vue3【组件封装】消息提示 Toast

src/components/Toast.vue

<template>
  <transition name="fade">
    <div class="fixed w-full h-full left-0 top-0 flex z-100 transition-all" v-if="show">
      <div
        :style="{ background: bgColor, color: textColor }"
        :class="['m-auto   px-4 py-2 rounded-2']"
      >
        {
   
   { text }}
      </div>
    </div>
  </transition>
</template>

<script setup lang="ts">
interface ToastType {
      
      
  type: string
  text: string
  time?: number
}

const props = defineProps<ToastType>()

const type = props.type
const bgColor = ref('#edf2fc')
const textColor = ref('#aca9b7')

if (type === 'success') {
      
      
  bgColor.value = '#f0f9eb'
  textColor.value = '#9bcb76'
} else if (type === 'error') {
      
      
  bgColor.value = '#fef0f0'
  textColor.value = '#f56c93'
} else if (type === 'warning') {
      
      
  bgColor.value = '#fdf6ec'
  textColor.value = '#e6a23c'
}

const show = defineModel({
      
       default: false })

watch(show, () => {
      
      
  if (show.value) {
      
      
    setTimeout(() => {
      
      
      show.value = false
    }, props.time || 2000)
  }
})
</script>

使用

  <button @click="show_msg = true">保存</button>

  <teleport to="body">
    <Toast v-model="show_msg" text="操作成功！" type="success"> </Toast>
  </teleport>

const show_msg = ref(false)