如何让网页全部不可以用变灰色,只显示一个DIV 貌似:一个遮盖全页可视范围的DIV,设一定的透明度,看起来就全部灰了。然后顶层再给一个DIV。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 ajax框架,有现成的方法可用,你搜一下就OK 顶2楼的 这是 CSS+JS 属于JavaScript高级应用!楼主可以去搜搜相关的资料。网上一堆一堆的。 如2楼所说就这意思<body><div id="top"></div><div id="bottom"></div>其它内容.......</body>top=最上面显示的那个DIVbottom=下面盖住所有其他不显示元素的DIV,同时给他设置一个透明度就行了这两个DIV可以是用JS创建的也可以事先写上去然后设计他们的visibility就行了 <html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>无标题文档</title></head><body><div class="cecmbody" id="cecmpolicy"> <div class="leftClass"> <p>测试</p> <input type="button" value="点击这里" onclick="sAlert('<a href=http://www.uxing.cn/>测试效果</a>');" /> </div> <div class="rightClass"> </div> </div> <script type="text/javascript" language="javascript"> function sAlert(str){ var msgw,msgh,bordercolor; msgw=400;//提示窗口的宽度 msgh=100;//提示窗口的高度 titleheight=25 //提示窗口标题高度 bordercolor="#336699";//提示窗口的边框颜色 titlecolor="#99CCFF";//提示窗口的标题颜色 var sWidth,sHeight; sWidth=document.body.offsetWidth; sHeight=screen.height; var bgObj=document.createElement("div"); bgObj.setAttribute('id','bgDiv'); bgObj.style.position="absolute"; bgObj.style.top="0"; bgObj.style.background="#777"; bgObj.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75"; bgObj.style.opacity="0.6"; bgObj.style.left="0"; bgObj.style.width=sWidth + "px"; bgObj.style.height=sHeight + "px"; bgObj.style.zIndex = "10000"; document.body.appendChild(bgObj); var msgObj=document.createElement("div") msgObj.setAttribute("id","msgDiv"); msgObj.setAttribute("align","center"); msgObj.style.background="white"; msgObj.style.border="1px solid " + bordercolor; msgObj.style.position = "absolute"; msgObj.style.left = "50%"; msgObj.style.top = "50%"; msgObj.style.font="12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif"; msgObj.style.marginLeft = "-225px" ; msgObj.style.marginTop = -75+document.documentElement.scrollTop+"px"; msgObj.style.width = msgw + "px"; msgObj.style.height =msgh + "px"; msgObj.style.textAlign = "center"; msgObj.style.lineHeight ="25px"; msgObj.style.zIndex = "10001"; var title=document.createElement("h4"); title.setAttribute("id","msgTitle"); title.setAttribute("align","right"); title.style.margin="0"; title.style.padding="3px"; title.style.background=bordercolor; title.style.filter="progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100);"; title.style.opacity="0.75"; title.style.border="1px solid " + bordercolor; title.style.height="18px"; title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif"; title.style.color="white"; title.style.cursor="pointer"; title.innerHTML="关闭"; title.onclick=function(){ document.body.removeChild(bgObj); document.getElementById("msgDiv").removeChild(title); document.body.removeChild(msgObj); } document.body.appendChild(msgObj); document.getElementById("msgDiv").appendChild(title); var txt=document.createElement("p"); txt.style.margin="1em 0" txt.setAttribute("id","msgTxt"); txt.innerHTML=str; document.getElementById("msgDiv").appendChild(txt); } </script></body></html> 用asp.net ajax的话有现成的控件,如果要自己写的话就用javascript+css,你可以参考新浪的js自己写一个~ 有关JavaScript作用域与闭包的问题,求帮忙解答 js第11讲 JavaScript DOM的操作(下) 如何调用ocx控件的函数 能不能在textarea输入框中实时统计行的数量 JavaScript 中的标签对象问题? 有点难度的问题,不知能不能实现???? JScript中如和定义一个常量?请指教:-) 送分的问题(不要笑话俺) 使用js或Jquery进行隐形打印(页面嵌入iframe,对其赋值,打印),求解!100分! 怎么用Ext form调用一个jsp页面 关于分页问题,向大家求教 如何设置OPTION为可选状态?
<body>
<div id="top"></div>
<div id="bottom"></div>
其它内容.......
</body>
top=最上面显示的那个DIV
bottom=下面盖住所有其他不显示元素的DIV,同时给他设置一个透明度就行了
这两个DIV可以是用JS创建的也可以事先写上去然后设计他们的visibility就行了
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head><body>
<div class="cecmbody" id="cecmpolicy">
<div class="leftClass">
<p>测试</p>
<input type="button" value="点击这里" onclick="sAlert('<a href=http://www.uxing.cn/>测试效果</a>');" />
</div>
<div class="rightClass">
</div>
</div>
<script type="text/javascript" language="javascript"> function sAlert(str){
var msgw,msgh,bordercolor;
msgw=400;//提示窗口的宽度
msgh=100;//提示窗口的高度
titleheight=25 //提示窗口标题高度
bordercolor="#336699";//提示窗口的边框颜色
titlecolor="#99CCFF";//提示窗口的标题颜色
var sWidth,sHeight;
sWidth=document.body.offsetWidth;
sHeight=screen.height;
var bgObj=document.createElement("div");
bgObj.setAttribute('id','bgDiv');
bgObj.style.position="absolute";
bgObj.style.top="0";
bgObj.style.background="#777";
bgObj.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75";
bgObj.style.opacity="0.6";
bgObj.style.left="0";
bgObj.style.width=sWidth + "px";
bgObj.style.height=sHeight + "px";
bgObj.style.zIndex = "10000";
document.body.appendChild(bgObj);
var msgObj=document.createElement("div")
msgObj.setAttribute("id","msgDiv");
msgObj.setAttribute("align","center");
msgObj.style.background="white";
msgObj.style.border="1px solid " + bordercolor;
msgObj.style.position = "absolute";
msgObj.style.left = "50%";
msgObj.style.top = "50%";
msgObj.style.font="12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif";
msgObj.style.marginLeft = "-225px" ;
msgObj.style.marginTop = -75+document.documentElement.scrollTop+"px";
msgObj.style.width = msgw + "px";
msgObj.style.height =msgh + "px";
msgObj.style.textAlign = "center";
msgObj.style.lineHeight ="25px";
msgObj.style.zIndex = "10001";
var title=document.createElement("h4");
title.setAttribute("id","msgTitle");
title.setAttribute("align","right");
title.style.margin="0";
title.style.padding="3px";
title.style.background=bordercolor;
title.style.filter="progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100);";
title.style.opacity="0.75";
title.style.border="1px solid " + bordercolor;
title.style.height="18px";
title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif";
title.style.color="white";
title.style.cursor="pointer";
title.innerHTML="关闭";
title.onclick=function(){
document.body.removeChild(bgObj);
document.getElementById("msgDiv").removeChild(title);
document.body.removeChild(msgObj);
}
document.body.appendChild(msgObj);
document.getElementById("msgDiv").appendChild(title);
var txt=document.createElement("p");
txt.style.margin="1em 0"
txt.setAttribute("id","msgTxt");
txt.innerHTML=str;
document.getElementById("msgDiv").appendChild(txt);
}
</script></body>
</html>