cookie常用备忘

    xiaoxiao2021-12-12  2

    //获取cookie function getCookie(c_name) { if(document.cookie.length > 0) { c_start = document.cookie.indexOf(c_name + "=") if(c_start != -1) { c_start = c_start + c_name.length + 1 c_end = document.cookie.indexOf(";", c_start) if(c_end == -1) c_end = document.cookie.length return unescape(document.cookie.substring(c_start, c_end)) } } return "" } //放入cookie function setCookie(c_name, value, expiredays) { var exdate = new Date() exdate.setDate(exdate.getDate() + expiredays) document.cookie = c_name + "=" + escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString()) } //获取url参数 function getUrlParams(c_name) { if(!location.search) return ""; var pstr = location.search.substr(1, location.search.length - 1); if(pstr.length > 0) { c_start = pstr.indexOf(c_name + "=") if(c_start != -1) { c_start = c_start + c_name.length + 1 c_end = pstr.indexOf(";", c_start) if(c_end == -1) c_end = pstr.length return unescape(pstr.substring(c_start, c_end)) } } return "" } //删除cookie function DelCookie(name) { var exp = new Date(); exp.setTime(exp.getTime() - 1); document.cookie = name + "=; expires=" + exp.toGMTString(); }
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