登陸界麵，灰掉主界麵。。得解決方法

本文链接：https://blog.youkuaiyun.com/youngengineer/article/details/2227447

本文介绍了一种使用HTML和JavaScript实现自定义弹窗的方法。通过编写特定的HTML结构和JavaScript代码，可以创建一个带有背景遮罩和自定义样式的弹窗，并能够响应用户的点击事件来关闭弹窗。

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<HTML><HEAD>
<META content="MSHTML 6.00.2800.1586" name=GENERATOR></HEAD>
<BODY><INPUT onclick="sAlert('测试效果<br/>还可以直接书写HTML代码 <br/>© 2006');" type=button value=点击这里>
<SCRIPT language=javascript type=text/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
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=document.body.offsetHeight;

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";
document.body.appendChild(bgObj);
var msgObj=document.createElement("div")
msgObj.setAttribute("id","msgDiv");
msgObj.setAttribute("align","center");
msgObj.style.position="absolute";
msgObj.style.background="white";
msgObj.style.font="12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif";
msgObj.style.border="1px solid " + bordercolor;
msgObj.style.width=msgw + "px";
msgObj.style.height=msgh + "px";
msgObj.style.top=(document.documentElement.scrollTop + (sHeight-msgh)/2) + "px";
msgObj.style.left=(sWidth-msgw)/2 + "px";
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>