仅弹出一次窗口-网页制作-轻松学电脑

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仅弹出一次窗口

仅弹出一次窗口

效果显示看到了吧!

脚本说明:

第一步:把如下代码加入<meta http-equiv="Content-Language" content="zh-cn">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<head>区域中

<!--

function openpopup(){

window.open("welcome.htm","","width=300,height=300")

}

function get_cookie(Name) {

var search = Name + "="

var returnvalue = "";

if (document.cookie.length > 0) {

offset = document.cookie.indexOf(search)

if (offset != -1) { // if cookie exists

offset += search.length

// set index of beginning of value

end = document.cookie.indexOf(";", offset);

// set index of end of cookie value

if (end == -1)

end = document.cookie.length;

returnvalue=unescape(document.cookie.substring(offset, end))

}

return returnvalue;

}

function loadpopup(){

if (get_cookie('popped')==''){

openpopup()

document.cookie="popped=yes"

}

//-->

</SCRIPT>

第二步:把<body>中内容改为:

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