标签：浏览器 back lan ring 记录 str 验证码 auth end
<!doctype html><html lang="en"><head><meta charset="UTF-8"><meta name="Generator" content="EditPlus?"><meta name="Author" content=""><meta name="Keywords" content=""><meta name="Description" content=""><title>Document</title><!-- <script src="//cdn.bootcss.com/jquery-cookie/1.4.1/jquery.cookie.min.js"></script>--></head><body><input id="phonenum" type="text" value="18518181818"/><input id="second" type="button" value="免费获取验证码" /></body><script>//发送验证码时添加cookiefunction addCookie(name,value,expiresHours){ //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); $.cookie(name, escape(value), {expires: date});}else{$.cookie(name, escape(value));}} //修改cookie的值function editCookie(name,value,expiresHours){ if(expiresHours>0){ var date=new Date(); date.setTime(date.getTime()+expiresHours*1000); //单位是毫秒$.cookie(name, escape(value), {expires: date});} else{$.cookie(name, escape(value));}} //根据名字获取cookie的值function getCookieValue(name){ return $.cookie(name);}$(function(){$("#second").click(function (){sendCode($("#second"));});v = getCookieValue("secondsremained");//获取cookie值if(v>0){settime($("#second"));//开始倒计时}})//发送验证码function sendCode(obj){var phonenum = $("#phonenum").val();var result = isPhoneNum();if(result){// doPostBack(‘${base}/login/getCode.htm‘,backFunc1,{"phonenum":phonenum});addCookie("secondsremained",60,60);//添加cookie记录,有效时间60ssettime(obj);//开始倒计时}}//开始倒计时var countdown;function settime(obj) { countdown=getCookieValue("secondsremained");if (countdown == 0) { obj.removeAttr("disabled"); obj.val("免费获取验证码"); return;} else { obj.attr("disabled", true); obj.val("重新发送(" + countdown + ")"); countdown--;editCookie("secondsremained",countdown,countdown+1);} setTimeout(function() { settime(obj) },1000) //每1000毫秒执行一次} //校验手机号是否合法function isPhoneNum(){var phonenum = $("#phonenum").val();var myreg = /^(((13[0-9]{1})|(15[0-9]{1})|(18[0-9]{1}))+\d{8})$/; if(!myreg.test(phonenum)){ alert(‘请输入有效的手机号码！‘); return false; }else{return true;}}</script></html>基于JS实现发送短信验证码后的倒计时功能(无视页面刷新，页面关闭不进行倒计时功能)
标签：浏览器 back lan ring 记录 str 验证码 auth end
原文地址：http://www.cnblogs.com/sjqq/p/6361509.html
