JS封装Cookie/* @黑眼诗人 <www.farwish.com> */<script>//设置cookie: cookie名，cookie值，天数function setCookie(name, value, iDay){var oDate = new Data();oDate.setDate(oDate.getDate() + iDay);document.cookie = name+ '=' +value+ '; expires = '+oDate}//获取cookiefunction getCookie(name){var arr = document.cookie.split(; ); //将cookie切割成数组for(var i = 0; i < arr.length; i++){var arr2 = arr[i].split('='); //数组元素以等号切割if(arr2[0] == name){return arr2[1]; //获取cookie名对应的cookie值}}return ''; //如果没有获取到值，返回空字符串}//删除cookiefunction removeCookie(name){setCookie(name, 1, -1);}//页面载入时执行window.onload = function (){var oForm = document.getElementById('form');var oUser = document.getElementsByName('user')[0];oForm.onsubmit = function (){setCookie('user', oUser.value, 14); //提交的时候设置cookie}oUser.value = getCookie('user'); //载入页面时设置user值}</script><form id="form" action="http://www.chenwei.ws">用户名：<input type="text" name="user" /><br />密码：<input type="passWord" name="pass" /><br /><input type="submit" value="登录"></form>