用iframe解决Applet遮挡菜单博客分类:
javaScriptCSSApplet在网页中默认为最上层显示,用iframe可以解决此问题。
下面是解决applet遮挡下拉菜单的实例:
只需在需要的菜单上面添加一个空的iframe,注意高度设定为menu显示时的实际高度
Html代码
<ul class="menu" id="menu">
<li id="m_1" class='m_li'><a href="${pageContext.request.contextPath}/" class="dh"><fmt:message key="webshop.menu.home"/></a></li>
<!-- <li class="m_line"><img src="${pageContext.request.contextPath}/images/dh-line.jpg" border="0"/></li> -->
<li id="m_2" class='m_li'><a href="#" class="dh"><fmt:message key="webshop.menu.about"/></a>
<ul>
<li><a href="${pageContext.request.contextPath}/artifact/detail.do?menuId=2"><fmt:message key="webshop.menu.about.information"/></a></li>
<li><a href="${pageContext.request.contextPath}/artifact/detail.do?menuId=3"><fmt:message key="webshop.menu.about.accolades"/></a></li>
<li><a href="${pageContext.request.contextPath}/artifact/detail.do?menuId=4"><fmt:message key="webshop.menu.about.history"/></a></li>
<li><a href="${pageContext.request.contextPath}/artifact/detail.do?menuId=5"><fmt:message key="webshop.menu.about.culture"/></a></li>
<li><a href="${pageContext.request.contextPath}/artifact/detail.do?menuId=6"><fmt:message key="webshop.menu.about.structure"/></a></li>
</ul>
</li>
<!-- <li class="m_line"><img src="${pageContext.request.contextPath}/images/dh-line.jpg" border="0"/></li> -->
<li id="m_3" class='m_li'><a href="#" class="dh"><fmt:message key="webshop.menu.rd"/></a>
<ul>
<span style="color: #ff0000;"><iframe class="menu_iframe" height="81px" frameborder="0"></iframe></span>
<li><a href="${pageContext.request.contextPath}/artifact/detail.do?menuId=8"><fmt:message key="webshop.menu.rd.research"/></a></li>
<li><a href="${pageContext.request.contextPath}/artifact/detail.do?menuId=9"><fmt:message key="webshop.menu.rd.development"/></a></li>
<li><a href="${pageContext.request.contextPath}/artifact/detail.do?menuId=10"><fmt:message key="webshop.menu.rd.quanlity"/></a></li>
</ul>
</li>
</ul>
(width为实际菜单菜单宽度)
Css代码
.menu_iframe{position:absolute; visibility:inherit;top:0px;left:0px; <span style="color: #ff0000;">width:125px</span>; z-index:-1; filter: Alpha(Opacity=0);}
CSS的用途:
visiblility : inherit --继承父对象的可见性
position:absolute; --要激活对象的绝对(absolute)定位,必须指定
left ,
right ,
top ,
bottom 属性中的至少一个.
filter: Alpha(Opacity=0)--背景设定为透明.
搞了大半天才发现如此简单,晕...
友情提示:感谢X...哥的指点. Eric:你可以转载了! 哈。。。:-) 果真瘦瘦啊!
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