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为了给用户提示有信息，在页面右下角弹出一个消息提示,类似QQ或MSN的消息提示。
只要将本页保存为.html页面，然后打开就可以看到右下角有消息提示了。
<HTML><HEAD>
<TITLE>网页特效–页面右下角弹出类似QQ或MSN的消息提示</TITLE>
<SCRIPT language=JavaScript>
<!–
/*
** ============================================
** 类名：CLASS_MSN_MESSAGE
** 功能：提供类似MSN消息框
**===========================================*/
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= 200;
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("http://www.aspprogram.cn");
}
/**//*
* 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=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: #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></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","ASP编程网欢迎您");
MSG1.rect(null,null,null,screen.height-50);
MSG1.speed = 10;
MSG1.step = 20;
//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","ASP编程网欢迎您");
//MSG2.rect(100,null,null,screen.height);
//MSG2.show();
//–>
</SCRIPT>
<META content="MSHTML 6.00.2800.1106" name=GENERATOR></HEAD>
<BODY>网页特效–页面右下角弹出类似QQ或MSN的消息提示</BODY></HTML>
