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演示地址：js仿QQ右下角弹出窗口
以下是源代码：
<html>
<head>
<title>弹出窗口测试</title>
<script type="text/javascript" language="javascript">
function showbox() {
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("http://www.baidu.com");
}
/**//*
* 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></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 stitle = document.getElementById("txttitle").value;
var sContent = document.getElementById("txtContent").value;
if (document.getElementById("stxttitle").value.length > 0) {
stitle = document.getElementById("stxttitle").value;
}
if (document.getElementById("stxtContent").value.length > 0) {
sContent = document.getElementById("stxtContent").value;
}
var MSG1 = new CLASS_MSN_MESSAGE("aa", 200, 120, "短消息提示：", stitle, sContent);
MSG1.rect(null, null, null, screen.height - 50);
MSG1.speed = 10;
MSG1.step = 5;
MSG1.show();
}
//-->
showbox();
</script>
</head>
<body>
<input type="button" value="弹出窗口" onclick="showbox()" /><br />
标题：<input type="text" value="" id="stxttitle" /><br />
内容：<input type="text" value="" id="stxtContent" /><br />
<input type="button" value="弹出所填内容窗口" onclick="showbox()" />
<input type="hidden" id="txttitle" value="test" />
<input type="hidden" id="txtContent" value="内容" />
</body>
</html>
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