<template>
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<view class="u-demo">
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<view class="u-demo-wrap">
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<view class="u-demo-title">演示效果</view>
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<view class="u-demo-area">
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<u-toast ref="uToast"></u-toast>
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<u-verification-code :keep-running="true" :seconds="seconds" @end="end" @start="start" ref="uCode"
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@change="codeChange" :startText="startText" :changeText="changeText"
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:endText="endText"></u-verification-code>
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<u-button @click="getCode">{{tips}}</u-button>
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<u-button :custom-style="{marginTop: '30rpx'}" @tap="reset" style="margin-top: 30rpx;">重置</u-button>
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</view>
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</view>
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<view class="u-config-wrap">
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<view class="u-config-title u-border-bottom">
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参数配置
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</view>
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<view class="u-config-item">
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<view class="u-item-title">倒计时间</view>
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<u-subsection :current="0" :list="['60s', '10s', '5s']" @change="secondsChange"></u-subsection>
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</view>
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<view class="u-config-item">
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<view class="u-item-title">自定义提示语</view>
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<u-subsection :current="1" :list="['是', '否']" @change="textChange"></u-subsection>
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</view>
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</view>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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tips: '',
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seconds: 60,
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refCode: null,
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startText: '获取验证码',
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changeText: 'X秒重新获取',
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endText: '重新获取'
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}
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},
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onReady() {
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// 注意这里为错误示例，目前微信小程序最新稳定版开发工具如此
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// 赋值会报错，很诡异，其他端无此问题
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// this.refCode = this.$refs.uCode;
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},
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methods: {
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codeChange(text) {
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// console.log(text);
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this.tips = text;
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},
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getCode() {
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if(this.$refs.uCode.canGetCode) {
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// 模拟向后端请求验证码
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uni.showLoading({
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title: '正在获取验证码'
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})
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setTimeout(() => {
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uni.hideLoading();
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// 这里此提示会被this.start()方法中的提示覆盖
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this.$u.toast('验证码已发送');
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// 通知验证码组件内部开始倒计时
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this.$refs.uCode.start();
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}, 2000);
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} else {
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this.$u.toast('倒计时结束后再发送');
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}
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},
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secondsChange(index) {
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this.seconds = index == 0 ? 60 : index == 1 ? 10 : 5;
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},
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textChange(index) {
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if(index == 0) {
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this.startText = '点一下获取',
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this.changeText = '重新获取Xs',
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this.endText = '再次获取'
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} else {
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this.startText = '获取验证码',
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this.changeText = 'X秒重新获取',
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this.endText = '重新获取'
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}
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},
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end() {
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this.$u.toast('倒计时结束');
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},
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start() {
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this.$u.toast('倒计时开始');
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},
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reset() {
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this.$refs.uCode.reset();
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}
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}
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}
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</script>
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<style lang="scss" scoped>
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.u-demo {}
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</style>
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