vue2.0倒計時demo

<template >
		<div class="register-mengceng">
			<div class="register-head">
				<span><</span>
				<h3>免費註冊</h3>
			</div>
			<form action="">
				<div class="register-tel">
					<input type="text" placeholder="請輸入您的手機號	" v-model="register_tel"/>
				</div>
				<div class="register-code">
					<input type="text" placeholder="請輸入驗證碼 " v-model="register_code"/>
					<button :disabled="disabled" type="button" id="myButton" data-loading-text="Loading..." class="btn btn-primary" v-on:click="metnod_code" :class="{disabled: !this.canClick}">
					  {{bntVal}}
					</button>
				</div>
				<div class="regster-agree">
					<input type="checkbox" />
					<span>我已閱讀《*****》相關事宜</span>
				</div>
				<button type="submit" id="subbnt" data-loading-text="Loading..." class=" btn1 btn btn-primary" autocomplete="off">
				  註冊
				</button>
			</form>
			<div class="register-chat">
				<span class="register-line"></span><span class="register-font">第三方註冊登入</span><span class="register-line"></span>
				<img src="../../assets/img/logo.png" alt="" />
			</div>
		</div>
	
</template>

<script>
	
	export default {
		name: 'Register',
		data() {
			return {
				register_tel:"",
				register_code:"",
				bntVal:"獲取驗證碼",//按鈕內容
				totalTime:60,//倒計時時間
				canClick:true,//預設可點選樣式
				disabled:false,//預設可點選
			}
		},
		methods:{
			metnod_code: function(){
				this.canClick=false;//不可點選的樣式
				this.disabled=true;//新增不可點選的屬性
				this.bntVal = this.totalTime + 's後重發' //這裡解決60秒不見了的問題
				let clock = window.setInterval(() => {//使用=>可以直接使用this
				  this.totalTime--;//setInterval超時呼叫；
				  this.bntVal = this.totalTime + 's後重發'
				  if (this.totalTime < 0) {     //當倒計時小於0時清除定時器
				  	this.canClick=true;//恢復點選樣式
					this.disabled=false;//恢復點選
				    window.clearInterval(clock)
				    this.bntVal = '獲取驗證碼'
				    this.totalTime = 60
				    }
				},1000)
			}
		}
		
		
	}
</script>

<style>
	.register-head{
		height: 80px;
		width: 100%;
		border-bottom: 5px solid #E6E6E6;
		margin-bottom: 5%;
	}
	.register-head h3{
		display: inline-block;
		text-align: center;
		line-height: 80px;
		margin-top: auto;
		letter-spacing: 8px;
	
	}
	.register-head span{
		display: inline-block;
		float: left;
		line-height: 80px;
		font-size: 32px;
		margin-left: 28px;
		color: forestgreen;
	}
	form{
		width: 80%;
		margin: auto;
		position: relative;
		
	}
	form .register-code input,form .register-tel input{
		width: 100%;
		line-height: 2.5;
		border: none;
		border-bottom: 1px solid #E6E6E6;
		outline: none;
	}
	form .register-tel{
		margin-bottom: 30px;
	}
	form .register-code {
		position: relative;
	}
	form #myButton{
		position: absolute;
		width: 25%;
		right: 0;
		outline: none;
		top: -10px;
	}
	form .regster-agree{
		position: absolute;
		left: 0;
		margin: 15px 0;
	}
	form #subbnt{
		width: 60%;
		margin: auto;
		margin-top: 60px;
	}
	.register-chat{
		margin-top: 60px;
	}
	.register-chat .register-font{
		display: inline-block;
		margin: 0 15px;
	}
	.register-chat .register-line{
		width: 30%;
		border: 1px solid #E6E6E6;
		display: inline-block;
	}
	.register-chat img{
		display: block;
		margin: 15px auto ;
	}
	.btn1 {
		background-color: #E6E6E6;
		border: none;
		color: black;
	}
	.disabled{
		 background-color: #ddd;
		 border-color: #ddd;
		 color:#57a3f3;
		 cursor: not-allowed; 
		 disabled:disabled;	
		}
	/*媒體查詢，參考部分Bootstrap 框架*/
/*在768 和991 畫素之間的螢幕裡，小螢幕，主要是PAD*/
@media (min-width: 768px) and (max-width: 991px) {
	
	
}
/*在480 和767 畫素之間的螢幕裡，超小螢幕，主要是手機*/
@media (min-width: 480px) and (max-width: 767px) {
	.register-head h3{font-size: 22px;}

}
/*在小於480 畫素的螢幕，微小螢幕，更低解析度的手機*/
@media (max-width: 479px) {
	.register-head{height: 60px;}
	.register-head h3{line-height: 60px;}
	.register-head span{line-height: 60px;}
	.register-head h3{font-size: 16px;}
	form .register-tel,.register-code{font-size: 12px;}
	form .btn{font-size: 9px;}
	form #myButton{width: 31%;}
}
</style>