还是在做联通iom项目时遇到的一个需求,要求页面每隔半小时弹出一次提示消息（消息以类似qq新闻的形式弹出）。当时上网找的这么一个资料，已经不记得原文出处了
复制代码 代码如下:
<script type="text/javascript"> <br><!-- <br><br>/** <br>* 类名：CLASS_MSN_MESSAGE <br>* 功能：提供类似MSN消息框 <br>* 示例： <br>* var MSG = new CLASS_MSN_MESSAGE("aa",200,120,"短消息提示：","您有1封消息","今天请我吃饭哈"); <br>* MSG.show(); <br>* 消息构造 <br>*/ <br>function CLASS_MSN_MESSAGE(id,width,height,caption,title,message,target,action){ <br>this.id = id; <br>this.title = title; <br>this.caption = caption; <br>this.message = message; <br>this.target = target; <br>this.action = action; <br>this.width = width?width:200; <br>this.height = height?height:120; <br>this.timeout = 150; <br>this.speed = 20; <br>this.step = 1; <br>this.right = screen.width -1; <br>this.bottom = screen.height; <br>this.left = this.right - this.width; <br>this.top = this.bottom - this.height; <br>this.timer = 0; <br>this.pause = false; <br>this.close = false; <br>this.autoHide = true; <br>} <br><br>/** <br>* 隐藏消息方法 <br>*/ <br>CLASS_MSN_MESSAGE.prototype.hide = function(){ <br>if(this.onunload()){ <br>var offset = this.height>this.bottom-this.top?this.height:this.bottom-this.top; <br>var me = this; <br>if(this.timer>0){ <br>window.clearInterval(me.timer); <br>} <br><br>var fun = function(){ <br>if(me.pause==false||me.close){ <br>var x = me.left; <br>var y = 0; <br>var width = me.width; <br>var height = 0; <br>if(me.offset>0){ <br>height = me.offset; <br>} <br>y = me.bottom - height; <br>if(y>=me.bottom){ <br>window.clearInterval(me.timer); <br>} else { <br>me.offset = me.offset - me.step; <br>} <br>me.Pop.show(x,y,width,height); <br>} <br>} <br>this.timer = window.setInterval(fun,this.speed) <br>} <br>} <br><br>/** <br>* 消息卸载事件，可以重写 <br>*/ <br>CLASS_MSN_MESSAGE.prototype.onunload = function() { <br>return true; <br>} <br>/** <br>* 消息命令事件，要实现自己的连接，请重写它 <br>*/ <br>CLASS_MSN_MESSAGE.prototype.oncommand = function(){ <br>this.close = true; <br>this.hide(); <br>window.open("http://www.lost63.com"); <br>} <br>/** <br>* 消息显示方法 <br>*/ <br>CLASS_MSN_MESSAGE.prototype.show = function(){ <br>var oPopup = window.createPopup(); //IE5.5+ <br>this.Pop = oPopup; <br><br>var w = this.width; <br>var h = this.height; <br><br>// "×"关闭按钮 <br>/* <br>str += "<tr>" <br>str += "<td style='font-size: 12px;color: #0f2c8c' width=30 height=24>" <br>str += "<td style='padding-left: 4px; font-weight: normal; font-size: 12px; color: #1f336b; padding-top: 4px' valign=center width='100%'>" + this.caption + "" <br>str += "<td style='padding-right: 2px; padding-top: 2px' valign=center align=right width=19>" <br>str += "<span title=关闭 style='font-weight: bold; font-size: 12px; cursor: hand; color: red; margin-right: 4px' id='btsysclose' >×" <br>str += "" <br>*/ <br>// 按钮style <br>// style='width:60px; height:20px; border-right: #002D96 1px solid; padding-right: 2px; border-top: #002D96 1px solid; padding-left: 2px; FONT-SIZE: 12px; filter: progid:DXImageTransform.Microsoft.Gradient(GradientType=0, StartColorStr=#FFFFFF, EndColorStr=#9DBCEA); border-left: #002D96 1px solid; CURSOR: hand; color: black; padding-top: 2px; border-bottom: #002D96 1px solid;' <br><br>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'>" <br>str += "<table style='border-top: #ffffff 1px solid; border-left: #ffffff 1px solid' cellspacing=0 cellpadding=0 width='100%' bgcolor=#cfdef4 border=0>" <br><br>str += "<tr>" <br>str += "<td style='font-size: 12px;color: #0f2c8c' width=30 height=24>" <br>str += "<td style='padding-left: 4px; font-weight: normal; font-size: 12px; color: #1f336b; padding-top: 4px' valign=center width='100%'>" + this.caption + "" <br>str += "" <br>str += "<tr>" <br>/*height：设置里面内容区域的高度 */ <br>str += "<td style='padding-right: 1px;padding-bottom: 1px' colspan=3 height=" + (h-50) + ">" <br>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>" <br>str += "<div style='word-break: break-all' align=left><a href='javascript:void(0)' hidefocus=false id='btcommand'><font color=#ff0000>" + this.message + " - <a href='tencent://message/?uin=380522459&site=http://hi.baidu.com/lupeng0527&menu=yes' hidefocus=false id='ommand'><font color=#ff0000>有事您q我!</script>
str += ""
str += ""
str += ""
str += "
str += "
str += "
"
str += ""
str += "
" str += ""
str += "
str += "
str += "
str += ""
str += ""
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=true;}
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.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)
//"确认"关闭事件
var buttonClose = oPopup.document.getElementById("buttonClose");
buttonClose.onclick = function(){
me.close = true;
me.hide();
}
/*
* "×"关闭事件
* 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",240,150,"管理员：","思路决定出路","迷失路上");
MSG1.rect(null,null,null,screen.height-50);
MSG1.speed = 10;
MSG1.step = 5;
//alert(MSG1.top);
//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();
*/
/**
* 显示提示框
*/
function showMSG(){
MSG1.show();
}
