常见页面元素遮住菜单解决方法
1.被Flash挡住
HTML5教程网介绍,设置Flash的参数:param name="wmode" value="opaque"
object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cabversion=6,0,29,0" width="468" height="60"param name="movie" value="http://pepsi.flash8.net/pepsi46860.swf"
param name="wmode" value="opaque"param name="quality" value="high"embed src="http://pepsi.flash8.net/pepsi46860.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="468" height="60"/embed/object
div style="position:absolute;left:150;top:50;width:100px;height:50px;background:green"
/div
或者用param name="wmode" value="transparent"
object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cabversion=6,0,29,0" width="468" height="60"param name="movie" value="http://pepsi.flash8.net/pepsi46860.swf"
param name="wmode" value="transparent"param name="quality" value="high"embed src="http://pepsi.flash8.net/pepsi46860.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="468" height="60"/embed/object
div style="position:absolute;left:150;top:50;width:100px;height:50px;background:green"
/div
2.被图片挡住
这个估计是因为图片也放在层中,而图片所在层的Z轴索引值比该层大,所以被挡住,解决办法是更改该层的Z轴索引值至比图片层大。
div style="position:absolute;left:0;top:20;z-index:2;background:red;width:120px;height:70px"
1img src="http://www.flash8.net/images/logo.gif"
/div
div style="position:absolute;left:50;top:50;z-index:2;background:green;width:120px;height:70px"
2img src="http://www.flash8.net/images/logo.gif"
/div
div style="position:absolute;left:90;top:80;z-index:2;background:blue;width:120px;height:70px"
3img src="http://www.flash8.net/images/logo.gif"
/div
3.被表单控件挡住
这个目前还没有完美的解决方法,一般都是在设计排版时就尽量避免这种情况,如果是万不得已,就在层经过表单控件时让表单控件隐藏,过后再让它显示:
button 显示层隐藏下拉选项/buttonbutton 显示下拉选项隐藏层/button
div style="position:absolute;left:0;top:50;z-index:2;background:red;width:120px;height:50px"
z-index:1select id="oSelect"/select
/div
div id="oLayer" style="position:absolute;left:30;top:60;z-index:2;background:green;width:120px;height:70px;display:none"
z-index:2img src="http://www.flash8.net/images/logo.gif"
/div
当然还有用优先级别较高的控件来代替层的方法解决,但控件并非是每台机器上都有安装,而且控件的可定制性也差,也就是常说的兼容性问题:
hhctrl.ocx
OBJECT id=hhctrl type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" codebase="Ifile:/Ihhctrl.ocxVersion=4,0,0,24" width=80 height=20
PARAM name="Command" value="Related Topics, MENU"
PARAM name="Button" value="Menu"
PARAM name="Item1" value="[X-Eyes];http://x-lover.com/forums/"
PARAM name="Item2" value="闪客之吧;http://www.flash8.net"
PARAM name="Item3" value="网页教学;http://www.webjx.com/"
PARAM name="Item4" value="蓝色理想;http://www.blueidea.com/"
PARAM name="Item5" value="a href="http://www.5d.cn"5D多媒体/a;http://www.5d.cn"
/OBJECT
select/select
window.createPopup()窗口(需要IE5.5+支持)
SCRIPT
var oPopup = window.createPopup();
function showPopupWin(){
var oPopBody = oPopup.document.body;
oPopBody.style.backgroundColor = "green";
oPopup.show(50, 120, 180, 65,document.body);
}
/SCRIPT
BUTTON Click Me!/BUTTONselect/select
iframe src="index.asp"/iframe
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