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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Cookie读写demo</title><script>var cookieName = "demo";/** 创建cookie */function createCookie(){ var username = document.getElementById("username").value; var date= new Date(); // 定义时间 var days=30; // 保存天数date.setTime(date.getTime()+(days*24*60*60*1000)); // 原有时间相加后获取有效期时间 //cookie由两部分组成name=value;有效期=值 document.cookie=cookieName+"="+username+";expires="+date.toGMTString();}/** 读取cookie */function getCookie()//取cookies函数{var arr = document.cookie.match(new RegExp("(^| )"+cookieName+"=([^;]*)(;|$)"));if(arr != null){var username = arr[2];document.getElementById("username").value = username;}}</script></head><body><input type="text" id="username" name="username"><input type="button" value="生成Cookie" ><input type="button" value="读Cookie" /></body></html> |
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