使用JavaScript实现短信重发倒计时

目录

主要html结构

以下html片段表示了重发倒计时组件的文档结构,依赖Amaze UI样式框架

onclick=”btnSendMsgAgain();return false;”中的return false作用:
验证码是位于form表单中的,点击该按钮的作用是发送验证码,而不是提交表单,return false为了彻底阻止元素的默认事件。

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<div class="am-u-sm-4  am-margin-left-0 am-padding-left-0">
<button id="getVerifyCodeAgain" type="button" class="am-btn am-margin-left-0" onclick="btnSendMsgAgain();return false;">发送验证码</button>
</div>

效果


主要逻辑

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//短信重置密码-发送短信验证码
function btnSendMsg(){
$.ajax({
url: "{:U('forgetPasswordBySMS')}",
type: "GET",
async: true,
data: {username: $("#hiddenUsername-readyToSendMsg").val()},
dataType: "json",
timeout: 10000,
success: function(data){
if(data.status=='success'){
$("#readyToSendMsg").modal('close');
$("#hiddenUsername-resetPasswordBySMSbtn").attr('value',data.username);
$("#phone-resetPasswordBySMSbtn").html(data.phone);
$("#resetPasswordBySMSbtn").modal({
width: 500,
height:400,
closeViaDimmer: 0
})
$("#resetPasswordBySMSbtn").modal('open');
timeCountDown();
} else {
alert(data.message);
}
},
error: function(XMLHttpRequest, textStatus, errorThrown) {
if(textStatus=="timeout"){
alert("请求超时,请检查网络连接设置");
}
}
})
}

function btnSendMsgAgain(){
timeCountDown();
$.ajax({
url: "{:U('forgetPasswordBySMS')}",
type: "GET",
async: true,
data: {username: $("#hiddenUsername-readyToSendMsg").val()},
dataType: "json",
timeout: 10000,
success: function(data){
if(data.status=='success'){
} else {
alert(data.message);
}
},
error: function(XMLHttpRequest, textStatus, errorThrown) {
if(textStatus=="timeout"){
alert("请求超时,请检查网络连接设置");
}
}
})
}
var wait=60;
function timeCountDown(){
if (wait == 0) {
$("#getVerifyCodeAgain").removeAttr("disabled");
$("#getVerifyCodeAgain").html("发送验证码");
wait = 60;
} else {
$("#getVerifyCodeAgain").attr("disabled", true);
$("#getVerifyCodeAgain").html("重新发送(" + wait + ")");
wait--;
setTimeout(function() {
timeCountDown();
},1000)
}
}