<!DOCTYPE html>
<html lang="cn">
<head>
<meta charset="UTF-8">
<title>短信验证码</title>
</head>
<body>
<input type="number" id="tel" value="13303861063">
<button for="pwd" id="btnCode">发送验证码</button>
</body>
<script>
var tel = {phone:13303861063}//tel 为 {phone:13303861063} 格式
var url = 'https://blog.csdn.net/qq_37144354/article/details/79905304'
sendcode(tel,url);
function sendcode(tel,url) {
//code 基础部分不用改，按钮id为 btnCode
code = {
url:url,
data:tel,
btn:"btnCode",//按钮的类名，id名
time:120,
sendSF:true,//状态判断
sendfn:function () {
if(code.sendSF){
code.sendSF = false;
var t = setInterval(function () {
code.time--;
obj.innerText="重新发送("+code.time+")";
if (code.time == 0){
clearInterval(t);
obj.innerText='重新获取';
code.sendSF = true;
code.time = 120;
}
},1000)
}
},
handler:function () {
if (code.time >0 && code.time <120){
alert('验证码30分钟才能获取一次')
}else {
code.ajaxfn(code.url,code.data)
}
},
ajaxfn:function (url,data) {
code.sendfn();
/* $.ajax({
type:'GET',
url:url,
data:data,
success:function (data) {
if(data == 'success'){
alert( '验证码30分钟内有效，请注意查收');
code.sendfn();
}else if (data == 'fail'){
alert( '验证码30分钟内只能发送一次，请等候');
}
},
error: function () {
alert('网络异常，通信错误，请检查你的网络');
}
})*/
}
}
var obj = document.getElementById(code.btn);
//ajaxfn 用于ajax发送验证码 url 为ajax接口，data：{phone:tel}为向后台传送数据
obj.addEventListener("click",code.handler,false)
}
</script>
</html>
