一级目录之间怎么有那么大的空隙？_html/css_WEB-ITnose
- WBOY原创
- 2016-06-24 11:51:111819浏览
点击一级目录中的“用户管理”，展开二级目录，发现二级目录最后一项与“系统管理”之间有一大截距离，请问这是怎么回事？如同：
附上HTML代码
<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>leftwindow</title><style type=text/css>#baseInfoManager{ width:180px; height:100px; }#baseInfoManager p{ height:30px; text-indent:20px; }#baseInfoManager p a{ display:block; height:100%; width:100%; text-decoration:none; line-height:30px; font-family:Arial, Helvetica, sans-serif; font-size:12px;}#baseInfoManager p a:hover{ height:100%; width:100%; color:#000; text-decoration:none; background:#dce7f0;}#baseInfoManager ul{ margin-top:1px; width:100%; height:100%;}#baseInfoManager ul li{ width:180px; height:30px; list-style:none; line-height:30px; text-indent:40px; }#baseInfoManager ul li a{ float:left; width:180px; height:30px; text-decoration:none; font-family:Arial, Helvetica, sans-serif; font-size:12px; }#baseInfoManager ul li a:hover{ width:180px; height:30px; color:#000; text-decoration:none; background:#dce7f0;}</style><SCRIPT language="javascript"> window.onload=function() { var obtn=document.getElementById('btn'); var oul=document.getElementById('ul1'); obtn.onclick=function() { if(oul.style.display=='block') { oul.style.display='none'; } else { oul.style.display='block'; } } };</SCRIPT></head><body bgcolor="#f3f8fc"> <div id="baseInfoManager"> <p id="btn"><a href="#" onClick="showSubMenu(1)">用户管理</a></p> <ul id="ul1" style="display:none;"> <li><a href="#" >aaa</a></li> <li><a href="#" >bbb</a></li> </ul> <p id="btn1"><a href="#" onClick="showSubMenu(2)">系统管理</a></p> <ul id="ul2" style="display:none;"> <li>ccc </li> <li>ddd </li> </ul> </div> </body></html>
回复讨论(解决方案)
margin
<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>leftwindow</title><style type=text/css> *{margin: 0px;padding:0px;}#baseInfoManager{ width:180px; height:100px; }#baseInfoManager p{ height:30px; text-indent:20px; clear:both;}#baseInfoManager p a{ display:block; height:100%; width:100%; text-decoration:none; line-height:30px; font-family:Arial, Helvetica, sans-serif; font-size:12px;}#baseInfoManager p a:hover{ height:100%; width:100%; color:#000; text-decoration:none; background:#dce7f0;} #baseInfoManager ul{ margin-top:1px; width:100%;}#baseInfoManager ul li{ width:180px; list-style:none; line-height:30px; text-indent:40px; }#baseInfoManager ul li a{ float:left; width:180px; text-decoration:none; font-family:Arial, Helvetica, sans-serif; font-size:12px; }#baseInfoManager ul li a:hover{ width:180px; color:#000; text-decoration:none; background:#dce7f0;}</style><SCRIPT language="javascript"> window.onload=function() { var obtn=document.getElementById('btn'); var oul=document.getElementById('ul1'); obtn.onclick=function() { if(oul.style.display=='block') { oul.style.display='none'; } else { oul.style.display='block'; } } };</SCRIPT></head> <body bgcolor="#f3f8fc"> <div id="baseInfoManager"> <p id="btn"><a href="#" onClick="showSubMenu(1)">用户管理</a></p> <ul id="ul1" style="display:none;"> <li><a href="#" >aaa</a></li> <li><a href="#" >bbb</a></li> </ul> <p id="btn1"><a href="#" onClick="showSubMenu(2)">系统管理</a></p> <ul id="ul2" style="display:none;"> <li>ccc </li> <li>ddd </li> </ul> </div> </body></html>
margin
<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>leftwindow</title><style type=text/css> *{margin: 0px;padding:0px;}#baseInfoManager{ width:180px; height:100px; }#baseInfoManager p{ height:30px; text-indent:20px; clear:both;}#baseInfoManager p a{ display:block; height:100%; width:100%; text-decoration:none; line-height:30px; font-family:Arial, Helvetica, sans-serif; font-size:12px;}#baseInfoManager p a:hover{ height:100%; width:100%; color:#000; text-decoration:none; background:#dce7f0;} #baseInfoManager ul{ margin-top:1px; width:100%;}#baseInfoManager ul li{ width:180px; list-style:none; line-height:30px; text-indent:40px; }#baseInfoManager ul li a{ float:left; width:180px; text-decoration:none; font-family:Arial, Helvetica, sans-serif; font-size:12px; }#baseInfoManager ul li a:hover{ width:180px; color:#000; text-decoration:none; background:#dce7f0;}</style><SCRIPT language="javascript"> window.onload=function() { var obtn=document.getElementById('btn'); var oul=document.getElementById('ul1'); obtn.onclick=function() { if(oul.style.display=='block') { oul.style.display='none'; } else { oul.style.display='block'; } } };</SCRIPT></head> <body bgcolor="#f3f8fc"> <div id="baseInfoManager"> <p id="btn"><a href="#" onClick="showSubMenu(1)">用户管理</a></p> <ul id="ul1" style="display:none;"> <li><a href="#" >aaa</a></li> <li><a href="#" >bbb</a></li> </ul> <p id="btn1"><a href="#" onClick="showSubMenu(2)">系统管理</a></p> <ul id="ul2" style="display:none;"> <li>ccc </li> <li>ddd </li> </ul> </div> </body></html> 谢谢！
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