验证码倒计时

获取验证码倒计时

return{
	second：120
}

getCodeFn() {
			let flag = true;
			if (this.user.phone == '' || this.$http.isPhone(this.user.phone) == false) {
				this.$http.showTK({ title: '手机号为空或者验证错误', duration: 800 });
				return;
			} else {
				if (this.flag) {
					this.flag = false;
					let time = setInterval(() => {
						this.second--;
						if (this.second < 0) {
							this.second = '获取验证码';
							this.flag = true;
							this.second = 120;
							clearInterval(time);
							return;
						}
					}, 1000);
				}
			}
		},