input输入框的前缀和后缀

案例：前缀插槽

核心：

html 复制代码

<template #prefix>
  <user-outlined />
</template>

html 复制代码

<script setup>
import {ref, watch} from "vue";
import {UserOutlined} from "@ant-design/icons-vue";

const value = ref("")

watch(value, () => {
  console.log("value变化了：", value.value)
})

</script>
<template>
  <div class="p-8 bg-indigo-50 text-center">
    <a-input placeholder="基本用法" v-model:value="value" autofocus>
      <template #prefix>
        <UserOutlined/>
      </template>
    </a-input>
  </div>
</template>

案例：后缀插槽

核心：

html 复制代码

<template #suffix>
  <a-tooltip title="Extra information">
    <info-circle-outlined style="color: rgba(0, 0, 0, 0.45)" />
  </a-tooltip>
</template>

html 复制代码

<script setup>
import {ref, watch} from "vue";
import {UserOutlined, InfoCircleOutlined} from "@ant-design/icons-vue";

const value = ref("")

watch(value, () => {
  console.log("value变化了：", value.value)
})

</script>
<template>
  <div class="p-8 bg-indigo-50 text-center">
    <a-input placeholder="基本用法" v-model:value="value" autofocus>
      <template #suffix>
        <InfoCircleOutlined class="text-red-500"/>
      </template>
    </a-input>
  </div>
</template>

案例：前缀后缀属性

核心：

html 复制代码

prefix="￥" suffix="RMB"

html 复制代码

<script setup>
import {ref, watch} from "vue";
import {UserOutlined, InfoCircleOutlined} from "@ant-design/icons-vue";

const value = ref("")

watch(value, () => {
  console.log("value变化了：", value.value)
})

</script>
<template>
  <div class="p-8 bg-indigo-50 text-center">
    <a-input placeholder="基本用法"
             v-model:value="value"
             autofocus
             prefix="¥"
             suffix="RMB"
    />
  </div>
</template>