- $(function() {
- var _minute = parseInt("${exampaper.paperTime }");
- var _expiresHours = _minute * 60 * 1000;
- if(!hasSetCookie()){
- addCookie("${examinee.examineeId}", _expiresHours, _expiresHours);
- }
- settime($("#remainTime"));
- });
- function hasSetCookie(){
- var strCookie = document.cookie;
- var arrCookie = strCookie.split("; ");
- for (var i = 0; i < arrCookie.length; i++) {
- var arr = arrCookie[i].split("=");
- if (arr[0] == "${examinee.examineeId}") {
- return true;
- }
- };
- return false;
- }
- //开始倒计时
- function settime(remainTime) {
- var _time = getCookieValue("871d31bacfd4451484c5f70f8860c2a9");
- var _countdown = parseInt(getCookieValue("${examinee.examineeId}")) / 1000;
- if (_countdown <= 0) {
- alert("考试时间到!");
- endExam();
- } else {
- var _second = _countdown % 60;
- var _minute = parseInt(_countdown / 60) % 60;
- var _hour = parseInt(parseInt(_countdown / 60) / 60);
- if (_hour < 10)
- _hour = "0" + _hour.toString();
- if (_second < 10)
- _second = "0" + _second.toString();
- if (_minute < 10)
- _minute = "0" + _minute.toString();
- remainTime.html(_hour + ":" + _minute + ":" + _second);
- _countdown--;
- editCookie("${examinee.examineeId}", _countdown * 1000, _countdown * 1000);
- }
- //每1000毫秒执行一次
- setTimeout(function() {
- settime(remainTime);
- }, 1000);
- };
- //时添加cookie
- function addCookie(name, value, expiresHours) {
- var cookieString = name + "=" + escape(value); //escape() 函数可对字符串进行编码,这样就可以在所有的计算机上读取该字符串。
- //判断是否设置过期时间,0代表关闭浏览器时失效
- if (expiresHours > 0) {
- var date = new Date();
- date.setTime(date.getTime() + expiresHours * 1000);
- cookieString = cookieString + ";expires=" + date.toUTCString();
- }
- document.cookie = cookieString;
- }
- //修改cookie的值
- function editCookie(name, value, expiresHours) {
- var cookieString = name + "=" + escape(value);
- if (expiresHours > 0) {
- var date = new Date();
- date.setTime(date.getTime() + expiresHours * 1000); //单位是毫秒
- cookieString = cookieString + ";expires=" + date.toGMTString();
- }
- document.cookie = cookieString;
- }
- //根据名字获取cookie的值
- function getCookieValue(name) {
- var strCookie = document.cookie;
- var arrCookie = strCookie.split("; ");
- for (var i = 0; i < arrCookie.length; i++) {
- var arr = arrCookie[i].split("=");
- if (arr[0] == name) {
- return unescape(arr[1]);
- break;
- } else {
- continue;
- };
- };
- }
来源: http://www.phpxs.com/code/1003736/