<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>IT知道网</title>
<SCRIPT language=JavaScript>...
<!-- function CLASS_MSN_MESSAGE(id,width,height,caption,title,message,target,action)...{
this.id = id;
this.title = title;
this.caption= caption;
this.message= message;
this.target = target;
this.action = action;
this.width = width?width:200;
this.height = height?height:120;
this.timeout= 150;
this.speed = 20;
this.step = 1;
this.right = screen.width -1;
this.bottom = screen.height;
this.left = this.right - this.width;
this.top = this.bottom - this.height;
this.timer = 0;
this.pause = false;
this.close = false;
this.autoHide = true;
}
/**//**//**//*
* 隐藏消息方法
*/
CLASS_MSN_MESSAGE.prototype.hide = function()...{
if(this.onunload())...{
var offset = this.height>this.bottom-this.top?this.height:this.bottom-this.top;
var me = this;
if(this.timer>0)...{
window.clearInterval(me.timer);
}
var fun = function()...{
if(me.pause==false||me.close)...{
var x = me.left;
var y = 0;
var width = me.width;
var height = 0;
if(me.offset>0)...{
height = me.offset;
}
y = me.bottom - height;
if(y>=me.bottom)...{
window.clearInterval(me.timer);
me.Pop.hide();
} else ...{
me.offset = me.offset - me.step;
}
me.Pop.show(x,y,width,height);
}
}
this.timer = window.setInterval(fun,this.speed)
}
}
/**//**//**//*
* 消息卸载事件，可以重写
*/
CLASS_MSN_MESSAGE.prototype.onunload = function() ...{
return true;
}
/**//**//**//*
* 消息命令事件，要实现自己的连接，请重写它
*
*/
CLASS_MSN_MESSAGE.prototype.oncommand = function()...{
//this.close = true;
this.hide();
window.open("Default4.aspx");
}
/**//**//**//*
* 消息显示方法
*/
CLASS_MSN_MESSAGE.prototype.show = function()...{
var oPopup = window.createPopup(); //IE5.5+
this.Pop = oPopup;
var w = this.width;
var h = this.height;
var str = "<DIV style='BORDER-RIGHT: #455690 1px solid; BORDER-TOP: #a6b4cf 1px solid; Z-INDEX: 99999; LEFT: 0px; BORDER-LEFT: #a6b4cf 1px solid; WIDTH: " + w + "px; BORDER-BOTTOM: #455690 1px solid; POSITION: absolute; TOP: 0px; HEIGHT: " + h + "px; BACKGROUND-COLOR: #c9d3f3'>"
str += "<TABLE style='BORDER-TOP: #ffffff 1px solid; BORDER-LEFT: #ffffff 1px solid' cellSpacing=0 cellPadding=0 width='100%' bgColor=#cfdef4 border=0>"
str += "<TR>"
str += "<TD style='FONT-SIZE: 12px;COLOR: #0f2c8c' width=30 height=24></TD>"
str += "<TD style='PADDING-LEFT: 4px; FONT-WEIGHT: normal; FONT-SIZE: 12px; COLOR: #1f336b; PADDING-TOP: 4px' valign=middle width='100%'>" + this.caption + "</TD>"
str += "<TD style='PADDING-RIGHT: 2px; PADDING-TOP: 2px' valign=middle align=right width=19>"
str += "<SPAN title=关闭 style='FONT-WEIGHT: bold; FONT-SIZE: 12px; CURSOR: hand; COLOR: red; MARGIN-RIGHT: 4px' id='btSysClose' >×</SPAN></TD>"
str += "</TR>"
str += "<TR>"
str += "<TD style='PADDING-RIGHT: 1px;PADDING-BOTTOM: 1px' colSpan=3 height=" + (h-28) + ">"
str += "<DIV style='BORDER-RIGHT: #b9c9ef 1px solid; PADDING-RIGHT: 8px; BORDER-TOP: #728eb8 1px solid; PADDING-LEFT: 8px; FONT-SIZE: 12px; PADDING-BOTTOM: 8px; BORDER-LEFT: #728eb8 1px solid; WIDTH: 100%; COLOR: #1f336b; PADDING-TOP: 8px; BORDER-BOTTOM: #b9c9ef 1px solid; HEIGHT: 100%'>" + this.title + "<BR><BR>"
str += "<DIV style='WORD-BREAK: break-all' align=left><A href='javascript:void(0)' hidefocus=false id='btCommand'><FONT color=#ff0000>" + this.message + "</FONT></A>fghfghfghghghgh<A href='' hidefocus=false id='ommand'><FONT color=#ff0000>这里的信息是你要显示的，你可以把它链接改成你的链接，就是一点可以去哪页 的功能，因为用户登录后会有一个session的ID，所以这里你只要给一个页面连接，到这个页面里再用session的ID来进行选择相应的消息 就可以了。</FONT></A></DIV>"
str += "</DIV>"
str += "</TD>"
str += "</TR>"
str += "</TABLE>"
str += "</DIV>"
oPopup.document.body.innerHTML = str;
this.offset = 0;
var me = this;
oPopup.document.body.onmouseover = function()...{me.pause=true;}
oPopup.document.body.onmouseout = function()...{me.pause=false;}
var fun = function()...{
var x = me.left;
var y = 0;
var width = me.width;
var height = me.height;
if(me.offset>me.height)...{
height = me.height;
} else ...{
height = me.offset;
}
y = me.bottom - me.offset;
if(y<=me.top)...{
me.timeout--;
if(me.timeout==0)...{
window.clearInterval(me.timer);
if(me.autoHide)...{
me.hide();
}
}
} else ...{
me.offset = me.offset + me.step;
}
me.Pop.show(x,y,width,height);
}
this.timer = window.setInterval(fun,this.speed)
var btClose = oPopup.document.getElementById("btSysClose");
btClose.onclick = function()...{
me.close = true;
me.hide();
}
var btCommand = oPopup.document.getElementById("btCommand");
btCommand.onclick = function()...{
me.oncommand();
}
var ommand = oPopup.document.getElementById("ommand");
ommand.onclick = function()...{
//this.close = true;
me.hide();
window.open(ommand.href);
}
}
/**//**//**//*
** 设置速度方法
**/
CLASS_MSN_MESSAGE.prototype.speed = function(s)...{
var t = 20;
try ...{
t = praseInt(s);
} catch(e)...{}
this.speed = t;
}
/**//**//**//*
** 设置步长方法
**/
CLASS_MSN_MESSAGE.prototype.step = function(s)...{
var t = 1;
try ...{
t = praseInt(s);
} catch(e)...{}
this.step = t;
}
CLASS_MSN_MESSAGE.prototype.rect = function(left,right,top,bottom)...{
try ...{
this.left = left !=null?left:this.right-this.width;
this.right = right !=null?right:this.left +this.width;
this.bottom = bottom!=null?(bottom>screen.height?screen.height:bottom):screen.height;
this.top = top !=null?top:this.bottom - this.height;
} catch(e)...{}
}
var MSG1 = new CLASS_MSN_MESSAGE("aa",200,120,"短消息提示：","您有1封消息","");
MSG1.rect(null,null,null,screen.height-50);
MSG1.speed = 10;
MSG1.step = 5;
//alert(MSG1.top);
var i = <%=i%>;
if(i==1)//这里是做一个判断用来判断用户是否有新的消息
...{
MSG1.show();
}
//同时两个有闪烁，只能用层代替了，不过层不跨框架
//var MSG2 = new CLASS_MSN_MESSAGE("aa",200,120,"短消息提示：","您有2封消息","好的啊");
// MSG2.rect(100,null,null,screen.height);
// MSG2.show();
//-->
</SCRIPT>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
</form>
</body>
</html>
这是前台页面。
后台页面就简单多了，我只是做了一个简单的判断。没有做数据库的链接判断。 public static int i = 0;//这里定义一个静态变量用来存储状态值的。因为做为静态处理，你在前台页面可以使用它。
protected void Page_Load(object sender, EventArgs e)
...{
i = 2;
}好了，看一下效果吧。应该还是不错的。
