原生js封装cookie获取、设置及删除
使用cookie(key,value,options)
参数key,value,options(可选)
function cookie(key,value,options){ if(typeof value !== "undefined"){//write options=options||{} var cookie=encodeURIComponent(key)+"="+encodeURIComponent(value); if (typeof options.expries==="number"){ var date=new Date(); date.setDate(date.getDate()+options.expries); cookie += ";expries="+date.toUTCString(); } if(options.path) cookie += ";path="+options.path; if(options.domain) cookie += ";domain="+options.domain; if(options.secure) cookie += ";secure"; document.cookie=cookie; }else{//read var cookies=document.cookie.split(";"); for(var i=0;i<cookies.length;i++){ var cookie=cookies[i].split("="); var name=decodeURIComponent(cookie.shift()); if (name===key) return decodeURIComponent(cookie.join("=")); } return null; } }
function removeCookie(key,options){//remove options=options||{}; options.expries=-1; cookie(key,"",options); }