#000; margin-bottom: 10px; } .left{ float:left; width:150px; height:600px ; background:#00FFFF; }#center{ float:left; width:880px; height:1800px ; background:#FF0000; margin-right: 10px; margin-left: 10px; }.right{ float:right; width:150px; height:600px ; background:#00FF00; } .bot{ width:1200px; height:150px; margin-top: 10px; background-color: #00F; } </style></head><body><div id="wrap"> <div class="top"> </div> <div class="left" id="left" > </div> <div id="center"> <p>center</p><p>center2</p><p>center3</p><p>center4</p><p>center5</p><p>center6</p><p>center7</p> </div> <div class="right" id="right"> </div> <div class="bot"> </div> </div><script>var min_scroll=30;///触发效果的滚动条top值,$(document).scroll(function(){ if($(this).scrollTop()>=min_scroll&&!$('#left').attr('style')) { var right={'top':$('#right').offset().top,'left':$('#right').offset().left}; var left={'top':$('#left').offset().top,'left':$('#left').offset().left}; var center={'left':$('#center').position().left} $('#center').css({'position':'absolute','left':center.left}); $('#left').css({'z-index':10,'position':'fixed','top':left.top,'left':left.left}); $('#right').css({'z-index':10,'position':'fixed','top':right.top,'left':right.left}); } if($(this).scrollTop()<min_scroll&&$('#left').attr('style')) { $('#left').removeAttr('style'); $('#right').removeAttr('style'); $('#center').removeAttr('style'); } });</script> </body></html> 效果就是这样，但是加入头部，和底部后，就变形了，两边的滚动那个上面永远有顶部高度的距离，想把这个距离去掉，另外底部自动跳到顶部的下面的。
回复讨论(解决方案)
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>CSS等高布局</title><script type="text/javascript" src="http://jt.875.cn/js/jquery.js"></script> <style type="text/css">#wrap{ overflow:hidden; width:1200px; margin:0 auto;}.top{ width:1200px; height:150px; background:#000; margin-bottom: 10px; } .left{ float:left; width:150px; height:600px ; background:#00FFFF; }#center{ float:left; width:880px; height:1800px ; background:#FF0000; margin-right: 10px; margin-left: 10px; }.right{ float:right; width:150px; height:600px ; background:#00FF00; } .bot{ float:left; width:1200px; height:150px; margin-top: 10px; background-color: #00F; } </style></head><body><div id="wrap"> <div class="top"> </div> <div class="left" id="left" > </div> <div id="center"> <p>center</p><p>center2</p><p>center3</p><p>center4</p><p>center5</p><p>center6</p><p>center7</p><p>center8</p><p>center9</p><p>center10</p> </div> <div class="right" id="right"> </div> <div class="bot" id="bot"> </div> </div><script>var min_scroll=30;///触发效果的滚动条top值,$(document).scroll(function(){ if($(this).scrollTop()>=min_scroll&&!$('#left').attr('style')) { var right={'top':0,'left':$('#right').offset().left}; var left={'top':0,'left':$('#left').offset().left}; var center={'left':$('#center').position().left} var bot={'top':0,'left':$('#bot').offset().left} $('#bot').css({'position':'fixed','left':bot.left,'top':bot.top,'margin':0}); $('#center').css({'position':'absolute','left':center.left}); $('#left').css({'z-index':10,'position':'fixed','top':left.top,'left':left.left}); $('#right').css({'z-index':10,'position':'fixed','top':right.top,'left':right.left}); } if($(this).scrollTop()<min_scroll&&$('#left').attr('style')) { $('#left').removeAttr('style'); $('#bot').removeAttr('style'); $('#right').removeAttr('style'); $('#center').removeAttr('style'); } });</script> </body></html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>CSS等高布局</title><script type="text/javascript" src="http://jt.875.cn/js/jquery.js"></script> <style type="text/css">#wrap{ overflow:hidden; width:1200px; margin:0 auto;}.top{ width:1200px; height:150px; background:#000; margin-bottom: 10px; } .left{ float:left; width:150px; height:600px ; background:#00FFFF; }#center{ float:left; width:880px; height:1800px ; background:#FF0000; margin-right: 10px; margin-left: 10px; }.right{ float:right; width:150px; height:600px ; background:#00FF00; } .bot{ float:left; width:1200px; height:150px; margin-top: 10px; background-color: #00F; } </style></head><body><div id="wrap"> <div class="top"> </div> <div class="left" id="left" > </div> <div id="center"> <p>center</p><p>center2</p><p>center3</p><p>center4</p><p>center5</p><p>center6</p><p>center7</p><p>center8</p><p>center9</p><p>center10</p> </div> <div class="right" id="right"> </div> <div class="bot" id="bot"> </div> </div><script>var min_scroll=30;///触发效果的滚动条top值,$(document).scroll(function(){ if($(this).scrollTop()>=min_scroll&&!$('#left').attr('style')) { var right={'top':0,'left':$('#right').offset().left}; var left={'top':0,'left':$('#left').offset().left}; var center={'left':$('#center').position().left} var bot={'top':0,'left':$('#bot').offset().left} $('#bot').css({'position':'fixed','left':bot.left,'top':bot.top,'margin':0}); $('#center').css({'position':'absolute','left':center.left}); $('#left').css({'z-index':10,'position':'fixed','top':left.top,'left':left.left}); $('#right').css({'z-index':10,'position':'fixed','top':right.top,'left':right.left}); } if($(this).scrollTop()<min_scroll&&$('#left').attr('style')) { $('#left').removeAttr('style'); $('#bot').removeAttr('style'); $('#right').removeAttr('style'); $('#center').removeAttr('style'); } });</script> </body></html> 底部的BOT还是会把CENTER档上
你想哪个叠哪个 z-index就是表示他们重叠是时候显示的顺序，越大越在上面
你最好先理解下position的absolute,fixed还有与position搭配的top,bottom,left,right,z-index
你想哪个叠哪个 z-index就是表示他们重叠是时候显示的顺序，越大越在上面
我想想让bot不重叠，显示在最下面 谢谢了
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