purchase/components/input/circularInput.vue

<template>
	<view>
		<u-input v-model="value" :border="border" class="circluar-border" :clearable="false"/>
	</view>
</template>

<script>
	export default {
		data () {
			return {
				value: '',
				border: true
			}
		}
	}
</script>

<style>
	.circluar-border {
		border-radius: 100px;
	}
</style>