短信驗證碼獲取(等待時間爲Num=60s)
<button id='btn'>點擊獲取驗證碼</button>
<script src="http://code.jquery.com/jquery-2.1.1.min.js"></script>
<script>
$(function () {
var Num = 60;
function getNumber() {
var timer= setInterval(function () {
$("#btn").attr("disabled", "disabled");
$("#btn").text(Num + "秒後重新獲取");
if (Num > 0) { Num--;} else {
$("#btn").attr("disabled", false);
$("#btn").text("點擊獲取驗證碼");
Num = 60;
clearInterval(timer);
}
}, 1000);
};
$("#btn").click(function () {
getNumber();
})
})
</script>