$(function () { $("#sms").click(function () { sendCode($("#sms")); }); v = getCookieValue("secondsremained");//擷取cookie值 if (v > 0) { settime($("#sms"));//開始倒計時 } }) //發送驗證碼 function sendCode(obj) { var phoneNumber = $("#Phone").val(); var result = isPhoneNum(phoneNumber); if (result) { //將手機利用ajax提交到背景發簡訊介面 $.post("/College/Code", { Phone: phoneNumber }, function (data) { if (data == "ok") { alert("驗證碼發送成功!"); } else { alert("驗證碼發送失敗,請重新發送!"); } }); addCookie("secondsremained", 60, 60);//添加cookie記錄,有效時間60s settime(obj); //開始倒計時 } } //開始倒計時 var countdown; function settime(obj) { countdown = getCookieValue("secondsremained"); if (countdown == 0) { obj.removeAttr("disabled"); obj.val("擷取驗證碼"); return; } else { obj.attr("disabled", true); obj.val("重新發送(" + countdown + ")"); countdown--; editCookie("secondsremained", countdown, countdown + 1); } setTimeout(function () { settime(obj) }, 1000) //每1000毫秒執行一次 } //校正手機號是否合法 function isPhoneNum(phoneNumber) { var myreg = /^(((13[0-9]{1})|(15[0-9]{1})|(18[0-9]{1}))+\d{8})$/; if (!myreg.test(phoneNumber)) { alert(‘請輸入有效手機號碼!‘); return false; } else { return true; } } //發送驗證碼時添加cookie function addCookie(name, value, expiresHours) { var cookieString = name + "=" + escape(value); //判斷是否設定到期時間,0代表關閉瀏覽器時失效 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); //單位是毫秒 cookieString = cookieString + ";expires=" + date.toGMTString(); } document.cookie = cookieString; } //根據名字擷取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 { return ""; break; } } } |