js對cookie增刪改查的封裝
阿新 • • 發佈:2021-12-22
/** * 獲取cookie * @param name * @returns {*} */ function getCookie(name) { var cookieArr = document.cookie.split("; ");//使用"; "分割Cookie var cva = [], temp; //迴圈的得到Cookie名稱與值 for (i = 0; i < cookieArr.length; i++) { temp = cookieArr[i].split("=");//用"="分割Cookie的名稱與值 cva[temp[0]] = unescape(temp[1]); } if (name) { //如果有name則輸出這個name的Cookie值 return cva[name]; } else{ //如果沒有name則輸出空陣列 return cva; } } /** * 儲存cookie(儲存時間為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=/"; } /** * 刪除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=/"; } }