用原生的JS封装cookie的操作方法

来源：互联网发布：淘宝上怎么买身份证编辑：程序博客网时间：2024/06/07 02:35

<button onclick="setCookie('username','John',1)">setCookie</button><button onclick="getCookie('username')">getCookie</button><button onclick="removeCookie('username')">moveCookie</button>

JS：

function setCookie(key, value, t){var oDate=new Date();oDate.setDate(oDate.getDate()+t);document.cookie=key+"="+encodeURIComponent(value)+";expires="+oDate.toUTCString();if(getCookie(key)){alert('设置成功');}else{alert('设置失败');}}function getCookie(key){var str=document.cookie.replace(/;\s*/,';');var cookieArr=str.split(';');var cookieObj={};var len=cookieArr.length;for(var i=0; i<len; i++){var item=cookieArr[i];var k=item.split('=')[0];var v=item.split('=')[1];cookieObj[k]=v;}if(cookieObj[key]){return decodeURIComponent(cookieObj[key]);}else{return false;}}function removeCookie(key){document.cookie=key+"=; expires=Thu, 01 Jan 1970 00:00:00 GMT";if(!getCookie(key)){alert('删除成功');}else{alert('删除失败');}}console.log(getCookie('username'))

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