name：html" title=cookie>cookie的名字
expires：html" title=cookie>cookie的存活时间
path：作用范围，保存位置；这个填不对的话会影响html" title=cookie>cookie的获取

使用方法

html" title=js>js cs">html" title=cookie>cookie赋值：
html" title=js>js-keyword">var userName=html" title=js>js-string">"xiaoming";
setCookie(html" title=js>js-string">"userName", userName);

html" title=cookie>cookie取值：
html" title=js>js-keyword">var html" title=cookie>cookie=getCookie(html" title=js>js-string">"userName");

html" title=js>js scala">html" title=js>js-html" title=java>javadoc">/**
 * 默认的html" title=cookie>cookie写入方法
 * html" title=js>js-html" title=java>javadoctag">@param name
 * html" title=js>js-html" title=java>javadoctag">@param value
 */
function setCookie(name,value){
    html" title=js>js-keyword">var Days = html" title=js>js-number">1;
    html" title=js>js-keyword">var exp = html" title=js>js-keyword">new Date();
    exp.setTime(exp.getTime() + Days*html" title=js>js-number">24*html" title=js>js-number">60*html" title=js>js-number">60*html" title=js>js-number">1000);
    document.html" title=cookie>cookie = name + html" title=js>js-string">"="+ encodeURI (value) + html" title=js>js-string">";expires=" + exp.toGMTString()+html" title=js>js-string">";path=/leasingCalculator";
}
html" title=js>js-html" title=java>javadoc">/**
 * 获取Cookie中的值
 * html" title=js>js-html" title=java>javadoctag">@param objName
 * html" title=js>js-html" title=java>javadoctag">@returns
 */
function getCookie(objName){html" title=js>js-comment">//获取指定名称的html" title=cookie>cookie的值 
    html" title=js>js-keyword">var arrStr = document.html" title=cookie>cookie.split(html" title=js>js-string">"; "); 
    html" title=js>js-keyword">for (html" title=js>js-keyword">var i = html" title=js>js-number">0; i < arrStr.length; i++) { 
        html" title=js>js-keyword">var temp = arrStr[i].split(html" title=js>js-string">"="); 
        html" title=js>js-keyword">if (temp[html" title=js>js-number">0] == objName){ 
            html" title=js>js-keyword">return decodeURI(temp[html" title=js>js-number">1]); 
        }
    } 
}