liveh5-nuxt/app/pages/collectCode/payment/index.vue

<script setup>
const payStatus=ref(0)
const changePayStatus=()=>{
  payStatus.value=payStatus.value===0?1:0
}
const validateInput = (e) => {
  const value = e.target.value
  const char = String.fromCharCode(e.charCode)

  if (!/[\d.]/.test(char)) {
    e.preventDefault()
    return
  }

  if (char === '.' && (value.includes('.') || !value)) {
    e.preventDefault()
    return
  }

  if (value.includes('.') && value.split('.')[1]?.length >= 2) {
    e.preventDefault()
    return
  }
}
</script>

<template>
  <div class="w-[100vw] h-screen-nav bg-[url('@/static/images/3532@2x.png')] bg-cover flex-grow-1 flex flex-col items-center pt-183px">
    <div class="mb-30px">
      <img class="w-126px h-126px" src="@/static/images/dddf34@2x.png" alt="">
    </div>
    <div class="text-#1A1A1A text-16px mb-25px font-bold">{{payStatus===0?'支付全部':'支付部分'}}</div>
    <div class="text-#999999 text-16px mb-24px font-bold" v-if="payStatus===0">RMB 5000</div>
    <div class="mb-12px">
      <input class="w-272px h-48px bg-#F3F3F3 px-11px text-16px" type="text" placeholder="最多RMB5,000" @keydown="validateInput">
    </div>
    <div class="text-#2B53AC text-14px" @click="changePayStatus">{{payStatus===1?'支付全部':'支付部分'}}</div>
</div>
</template>

<style scoped>

</style>