cache存储常用方法

cache 存储常用方法

/**
 * [设置cookie]
 * @param {[string]} key   [键]
 * @param {[string]} value [值]
 * @param {[number]} t     [过期时间(天)]
 */
function setCookie(key, value, t) {
    var oDate = new Date();
    oDate.setDate(oDate.getDate() + t);
    document.cookie = key + "=" + value + ";expires=" + oDate.toGMTString();
}

/**
 * [读取cookie]
 * @param  {[string]} key [键]
 * @return {[type]}     [description]
 */
function getCookie(key) {
    var arr1 = document.cookie.split("; ");
    for (var i = 0; i < arr1.length; i++) {
        var arr2 = arr1[i].split("=");
        if (arr2[0] == key) {
            return decodeURI(arr2[1]);
        }
    }
}

/**
 * [删除cookie]
 * @param  {[string]} key [键]
 * @return {[type]}     [description]
 */
function removeCookie(key) {
    myJsPag.setCookie(key, "", -1);
}