wx_mini_app/components/editUserInfo/editUserPhone/editUserPhone.vue

<template>
<view class="pages">
    <div class="input-back">
        <u--input placeholder="手机号码" :customStyle="{height: '40px'}" border="surround" v-model="value" @change="change"></u--input>
        <u-input placeholder="后置插槽" :customStyle="{height: '40px'}">
            <template slot="suffix">
                <u-code ref="uCode" @change="codeChange" seconds="20" changeText="X秒重新获取"></u-code>
                <u-button @tap="getCode" :text="tips" type="primary" size=""></u-button>
            </template>
        </u-input>
    </div>
    <div class="save-btn">
        <u-button type="primary">保存</u-button>
    </div>
</view>
</template>

<script>
export default {
    data() {
        return {
            value: '',
            tips: '获取验证码'
        };
    },
    methods: {
        change() {
            console.log(this.value);
        },
        codeChange(text) {
            console.log('codeChange');
            this.tips = text
        },
        getCode() {
            if (this.$refs.uCode.canGetCode) {
                // 模拟向后端请求验证码
                uni.showLoading({
                    title: '正在获取验证码'
                })
                setTimeout(() => {
                    uni.hideLoading();
                    // 这里此提示会被this.start()方法中的提示覆盖
                    uni.$u.toast('验证码已发送');
                    // 通知验证码组件内部开始倒计时
                    this.$refs.uCode.start();
                }, 2000);
            } else {
                uni.$u.toast('倒计时结束后再发送');
            }
        },
    }
}
</script>

<style lang="scss">
.pages {
    background: #f5f5f5;
    width: 100vw;
    height: 100vh;
}

.input-back {
    width: 100%;
    // height: 100px;
    background: #fff;
}

.save-btn {
    text-align: center;
    // margin-top:20px;
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 30px;
    box-sizing: border-box;
}
</style>