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JS来实现右下角弹出DIV,可最小化关闭

2016-02-29 19:57 681 查看

(素材背景)

HTML代码:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

<title>用JS来实现右下角弹出DIV,可最小化关闭</title>

<script src="msg.js" type="text/javascript"></script>

<style type="text/css" media="screen">

/* 右下角跳出的广告 */

#downmsg_emessage{POSITION: fixed;_position:absolute; z-index:100; bottom:0;right:0; background:url(image/down_msg_bg.gif) no-repeat left top;width:225px;}

#donwmsg_head{float:left; display:inline; font-size:12px;color:#FFFFFF;margin-left: 26px;margin-top: 6px;}

#downmsgBar .close{float:right;width:11px;height:11px;margin-top:6px;display:block;margin-right:5px;}

#downmsgBar{height:25px;}

#donwmsg_content{height:162px;overflow:hidden;}

#donwmsg_content ul{font-size:12px;color:#007cc1; top: 0px;padding:0px 2px 0 6px;left: 6px;line-height:180%; height:110px; overflow:hidden;}

#donwmsg_content ul li{background:url(image/down_msg_bg.gif) no-repeat -100px -245px;text-indent:13px;}

#donwmsg_content ul li a{color:#007cc1;}

#donwmsg_content ul .ll a{color:#a10000;font-weight:bold;}

#donwmsg_content p{position:absolute;left: 13px;top: 157px;}

#donwmsg_content .lb{padding:0px; text-align:center;}

#donwmsg_content .lb a{font-size:12px;color:Blue}

a.msg-hidden-btn-2{width:11px; height:11px;overflow:hidden;float:right;display:block;margin-right:5px;margin-top:6px;background:url(image/down_msg_bg.gif) no-repeat -0px -250px;}

a.msg-hidden-btn-1{ width:11px; height:11px;overflow:hidden;float:right;display:block;margin-right:5px;margin-top:6px;background:url(image/down_msg_bg.gif) no-repeat -50px -250px;}

</style>

</head>

<body>

<div style="width:98%; border:1px solid red; height:700px;"></div>

<div id="downmsg_emessage" style="DISPLAY: block">

<div id="downmsgBar">

<div id="donwmsg_head">我的空间我做主</div><a class="close" href="javascript:closeDiv()"></a><a class="msg-hidden-btn-1" id="msg_hidden_btn" href="javascript:showHideDiv()"> </a></div>

<div id="donwmsg_content" style="DISPLAY: block; HEIGHT: 162px">

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</div>

</div></body>

</html>

JS代码:

var downMsg=function(msgid,contentid,config){

this.msg = $i(msgid);

this.content = $i(contentid);

this.config = config ? config : {start_delay:3000, speed: 5, movepx:2,cookie:'downMsgcookie',expiresDay:0};

this.offsetHeight;

this.emsg_objTimer;

this.ie6Add =0;

var _this = this;

this.init = function(){

var ifcookie=_jsc.cookies.getCookie(this.config.cookie);

if(ifcookie == "show")

return;

window.setTimeout(_this.start,parseInt(_this.config.start_delay,10));

}

this.start = function(){

_this.msg.style.display="block";

_this.content.style.display="block";

_this.offsetHeight = _this.content.offsetHeight;

_this.content.style.height ="0px";

_this.emsg_objTimer = setInterval(_this.moveUpDiv,parseInt(_this.config.speed,10));

}

this.moveUpDiv = function(){

if(_this.offsetHeight> parseInt(_this.content.style.height,10)){

_this.content.style.height = parseInt(_this.content.style.height,10)+parseInt(_this.config.movepx,10)+"px";

}

else{

window.clearInterval(_this.emsg_objTimer);

_jsc.cookies.setCookie(_this.config.cookie,"show",_this.config.expiresDay);

// ie6下才做，因为没有fixed属性

var isMSIE = !!(/*@cc_on!@*/0);

if(isMSIE &&!(window.XMLHttpRequest))

{

_this.content.style.height = parseInt(_this.content.style.height,10) +2+"px";

_this.autoMoveIe6();

}

}

}

this.autoMoveIe6 = function(){

if(_this.ie6Add ==0){

_this.content.style.height = parseInt(_this.content.style.height,10) + 1 +"px";

_this.msg.style.bottom="-2px";

_this.ie6Add =1;

}

else{

_this.content.style.height = parseInt(_this.content.style.height,10) - 1 +"px";

_this.msg.style.bottom="-1px";

_this.ie6Add =0;

}

setTimeout(_this.autoMoveIe6,100)

}

}

function closeDiv()

{

document.getElementById('downmsg_emessage').style.display='none';

}

function showHideDiv()

{

var ct = document.getElementById('donwmsg_content');

var btn = document.getElementById('msg_hidden_btn');

if(ct.style.display!="none"){

ct.style.display = "none"

btn.className="msg-hidden-btn-2";

}else{

ct.style.display="block";

btn.className="msg-hidden-btn-1";

}

}

运行后的效果:

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