** 功能：提供类似MSN消息框
** 示例：
** 作者：ttyp
** 邮件：ttyp@21cn.com
** 日期：2005-3-18
**
**/
JS 代码：
// JScript 文件
/*
caption 标题栏
title 消息标题
message 消息主题
target 链接框架
action 链接地址
*/
function MessShow(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:250;
this.height = height?height:150;
this.timeout = 250; //消息停留时间
this.speed = 10; //消息速度，越小越快
this.step = 2; //移动步长
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
MessShow.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
MessShow.prototype.onunload = function()
{
return true;
}
// 消息命令事件，要实现自己的连接，请重写它
MessShow.prototype.oncommand = function()
{
window.open(this.action,this.target);
this.hide();
}
// 消息显示方法
MessShow.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:#005FEE 1px solid; BORDER-TOP:#005FEE 1px solid; Z-INDEX: 99999; LEFT: 0px; BORDER-LEFT:#005FEE 1px solid; WIDTH: " + w + "px; BORDER-BOTTOM:#005FEE 1px solid; POSITION: absolute; TOP: 0px; HEIGHT: " + h + "px; BACKGROUND-COLOR:#FFFFFF'>"
str += "<TABLE style='BORDER-TOP: #FFFFFF 1px solid; BORDER-LEFT: #FFFFFF 1px solid' cellSpacing=0 cellPadding=0 width='100%' bgColor=#FFFFFF border=0>"
str += "<TR>"
str += "<TD style='FONT-SIZE: 12px;COLOR: #0052CC' width=30 height=24>∵</TD>"
str += "<TD style='PADDING-LEFT: 4px; FONT-WEIGHT: normal; FONT-SIZE: 12px; COLOR:#0052CC; PADDING-TOP: 4px' vAlign=center width='100%'>" + this.caption + "</TD>"
str += "<TD style='PADDING-RIGHT: 2px; PADDING-TOP: 2px' vAlign=center 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: FFFFFF 1px solid; PADDING-RIGHT: 8px; BORDER-TOP:#66A3FF 1px solid; PADDING-LEFT: 8px; FONT-SIZE: 12px; PADDING-BOTTOM: 8px; BORDER-LEFT:#FFFFFF 1px solid; WIDTH: 100%; COLOR:#FFFFFF; PADDING-TOP: 8px; BORDER-BOTTOM:#FFFFFF 1px solid; HEIGHT: 100%'><FONT color=#EE0000>" + this.title + "</FONT><BR><BR>"
str += "<DIV style='WORD-BREAK: break-all' align=left><A href='javascript:void(0)' hidefocus=true id='btCommand'><FONT color=#EE0000>" + this.message + "</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();
}
}
// 设置速度方法
MessShow.prototype.speed = function(s)
{
var t = 10;
try
{
t = praseInt(s);
}
catch(e){}
this.speed = t;
}
// 设置步长方法
MessShow.prototype.step = function(s)
{
var t = 2;
try
{
t = praseInt(s);
}
catch(e){}
this.step = t;
}
MessShow.prototype.rect = function(left,right,top,bottom)
{
try
{
this.left = left?left:0;
this.right = right?right:screen.availWidth -1;
this.top = top?top:0;
this.bottom = bottom?bottom:screen.availHeight;
}
catch(e)
{}
}
后台代码：
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>MSN 弹出消息框</title>
<script language=javascript type="text/javascript" src="MsnPup.js"></script>
<script language=javascript type="text/javascript">
function load()
{
var msg = new MessShow("love",250,150,"信息","天山寒雪，你好！","QQ:757015000 请求加为好友！","_bank",'http://www.baidu.com');
msg.show();
}
</script>
</head>
<body οnlοad="load()">
<form id="form1" runat="server">
<div>
</div>
</form>
</body>
)
