修改密码UI界面开发

<template>
	<view class="body">
		<input type="text" class="uni-input common-input" password placeholder="输入旧密码" v-model="oldpassword">
		<input type="text" class="uni-input common-input" password placeholder="输入新密码" v-model="newpassword">
		<input type="text" class="uni-input common-input" password placeholder="确认新密码" v-model="renewpassword">
		<button class="user-set-btn " :loading="loading" :class="{'user-set-btn-disable':disabled}" type="primary" @tap="submit" :disabled="disabled">完成</button>
	</view>
</template>