📄 f5.js
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//参数:-----------------------------------------------------------------
//---------------------------------------------------------------------
var TIME_CONST = 1000 ;//禁止每一次刷新的时间段
var COUNT_CONST = 10 ;//用户可以刷新的次数
var lasttime = get_cookie("HG_LASTTIME");
var count = get_cookie("HG_COUNT");
var curtime = (new Date()).getTime();
if ( lasttime == "" )//第一次刷新------------------------------------(1)
{
document.cookie = "HG_COUNT=1" ;
}
else//开始判断
{
var space = curtime - lasttime ;
if ( space > TIME_CONST )//时间超出则重新计数---------------------(2)
{
document.cookie = "HG_COUNT=1" ;
}
else//时间短于预设时间--------------------------------------------(3)
{
count++;
if ( count > COUNT_CONST )//警告----------------------------(4)
{
document.cookie = "HG_COUNT=1" ;
window.open("regip.jsp","","height=100,width=100");
alert("警告:系统忙,请稍候重试!");
}
else//计数+1------------------------------------------------(5)
{
document.cookie = "HG_COUNT=" + count ;
}
}
}
//重新设定时间
document.cookie = "HG_LASTTIME="+curtime ;
function get_cookie(Name)
{
var search = Name + "="
var returnvalue = "";
if (document.cookie.length > 0)
{
offset = document.cookie.indexOf(search)
if (offset != -1)
{
offset += search.length
end = document.cookie.indexOf(";", offset);
if (end == -1)
end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset, end))
}
}
return returnvalue;
}
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