#cookie缓存 ~~~ //设置cookie function setCookie(name,value,time){ var strsec = getsec(time); var exp = new Date(); exp.setTime(exp.getTime() + strsec*1); document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString(); } function getsec(str){ var str1=str.substring(1,str.length)*1; var str2=str.substring(0,1); if (str2=="s") { return str1*1000; } else if (str2=="h") { return str1*60*60*1000; } else if (str2=="d") { return str1*24*60*60*1000; } } // setCookie("name","hayden","s20"); //获取cookie function getCookie(cname) { var name = cname + "="; var ca = document.cookie.split(';'); for(var i = 0; i < ca.length; i++) { var c = ca[i]; while (c.charAt(0) == ' ') { c = c.substring(1); } if (c.indexOf(name) == 0) { // console.log(c.substring(name.length, c.length)) return c.substring(name.length, c.length); } } return ""; } //清除cookie function clearAllCookie() { var keys = document.cookie.match(/[^ =;]+(?=\=)/g); if(keys) { for(var i = keys.length; i--;) document.cookie = keys[i] + '=0;expires=' + new Date(0).toUTCString() } } ~~~