function setCookie(name,value,expires,path,domain,secure)
{
var expString = ((expires == "")?"":("; expires="+expires.toGMTString()));
var pathString = ((path == "")?"":("; path="+path));
var domainString = ((domain == "")?"":("; domain=" +domain));
var secureString = ((secure == "true")?("; secure"):"");
document.cookie = name + "=" + escape(value)+ expString + pathString + domainString + secureString;
}
expDate = new Date();
expDate.setTime(expDate.getTime()+parseInt(exp));
setCookie(nameString,valueString,expDate,pathString,domainString,secureString);上面是一个保存cookie的函数,当你把exp参数设成一个单位为毫秒的时间值时,cookie就保存exp这么长的时间。function GetCookie(name)
{
var sesult = null;
var myCookie = "" + document.cookie + ";";
var searchName = "" + name + "=";
var startOfCookie = myCookie.indexOf(searchName);
var endOfCookie;
if (startOfCookie!=-1)
{
startOfCookie += searchName.length;
//skip past cookie name
endOfCookie = myCookie.indexOf(";",startOfCookie);
result = unescape(myCookie.substring(startOfCookie,endOfCookie));
}
return result;
}
上面函数是查找cookie函数。返回所找到的cookie值
{
var expString = ((expires == "")?"":("; expires="+expires.toGMTString()));
var pathString = ((path == "")?"":("; path="+path));
var domainString = ((domain == "")?"":("; domain=" +domain));
var secureString = ((secure == "true")?("; secure"):"");
document.cookie = name + "=" + escape(value)+ expString + pathString + domainString + secureString;
}
expDate = new Date();
expDate.setTime(expDate.getTime()+parseInt(exp));
setCookie(nameString,valueString,expDate,pathString,domainString,secureString);上面是一个保存cookie的函数,当你把exp参数设成一个单位为毫秒的时间值时,cookie就保存exp这么长的时间。function GetCookie(name)
{
var sesult = null;
var myCookie = "" + document.cookie + ";";
var searchName = "" + name + "=";
var startOfCookie = myCookie.indexOf(searchName);
var endOfCookie;
if (startOfCookie!=-1)
{
startOfCookie += searchName.length;
//skip past cookie name
endOfCookie = myCookie.indexOf(";",startOfCookie);
result = unescape(myCookie.substring(startOfCookie,endOfCookie));
}
return result;
}
上面函数是查找cookie函数。返回所找到的cookie值
.htm可以读出aa cookie。
{
if(document.Cookie==null)//没有cookie
{
return null;
}
else
{
return getCookie(CookieName);
}
}
//-----------------------------------------------------------------------------
function getCookie(CookieName)//读出Cookie
{
var CookieStr=document.Cookie;
var CookieHeader=CookieName+"=";
var start=CookieStr.indexOf(CookieHeader);
var end;
if(start==-1)//找不到Cookie
{
return null;
}
else
{
start=CookieName.length+1;
end=CookieStr.indexOf(";",start);
if(end==-1)
return unescape(CookieStr.substring(start));
else
return unescape(CookieStr.substring(start,end));
}
}//-------------------------------------
function setCookie(CookieName,CookieValue)//设置Cookie
{
var expTime=new Date();
expTime.setTime(expTime.getTime()+60*60*1000*24*7);//一个星期过期时间
var cookieValue=CookieName+"="+escape(CookieValue)+";expires="+expTime.toGMTString();
cookieValue+=";path=/;domain=www.enlight-china.com;";
document.Cookie=cookieValue;
}
//--------------------------------
在同一页中可以先设置cookie,可以正常读出cookie。如果先设置cookie,然后重载一次页面(在ie地址栏按转到)读出cooie为null,没有定义。在另外的htm也不能读出cookie天啊。主,救我。
设置cookie的path属性,path为能访问该cookie的页面
我的qq:10987478
MSN:[email protected]
可以加我吗:
<html>
<head>
<script type="text/javascript">
function setCookieEZ(name,value)
{
if (name==""||value=="")
{
alert("name and value can not be empty!");
return;
}
document.cookie=name+"="+escape(value);
document.getElementById('t1').value="";
document.getElementById('t2').value="";
}
function setCookie(name,value,expires,path,domain,secure)
{
var expString = ((expires == "")?"":("; expires="+expires.toGMTString()));
var pathString = ((path == "")?"":("; path="+path));
var domainString = ((domain == "")?"":("; domain=" +domain));
var secureString = ((secure == "true")?("; secure"):"");
document.cookie = name + "=" + escape(value)+ expString + pathString + domainString + secureString;
alert(name+" "+value+" "+expString+" "+pathString+" "+domainString+" "+secureString);
}
function beforSet()
{
var nameString = document.getElementById('txt1').value;
var valueString = document.getElementById('txt2').value;
var expiresString = document.getElementById('txt3').value;
var pathString = document.getElementById('txt4').value;
var domainString = document.getElementById('txt5').value;
var secureString = document.getElementById('sec').options[document.getElementById('sec').options.selectedIndex].text;
var expDate="";
if(expiresString!="")
{
expDate = new Date();
expDate.setTime(expDate.getTime()+parseInt(expiresString));
}
setCookie(nameString,valueString,expDate,pathString,domainString,secureString);
}
function getCookie(name)
{
var result = null;
var myCookie = "" + document.cookie + ";";
var searchName = "" + name + "=";
var startOfCookie = myCookie.indexOf(searchName);
var endOfCookie;
if (startOfCookie!=-1)
{
startOfCookie += searchName.length;
//skip past cookie name
endOfCookie = myCookie.indexOf(";",startOfCookie);
result = unescape(myCookie.substring(startOfCookie,endOfCookie));
}
return result;
}
</script>
</head>
<body>
name:<input type="text" id=t1 width=10>
value:<input type="text" id=t2 width=10>
<input type="button" value="Set Cookie" onclick="setCookieEZ(document.getElementById('t1').value,document.getElementById('t2').value)">
<hr>
<input type="button" value="Show Cookie" onclick="javascript:alert(document.cookie)">
<hr>
name:<input type="text" id=txt1 width=10>
value:<input type="text" id=txt2 width=10>
expires:<input type="text" id=txt3 width=10>
<p></p>
path:<input type="text" id=txt4 width=10>
domain:<input type="text" id=txt5 width=10>
secure:<select id=sec size=1>
<option selected>false</option>
<option>true</option>
</select>
<input type="button" value="Set Cookie" onclick="beforSet()">
<hr>
<input type="button" value="Show Cookie" onclick="javascript:alert(document.cookie)">
<hr>
<input type="text" id=text1 width=10>
<input type="button" value="Find Cookie" onclick="javascript:if(document.getElementById('text1').value!='')alert(getCookie(document.getElementById('text1').value))">
</body>
</html>