js对cookie增删改查的封装
/** * 获取cookie * @param name * @returns {*} */ function getCookie(name) { var cookieArr = document.cookie.split("; ");//使用"; "分割Cookie var cva = [], temp; //循环的得到Cookie名称与值 for (i = 0; i < cookieArr.length; i++) { temp = cookieArr[i].split("=");//用"="分割Cookie的名称与值 cva[temp[0]] = unescape(temp[1]); } if (name) { //如果有name则输出这个name的Cookie值 return cva[name]; } else{ //如果没有name则输出空数组 return cva; } } /** * 保存cookie(保存时间为30天) * @param name * @param value */ function setCookie(name, value) { var Days = 30; var exp = new Date(); exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000); document.cookie = name + "=" + escape(value) + ";expires=" + exp.toGMTString() + ";path=/"; } /** * 删除cookie * @param name */ function delCookie(name) { var exp = new Date(); exp.setTime(exp.getTime() - 1); var cval = getCookie(name); if (cval != null){ document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString() + ";path=/"; } }